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SIOS DataKeeper Cluster Edition Introduction

DataKeeper Cluster Edition Technical Documentation » SIOS DataKeeper Cluster Edition Introduction

SIOS DataKeeper Overview DataKeeper with High Availability – Cluster Edition Overview SIOS DataKeeper is a highly optimized host-based replication solution which ensures your data is replicated as quickly and as efficiently as possible from your source server…

SIOS DataKeeper for Windows

SIOS DataKeeper for Windows

Your information resource for SIOS DataKeeper Standard Edition SIOS Technology Corp. maintains documentation for all supported versions of SIOS DataKeeper Standard Edition. We welcome your suggestions and feedback. To help us continue to improve our documentation,…

Setting Up SIOS DataKeeper

SIOS DataKeeper for Windows Technical Documentation » User Guide » Setup » Setting Up SIOS DataKeeper

Setting Up SIOS DataKeeper Follow these steps to start using SIOS DataKeeper: Connect to the servers you wish to configure for replication. You can select Connect to Server from the Action pull down menu, right-click on the job folder in the left panel tree…

Setting Up SIOS DataKeeper

SIOS Protection Suite for Windows » DataKeeper » Setting Up SIOS DataKeeper

Follow these steps to start using SIOS DataKeeper: Connect to the servers you wish to configure for replication. You can select Connect to Server from the Action pull down menu, right-click on the job folder in the left panel tree display and select Connect to…

SIOS DataKeeper Intent Log

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » SIOS DataKeeper Intent Log

SIOS DataKeeper uses an intent log (also referred to as a bitmap file) to track changes made to the source, or to target volume during times that the target is unlocked. This log is a persistent record of write requests which have not yet been committed to both…

Uninstalling SIOS DataKeeper Cluster Edition

DataKeeper Cluster Edition Installation Guide » Uninstalling SIOS DataKeeper Cluster Edition

Before Removing DataKeeper If planning to uninstall DataKeeper and reinstall a previous version, all jobs/mirrors must be deleted on each node prior to uninstalling. These will need to be recreated once software is reinstalled. Uninstall DataKeeper Cluster…

Using DKPwrShell with SIOS DataKeeper

SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper

SIOS DataKeeper includes a powershell module (DKPwrShell) that allows a user to manipulate a DataKeeper mirror using Microsoft Powershell. Commands are passed to a SIOS DataKeeper service and will fail if the service is not running. With Microsoft Powershell v3 or…

Using EMCMD with SIOS DataKeeper

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper

The EMCMD utility that ships with SIOS DataKeeper provides users with a command line method to manipulate the mirror. Because these scripts run in situations where the “normal” validation rules may not apply, EMCMD does not perform the same kinds of sanity…

Upgrading SIOS DataKeeper Cluster Edition

DataKeeper Cluster Edition Installation Guide » Upgrading SIOS DataKeeper Cluster Edition

Upgrading DataKeeper Cluster Edition from previous versions of DataKeeper Cluster Edition is very straightforward. Simply run the installation process outlined below on all systems. The upgrade process stops the DataKeeper Service, copies the new files to the…

SIOS DataKeeper for Windows Technical Documentation

SIOS DataKeeper for Windows Technical Documentation

SIOS DataKeeper for Windows Quick Start Guide

SIOS DataKeeper for Windows Quick Start Guide

This topic provides step-by-step instructions for installing and configuring DataKeeper Standard Edition. The series of steps includes links into the documentation that describe each step in detail. Prerequisites and Installation Read the SIOS Protection Suite for…

SIOS Protection Suite Oracle Recovery Kit Introduction

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction

LifeKeeper Oracle The LifeKeeper Oracle Recovery Kit provides a way to recover an Oracle database instance (version 10g, 11g or 12c) from a failed server to a backup server. You can also extend the protection of the database instance to other servers. Using the…

SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction

The SIOS Protection Suite PostgreSQL Server Recovery Kit software lets you tie the data integrity of PostgreSQL-based databases to the increased availability provided by SIOS Protection Suite for Windows. The LifeKeeper GUI allows you to easily create a PostgreSQL…

SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction

The SIOS Protection Suite Microsoft SQL Server Recovery Kit software lets you tie the data integrity of Microsoft SQL-based databases to the increased availability provided by SIOS Protection Suite for Windows. The LifeKeeper GUI allows you to easily create a SQL…

DataKeeper Cluster Edition Quick Start Guide

DataKeeper Cluster Edition Quick Start Guide

This topic provides step-by-step instructions for installing and configuring DataKeeper Cluster Edition. The series of steps includes links into the documentation that describe each step in detail. Prerequisites and Installation Read the DataKeeper Cluster Edition…

SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction

The SIOS Protection Suite Microsoft IIS Recovery Kit extends your SIOS Protection Suite product by adding specific protection to Internet servers. The SIOS Protection Suite Microsoft IIS Recovery Kit continuously monitors the health of your Internet servers, and if a…

Using SIOS DataKeeper Standard Edition To Provide Disaster Recovery For Hyper-V Virtual Machines

SIOS DataKeeper for Windows Technical Documentation » User Guide » Using SIOS DataKeeper Standard Edition To Provide Disaster Recovery For Hyper-V Virtual Machines

Considerations When preparing a Hyper-V environment that spans subnets, subnetting may need to be taken into consideration for any applications that are running inside the virtual machine. Some applications “hard code” IP addresses into their…

Introduction

SIOS DataKeeper for Windows Technical Documentation » Introduction

SIOS DataKeeper Overview SIOS DataKeeper is a highly optimized host-based replication solution which ensures your data is replicated as quickly and as efficiently as possible from your source server across the network to one or more target servers. Features Some…

DataKeeper Components

SIOS DataKeeper for Windows Technical Documentation » Introduction » DataKeeper Components

SIOS DataKeeper for Windows is comprised of the following components: DataKeeper Driver (ExtMirr.sys) – The DataKeeper Driver is a kernel mode driver and is responsible for all mirroring activity between the mirror endpoints. DataKeeper Service…

SIOS Protection Suite Configurations

SIOS Protection Suite for Windows » Configuration » SIOS Protection Suite Configurations

SIOS Protection Suite works on the basis of resource hierarchies you define for groups of two or more servers. The following three topics introduce the SIOS Protection Suite failover configuration concepts. Common Hardware Components System Grouping…

DataKeeper User Guide

SIOS Protection Suite for Windows » DataKeeper » DataKeeper User Guide

The topics in this section are designed to be a reference for you as you get started using SIOS DataKeeper, helping you identify the type of configuration you are interested in implementing and providing detailed instructions for effectively using your SIOS DataKeeper…

DataKeeper Target Snapshot

SIOS DataKeeper for Windows Technical Documentation » User Guide » DataKeeper Target Snapshot

Overview DataKeeper’s target snapshot feature, integrated with both DataKeeper and DataKeeper Cluster Edition, is the process of creating point in time copies of replicated volumes allowing access to data on a standby cluster node without interrupting data…

DataKeeper Event Log Notification

SIOS DataKeeper for Windows Technical Documentation » Administration » DataKeeper Event Log Notification

The Event Log notification is a mechanism by which one or more users may receive email notices when certain events occur. The Windows Event Log can be set up to provide notifications of certain DataKeeper events that get logged. *Note: This option is only available…

DataKeeper Notification Icon

SIOS DataKeeper for Windows Technical Documentation » User Guide » DataKeeper Notification Icon

The DataKeeper Notification Icon is an application that will show a summary of your DataKeeper mirrors in the Windows Notification Tray. The icon displayed indicates what conditions have been detected, with the following priority. Error: An error condition, such as…

DataKeeper Volume Resize Restriction

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions » DataKeeper Volume Resize Restriction

The DataKeeper volume resize procedure should be performed on only one volume at a time.

DataKeeper Volume Resize

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » DataKeeper Volume Resize

DataKeeper allows users to extend and shrink their DataKeeper volumes dynamically while retaining mirror settings. Once the resize is complete, a partial resync will be performed. Note: This resize procedure should be performed on only one volume at a time. !WARNING …

SIOS Protection Suite Configuration Steps

SIOS Protection Suite for Windows » Configuration » SIOS Protection Suite Configuration Steps

Follow the steps below which contain links to topics with additional details. Perform these tasks on each server in the cluster. Ensure that the LifeKeeper services are running by checking the Services in the Administrative Tools on the Control Panel. You should see…

DataKeeper Cluster Edition Release Notes

DataKeeper Cluster Edition Release Notes

SIOS DataKeeper Cluster Edition Release Notes Version 8.6.2 (Version 8 Update 6 Maintenance 2) Important!! Read This Document Before Attempting To Install Or Use This Product! This document contains last minute information that must be considered before, during…

Bitlocker Does Not Support DataKeeper

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions » Bitlocker Does Not Support DataKeeper

According to Microsoft, Bitlocker is not supported to work with Software RAID configurations. Since DataKeeper is essentially a software RAID 1, Microsoft does not support Bitlocker working with DataKeeper. Note: EFS (Encrypting File System) and TDE (Transparent Disk…

DataKeeper Cluster Edition Installation Guide

DataKeeper Cluster Edition Installation Guide

The DataKeeper Cluster Edition Installation Guide contains information on how to install and license your Cluster Edition software. Once you have completed the steps in this guide, you will be ready to configure your Cluster resources. The DataKeeper Cluster Edition…

DataKeeper Volume Resource Health Check

SIOS Protection Suite for Windows » Clustering » DataKeeper Volume Resource Health Check

A DataKeeper Volume resource provides two functions that are used by the Microsoft Cluster service to check for availability and health of the DataKeeper Volume resource. A simple check LooksAlive and a more rigorous check IsAlive. LooksAlive The Cluster service…

DataKeeper Volume Resource Private Properties

SIOS Protection Suite for Windows » Clustering » DataKeeper Volume Resource Private Properties

A DataKeeper Volume resource includes several private properties that are used by DataKeeper Cluster Edition. Among these properties are: VolumeLetter (REG_SZ) – the volume letter that is replicated by DataKeeper and associated with this DataKeeper Volume…

DataKeeper Cluster Edition Technical Documentation

DataKeeper Cluster Edition Technical Documentation

SIOS Protection Suite for Windows Support Matrix

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows Support Matrix

Server Components Supported Operating System v8.0.0 v8.0.1 v8.1.0 v8.2.0 v8.2.1 v8.3.0 v8.4.0 v8.5.0 v8.6.0 v8.6.1 Note: For all versions Microsoft .NET Framework 3.5 is required…

Running the SIOS Protection Suite Web Client

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Running the SIOS Protection Suite Web Client

If you wish to administer SIOS Protection Suite from a system outside your cluster, you must use the web client. This is possible for remote systems running any operating system. SIOS Protection Suite for Windows cannot manage both Linux and Windows servers in a single…

Maintaining a SIOS Protection Suite Protected System

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Maintaining a SIOS Protection Suite Protected System

When performing shutdown and maintenance on a SIOS Protection Suite-protected server, you must put that system’s resource hierarchies in-service on the backup server before performing maintenance. This process stops all activity for shared disks on the system needing…

Creating a DataKeeper Volume Resource in WSFC

SIOS Protection Suite for Windows » Clustering » Creating a DataKeeper Volume Resource in WSFC

Automatic Creation of a Mirror in WSFC Use the SIOS DataKeeper GUI to configure a mirror. At the completion of the mirror creation operation, the following dialog box will pop up which will allow you to automatically add the mirror as a DataKeeper volume…

Deploying DataKeeper Cluster Edition in Azure

Deploying DataKeeper Cluster Edition in Azure

DEPLOYING MICROSOFT SQL SERVER 2014 FAILOVER CLUSTERS IN AZURE RESOURCE MANAGER (ARM) Before beginning, make sure you read the DataKeeper Cluster Edition Release Notes for the latest information. It is highly recommended that you read and understand the DataKeeper…

Running the GUI Application on a SIOS Protection Suite Server

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Running the GUI Application on a SIOS Protection Suite Server

You can also run the LifeKeeper GUI as an application on a SIOS Protection Suite server. By doing so, you are, in effect, running the GUI client and server on the same system. Only users with administrator privileges on the SIOS Protection Suite server are allowed to…

SIOS Protection Suite Web Client May Lock Up

SIOS Protection Suite for Windows » Troubleshooting » SIOS Protection Suite Web Client May Lock Up

Symptom The SIOS Protection Suite web client may lock up when used from a server machine if the “-” (reduce resource height) or “+” (increase resource height) accelerator keys are hit during the initial paint of SIOS Protection Suite resources…

Start and Stop SQL Server Only Through SIOS Protection Suite

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Start and Stop SQL Server Only Through SIOS Protection Suite

Although much of your administration of the Microsoft SQL Server is done through the Microsoft SQL Enterprise Manager, you derive two distinct benefits from bringing the Microsoft SQL Server in service and out of service using the SIOS Protection Suite administration…

Installing and Configuring SQL Server with SIOS Protection Suite

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Installing and Configuring SQL Server with SIOS Protection Suite

Proper operation of the SIOS Protection Suite Microsoft SQL Server Recovery Kit depends upon correct setup of the hardware and software. This section provides general guidelines, configuration details and troubleshooting hints to help you administer Microsoft SQL…

Install and Configure SIOS Protection Suite and Recovery Kits

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Install and Configure SIOS Protection Suite and Recovery Kits

The next step is to install the SIOS Protection Suite Core, which includes the IP Recovery Kit and Microsoft IIS Recovery Kit, on all servers. See the SIOS Protection Suite Installation topics for details on installing SIOS Protection Suite. You must have the same…

Start and Stop PostgreSQL Server Only Through SIOS Protection Suite

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » Start and Stop PostgreSQL Server Only Through SIOS Protection Suite

Although most of the administrative tasks for the PostgreSQL Server are done through the PostgreSQL tools, starting and stopping of the PostgreSQL Server should not be one of them: Consistent state – When SIOS Protection Suite stops and starts the PostgreSQL…

DataKeeper Service Log On ID and Password Selection

SIOS DataKeeper for Windows Technical Documentation » Introduction » DataKeeper Components » DataKeeper Service Log On ID and Password Selection

During a new DataKeeper installation setup, the user will be prompted for a DataKeeper Service Log On ID and Password. The DataKeeper Service uses authenticated connections to perform volume switchovers and make mirror role changes across multiple servers. The Log On…

DataKeeper Volume Not Available as Cluster Resource Type

DataKeeper Volume Not Available as Cluster Resource Type

WSFC Server – The DataKeeper Volume is Not Available as a Cluster Resource Type After DataKeeper is Installed in a Microsoft WSFC Environment Error/Message The DataKeeper Volume is not available as a cluster resource type after DataKeeper is installed in a…

DataKeeper Service Log On ID and Password Selection

SIOS DataKeeper for Windows Technical Documentation » Configuration » DataKeeper Service Log On ID and Password Selection

During a new DataKeeper installation setup, the user will be prompted for a DataKeeper Service Log On ID and Password. The DataKeeper Service uses authenticated connections to perform volume switchovers and make mirror role changes across multiple servers. The Log On…

WSFC 2012 Server Manager — DataKeeper “Disk” Not Shown as Clustered

WSFC 2012 Server Manager -- DataKeeper “Disk” Not Shown as Clustered

There are some inconsistencies in how cluster disks are shown in the “Disks” display under Server Manager > File and Storage Services > Volumes > Disks. The following screen shot shows an iSCSI Shared Disk and two DataKeeper Volumes in a cluster. There is…

Using Microsoft iSCSI Target With DataKeeper on Windows 2012

SIOS DataKeeper for Windows Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012

The following topics will guide you in setting up Microsoft iSCSI Target with DataKeeper via the user interface. *NOTE: This configuration is not supported in a VMware ESX environment. …

Recovering From a SIOS Protection Suite Server Failure in a 1 × 1 Configuration

SIOS Protection Suite for Windows » Troubleshooting » Recovering From a SIOS Protection Suite Server Failure in a 1 × 1 Configuration

If a server in your SIOS Protection Suite cluster experiences a failure that causes re-installation of the operating system (and thus SIOS Protection Suite), you will have to re-extend the resource hierarchies from each server in the cluster. If a server in the cluster…

Error When Attempting to Run SIOS Protection Suite Command From Command Prompt

SIOS Protection Suite for Windows » Troubleshooting » Error When Attempting to Run SIOS Protection Suite Command From Command Prompt

Symptom When attempting to run a SIOS Protection Suite command from a command prompt, you receive the following error: [File:lock.CLine:1610] Win32 Error: 2 CRITICAL (No. 472) Can’t run this application without LCD Daemon running. Solution SIOS Protection Suite…

Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters

SIOS Protection Suite for Windows » Clustering » Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters

Prerequisite Familiarity with Microsoft Windows Server, Microsoft Windows Failover Cluster Server Management and Hyper-V Virtual Management procedures and commands is highly recommended. Note: DataKeeper ClusterCluster Edition does not support Cluster Shared Volumes;…

SIOS Protection Suite Web Client May Lock Up – Multiple Changes Made to Existing Hierarchy

SIOS Protection Suite for Windows » Troubleshooting » SIOS Protection Suite Web Client May Lock Up – Multiple Changes Made to Existing Hierarchy

Symptom The SIOS Protection Suite web client may lock up when used from the server machine if multiple changes are made to an existing hierarchy (i.e. create/delete dependencies), closing and reopening the SIOS Protection Suite client between changes. Solution To…

Installing and Using DataKeeper Cluster Edition on Windows Server 2008 R2 / 2012 Core Platforms

SIOS Protection Suite for Windows » Clustering » Installing and Using DataKeeper Cluster Edition on Windows Server 2008 R2 / 2012 Core Platforms

Prepare the servers. Install Windows Server 2008 R2/2012 Core on two servers, configure IP, join a domain, configure firewall for remote administration, configure the server for remote access and install the Failover Cluster feature. Server Core Installation…

Extending a Clustered DataKeeper Volume to a Node Outside the Cluster

SIOS Protection Suite for Windows » Clustering » Extending a Clustered DataKeeper Volume to a Node Outside the Cluster

DataKeeper Volume cluster resources can be extended to a DR Node for Disaster Recovery purposes. In the event of a complete failure of all systems in the cluster, data will be accessible on the DR Node (referred to as the “DR Node”). Here you will find instructions…

DataKeeper Volume cannot come Online after Network failure with clustered IP Address on Replication network

DataKeeper Volume cannot come Online after Network failure with clustered IP Address on Replication network

If you have multiple cluster networks, IP Addresses shouldn’t be set up on the same network that DataKeeper Volume resources are using for replication. Network errors may cause the DataKeeper mirror to go into a Paused state. If the network error also causes the…

Extending a Traditional 2-Node WSFC SQL Server Cluster to a Third Node via DataKeeper

SIOS Protection Suite for Windows » Clustering » Extending a Traditional 2-Node WSFC SQL Server Cluster to a Third Node via DataKeeper

When replicating from a WSFC SQL Server 2-node cluster to a third node via DataKeeper, the following tasks are required: Replace the existing WSFC physical disk resource with a DataKeeper volume resource that supports data replication. Change the quorum type to…

Extending a Traditional 2-Node WSFC Cluster to a Third Node via DataKeeper

SIOS Protection Suite for Windows » Clustering » Extending a Traditional 2-Node WSFC Cluster to a Third Node via DataKeeper

When replicating from a WSFC 2-node cluster to a third node via DataKeeper, the following tasks are required: Replace the existing WSFC physical disk resource with a DataKeeper volume resource that supports data replication. Change the quorum type to Node…

Windows Server 2012 — Simultaneous Move of Multiple Clustered File Server Roles Can Result in DataKeeper Switchover Failures

Windows Server 2012 -- Simultaneous Move of Multiple Clustered File Server Roles Can Result in DataKeeper Switchover Failures

Description If more than one File Server role is created in Failover Clustering, each of which is using one or more DataKeeper Volume resources for storage, errors can occur if two or more roles are manually moved from one node to another simultaneously. In some…

Data Transfer Network Protocols

SIOS DataKeeper for Windows Technical Documentation » FAQs » Data Transfer Network Protocols

Question What are the network protocols used for SIOS DataKeeper Data Transfer? Answer SIOS DataKeeper uses named pipe communication and TCP Sockets.

Awareness of Windows Filenames and Directory Names

SIOS DataKeeper for Windows Technical Documentation » FAQs » Awareness of Windows Filenames and Directory Names

Question Is SIOS DataKeeper aware of Windows filenames and directory names? Answer SIOS DataKeeper is implemented with a Windows kernel mode filter driver that sits above the physical disk driver but below the file system. As a result, the SIOS DataKeeper driver…

Administration

SIOS DataKeeper for Windows Technical Documentation » Administration

The topics in this section provide detailed instructions for performing DataKeeper administration tasks. _____________________________________________________________________________________________________________________________________________________ DataKeeper…

User Guide

SIOS DataKeeper for Windows Technical Documentation » User Guide

The topics in this section are designed to be a reference for you as you get started using SIOS DataKeeper, helping you identify the type of configuration you are interested in implementing and providing detailed instructions for effectively using your SIOS DataKeeper…

System Event Log – Create Mirror Failed in the GUI

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » System Event Log – Create Mirror Failed in the GUI

Error/Message Create Mirror Failed in the GUI. Description This can result if a vmms.exe program is holding on to volume and preventing SIOS DataKeeper from locking it.

Components

DataKeeper Cluster Edition Technical Documentation » SIOS DataKeeper Cluster Edition Introduction » Components

DataKeeper Components SIOS DataKeeper for Windows is comprised of the following components: DataKeeper Driver (ExtMirr.sys) – The DataKeeper Driver is a kernel mode driver and is responsible for all mirroring activity between the mirror…

Access to Designated Volume Denied

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Access to Designated Volume Denied

If access to the designated volume is denied, then check whether you are attempting to create the mirror while other applications are accessing the volume. During Mirror Creation, the volumes must be locked on the target system for exclusive access by the SIOS…

User Interface – Shows Only One Side of the Mirror

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » User Interface – Shows Only One Side of the Mirror

If the SIOS DataKeeper UI shows a volume as a source and its corresponding target as available or a volume as a target with the corresponding source volume as available, you can use the command line utility to force an update to the SIOS DataKeeper GUI or delete the…

Delete and Switchover Actions Grayed Out

SIOS DataKeeper for Windows Technical Documentation » FAQs » Delete and Switchover Actions Grayed Out

Question Why are the Delete and Switchover actions grayed out on the DataKeeper User Interface? Answer If the volume is under clustering protection (Microsoft clustering or SIOS LifeKeeper clustering), these actions are disabled.

Reclaim Full Capacity of Target Drive

SIOS DataKeeper for Windows Technical Documentation » FAQs » Reclaim Full Capacity of Target Drive

Question How do I reclaim the full capacity of my target drive when I no longer need it for mirroring? Answer The file system on the target drive is overlaid by SIOS DataKeeper, thereby making it smaller than the actual partition size. Although Disk Management…

Installing and Configuring IIS with LifeKeeper

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Installing and Configuring IIS with LifeKeeper

Before proceeding, you should have already configured your storage and networking according to the recommendations in the previous chapters of this guide. Installation Checklist The installation and setup sequence should be performed in the following order (more…

Unable to Determine Previous Install Path

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Unable to Determine Previous Install Path

Installation – Fatal Error: Unable to Determine Previous Install Path Error/Message Fatal Error: Unable to determine previous install path. DataKeeper cannot be uninstalled or reinstalled. Description When performing a “Repair” or…

Using Disk Management

SIOS DataKeeper for Windows Technical Documentation » Administration » Using Disk Management

When using the Windows Disk Management utility to access SIOS DataKeeper volumes, please note the following: Using Disk Management to delete partitions that are being mirrored is not supported. Deleting a partition that is part of a SIOS DataKeeper mirror will yield…

Setup

SIOS DataKeeper for Windows Technical Documentation » User Guide » Setup

Setting Up SIOS DataKeeper Follow these steps to start using SIOS DataKeeper: Connect to the servers you wish to configure for replication. You can select Connect to Server from the Action pull down menu, right-click on the job folder in the left panel tree…

Performance Tuning

SIOS DataKeeper for Windows Technical Documentation » Configuration » Performance Tuning

Please refer to the following topics for ways to improve SIOS DataKeeper performance. SIOS DataKeeper Intent Log – SIOS DataKeeper uses an intent log (also referred to as a bitmap file) to track changes made to the source, or to the target volume when the target…

Recovery Kit Requirements

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Recovery Kit Requirements

Before installing and configuring the LifeKeeper Oracle Recovery Kit, be sure that your configuration meets the following requirements: Operating System software. LifeKeeper supports the following versions of Windows operating systems: Windows Server 2008 R2 and…

GETSERVICEINFO

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » GETSERVICEINFO

EMCMD GETSERVICEINFO This command retrieves version and other information about the SIOS DataKeeper service and driver that is running on the specified machine. The parameters are: This can be either the source or the target systems. Sample…

Event Log Considerations

SIOS DataKeeper for Windows Technical Documentation » Administration » Event Log Considerations

It is important that SIOS DataKeeper be able to write to the Event Log. You should ensure that the Event Log does not become full. One way to accomplish this is to set the Event Log to overwrite events as needed: Open the Event Log. Right-click on System Log…

Volumes Unavailable for Mirroring

SIOS DataKeeper for Windows Technical Documentation » FAQs » Volumes Unavailable for Mirroring

Question Why are some of my volumes not available for mirroring? Answer The SIOS DataKeeper service filters out the following types of disk partitions: Windows system volume Volume(s) that contain the Windows pagefile Non-NTFS formatted volumes (e.g. FAT,…

Additional Setup Tasks for Extended Configurations

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Additional Setup Tasks for Extended Configurations

If your configuration uses a shared storage device or you are using SIOS DataKeeper, you may choose a configuration that will be extended to a third (or more) server(s). Configure two systems following the steps given in Installing and Configuring SQL Server with…

Uninstalling SPS for Windows

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Uninstalling SPS for Windows

Before Removing LifeKeeper Included below are the requirements for removing LifeKeeper software. Move or stop applications. Before removing the software, verify that applications requiring SIOS Protection Suite protection are not on the server. Never remove…

Recovery Kit Requirements

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » Recovery Kit Requirements

Before installing and configuring the SIOS Protection Suite Microsoft SQL Server Recovery Kit, be sure that your configuration meets the following requirements: SIOS Protection Suite supports the versions of Windows operating systems listed in the Operating System…

Jobs

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Jobs

For ease of use and configuration, SIOS DataKeeper does much of its management of mirrors through an entity called a job. A job is a logical grouping of related mirrors and servers. This feature allows you to create a job for complex repetitive tasks and run them…

UPDATEVOLUMEINFO

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » UPDATEVOLUMEINFO

EMCMD UPDATEVOLUMEINFO This command causes the SIOS DataKeeper service to query the driver for the correct mirror state. This command is useful if the DataKeeper GUI displays information that appears to be incorrect or not up-to-date. Note: The SIOS DataKeeper…

Volume Shadow Copy (VSS)

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Operator Tasks » Volume Shadow Copy (VSS)

Using Volume Shadow Copy (VSS) with DataKeeper/SIOS Protection Suite Volumes On Windows 2008 R2, VSS Shadow Copy can be enabled for SIOS Protection Suite-protected (shared or replicated) volumes. However, the following guidelines apply: VSS snapshot images must not…

DKSUPPORT

SIOS DataKeeper for Windows Technical Documentation » Administration » DKSUPPORT

DKSUPPORT .cmd, found in the \SUPPORT directory, is used to collect important configuration information and event log files and put them in a zip file. SIOS Support Engineers will commonly request this zip file as part of the support process. To run this utility,…

Specifying Network Cards for Mirroring

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Specifying Network Cards for Mirroring

SIOS DataKeeper allows the administrator to specify which IP addresses should be used as mirror end-points. This allows the replicated data to be transmitted across a specific network which permits the user to segment mirrored traffic away from the client network if…

MaxResyncPasses Value

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » MaxResyncPasses Value

If, during a volume resynchronization, the number of passes made through the intent log exceeds the MaxResyncPasses registry value (200 by default), SIOS DataKeeper logs a message to the Event Log indicating that the resync process is taking too many passes and…

Hardware and Software Requirements

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Hardware and Software Requirements

Before attempting to install or remove the SIOS Protection Suite Microsoft IIS Recovery Kit, be sure that your configuration meets the following requirements: Operating System software. SIOS Protection Suite supports the following versions of Windows operating…

GETVOLUMEDRVSTATE

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » GETVOLUMEDRVSTATE

EMCMD GETVOLUMEDRVSTATE This command retrieves the current state of the SIOS DataKeeper device driver. The parameters are: This can be either the source or the target systems. The drive letter of the volume you want to get the…

Understanding Replication

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication

How SIOS DataKeeper Works At the highest level, DataKeeper provides the ability to mirror a volume on one system (source) to a different volume on another system (target) across any network. When the mirror is created, all data on the source volume is initially…

Silent Installation

DataKeeper Cluster Edition Installation Guide » Installation » Silent Installation

Silent Installation of DataKeeper Cluster Edition You can install DataKeeper Cluster Edition for Windows silently through the use of the -silent command line option. This option suppresses both the wizard and launcher user interfaces (UIs) resulting in what is…

What is Split-Brain

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication » What is Split-Brain

When all of SIOS Protection Suite’s comm paths are disconnected and if Automatic Node Failover is enabled, each side of SIOS Protection Suite assumes that the other side is dead and attempts to bring all the resources in service. In the case of a SIOS DataKeeper…

AWS Issues and Workarounds

SIOS DataKeeper for Windows Technical Documentation » FAQs » AWS Issues and Workarounds

Question What is the best practice for shutting down clustered VMs in AWS? Answer If shutting down the primary source node, all cluster roles depending on a SIOS DataKeeper Volume Resource should be placed in the Offline state. Also make sure all mirrors are in the…

Extensive Write Considerations

SIOS DataKeeper for Windows Technical Documentation » Administration » Extensive Write Considerations

SIOS DataKeeper allows a volume that is being resynced to be accessed and written to. During Resync, DataKeeper makes multiple passes through the bitmap, synchronizing the data corresponding to each dirty bit found. While this is happening, writes that occur on the…

Volume Considerations

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Volume Considerations

SIOS DataKeeper primary and secondary systems have three types of volumes: system, non-mirrored and mirrored. During mirroring operations, system and non-mirrored volumes are not affected and the user has full access to all applications and data on these…

CHKDSK Considerations

SIOS DataKeeper for Windows Technical Documentation » Administration » CHKDSK Considerations

If you must run CHKDSK on a volume that is being mirrored by SIOS DataKeeper, it is recommended that you first pause the mirror. After running CHKDSK, continue the mirror. A partial resync occurs (updating those writes generated by the CHKDSK) and mirroring will…

DKHEALTHCHECK

SIOS DataKeeper for Windows Technical Documentation » Administration » DKHEALTHCHECK

DKHealthCheck.exe, found in the \DKTools directory, is a tool that can provide basic mirror status and problem detection of mirror issues. SIOS Support may request that you run this tool as part of the Support process. Note: DKHEALTHCHECK output is captured by…

Using DKCE to Enable Multi-Site File Share Resources with Windows Server 2008R2 WSFC

SIOS Protection Suite for Windows » Clustering » Using DKCE to Enable Multi-Site File Share Resources with Windows Server 2008R2 WSFC

Use the following procedure to protect File Share resources using SIOS DataKeeper and Microsoft Failover Cluster (WSFC). *IMPORTANT NOTE: DataKeeper Cluster Edition registration with Failover Cluster is automatic and occurs 60 seconds after detecting a Failover…

Installation – Replicated Storage Systems

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Installation – Replicated Storage Systems

On the Primary Server Use the Windows Disk Management tool to configure your disk resources and define the replicated volumes that you want to use. (Be sure the volume size is adequate.) It is recommended that you use Windows Explorer to unshare from the network…

Intensive I-O with Synchronous Replication

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions » Intensive I-O with Synchronous Replication

Description Due to the nature of synchronous replication (blocking volume writes while waiting for a response from the target system), you may experience sluggish behavior with any applications that are writing to the mirrored volume. The frequency of these events…

CLEARSWITCHOVER

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » CLEARSWITCHOVER

EMCMD CLEARSWITCHOVER This command should be run on a target system where a mirror has been previously deleted with the DELETELOCALMIRRORONLY command and now needs to be re-established. This command clears the SIOS DataKeeper switchover flag that is set for a volume…

ISBREAKUSERREQUESTED

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » ISBREAKUSERREQUESTED

EMCMD ISBREAKUSERREQUESTED This command checks whether a broken mirror is a result of a user request. The parameters are: This can be either the source or the target system. The drive letter of the volume that you want to check.…

Primary Server Shutdown

SIOS DataKeeper for Windows Technical Documentation » Administration » Primary Server Shutdown

On a graceful shutdown of the source server, all pending writes to the target are completed. This ensures that all data is present on the target system. On an unexpected source server failure, the Intent Log feature eliminates the need to do a full resync after the…

READREGISTRY

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » READREGISTRY

EMCMD READREGISTRY This command tells the SIOS DataKeeper driver to re-read its registry settings. The parameters are: This can be either the source system or the target system. The drive letter of the mirror for which you want…

FAQs

SIOS DataKeeper for Windows Technical Documentation » FAQs

Refer to this section for answers to the most frequently asked questions about SIOS DataKeeper. ______________________________________________________________________________________________________________ Awareness of Windows Filenames and Directory Names AWS…

Before Installing Oracle

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Installation » Before Installing Oracle

Before you install the Oracle software, the servers and storage must be configured and LifeKeeper must be installed on each server in the cluster. By doing so, you can then install Oracle onto a volume that is already LifeKeeper-protected. Replicated Storage…

Firewall Configurations

SIOS DataKeeper for Windows Technical Documentation » Configuration » Firewall Configurations

SIOS DataKeeper cannot function properly if the firewall settings for the source and target machines are not configured correctly. This means you will need to configure a rule for inbound and outbound connections on each server running SIOS DataKeeper as well as any…

ISPOTENTIALMIRRORVOL

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » ISPOTENTIALMIRRORVOL

EMCMD ISPOTENTIALMIRRORVOL This command checks to determine if a volume is a candidate for mirroring. The command may only be run on the local system. The parameters are: This should be the local system. The drive letter of the…

User Interface

DataKeeper Cluster Edition Technical Documentation » SIOS DataKeeper Cluster Edition Introduction » User Interface

SIOS DataKeeper User Interface The SIOS DataKeeper User Interface uses a standard MMC snap-in interface. The left pane displays the Console Tree view. This includes the Jobs and Reports. Currently, there are two reports available – Job Overview and Server…

User Interface

SIOS DataKeeper for Windows Technical Documentation » Introduction » User Interface

SIOS DataKeeper User Interface The SIOS DataKeeper User Interface uses a standard MMC snap-in interface. The left pane displays the Console Tree view. This includes the Jobs and Reports. Currently, there are two reports available – Job Overview and…

Resynchronization

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Resynchronization

SIOS DataKeeper Resynchronization SIOS DataKeeper performs resynchronization through the use of a bitmap file (intent log). It allocates memory that is used to keep track of “dirty” or “clean” blocks. When a full resync begins, SIOS DataKeeper…

Split-Brain Issue and Recovery

Split-Brain Issue and Recovery

When protecting DataKeeper volume resources in Microsoft WSFC, if all nodes are included in the cluster split-brain recovery should occur automatically. However, in a Node Outside the Cluster scenario a split-brain may occur if network connectivity is lost to the DR…

Network Bandwidth

SIOS DataKeeper for Windows Technical Documentation » Configuration » Network Bandwidth

Because DataKeeper can replicate data across any available network, special consideration must be given to the question, “Is there sufficient bandwidth to successfully replicate the volume and keep the mirror in the mirroring state as the source volume is updated…

Inability to Create a Mirror

SIOS DataKeeper for Windows Technical Documentation » FAQs » Inability to Create a Mirror

Question Why can’t I create a mirror? Answer The common cause of this problem is that the volume on either source or target is in use by another process. Stop the process that is accessing the volume and try again. The SIOS DataKeeper software requires…

CHKDSK

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions » CHKDSK

Description If you must run CHKDSK on a volume that is being replicated by SIOS DataKeeper, it is recommended that you PAUSE the mirror before initiating the CHKDSK. After running CHKDSK, CONTINUE the mirror. A partial resync occurs (updating those writes generated…

STOPSERVICE

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » STOPSERVICE

EMCMD STOPSERVICE This command stops the DataKeeper service.

Creating Mirrors With Multiple Targets

SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors » Creating Mirrors With Multiple Targets

SIOS DataKeeper provides the ability to replicate data from a single source volume to one or more target volumes. In addition, DataKeeper also allows you to switch over control and make any of the target volumes become the source. Assuming you have already created a…

Monitoring Replicated Volume Resources

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication » Monitoring Replicated Volume Resources

The state of all SIOS Protection Suite protected replicated volume resources is displayed in the LifeKeeper GUI. Refer to the SIOS DataKeeper topic, Mirror State Definitions, for details on mirror states. The example below shows that the mirror state of the replicated…

Continue and Lock

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Continue and Lock

This action locks the volume on the target system and then resumes the mirroring process. While the mirror is paused, writes on the source system are recorded in the SIOS DataKeeper Intent Log. When the Continue and Lock operation occurs, these changed blocks –…

Intelligent Versus Automatic Switchback

SIOS Protection Suite for Windows » Configuration » Intelligent Versus Automatic Switchback

By default, the switchback setting of a resource is intelligent. This means that once the failover occurs for that resource from Server A to Server B, the resource remains on Server B until another failure or until an administrator intelligently switches the resource…

Restrictions

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions

Included below are restrictions associated with DataKeeper and DataKeeper Cluster Edition as well as possible workarounds and/or solutions. __________________________________________________________________________________________________________________ Bitlocker…

Registry Entries

SIOS DataKeeper for Windows Technical Documentation » Administration » Registry Entries

The following registry entries are associated with the SIOS DataKeeper service or driver and can be viewed and edited using Regedt32. *No values in any DataKeeper registry key should be modified unless listed they are listed here. Registry Entries that MAY be…

Performance Monitor Counters

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Performance Monitor Counters

SIOS DataKeeper provides counters that extend Performance Monitor with statistics about the status of mirroring on volumes. The counters are installed during the full installation of SIOS DataKeeper software. To access the counters, do the following: On a…

Toolbars

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Toolbars

SIOS Protection Suite for Windows Toolbars _____________________________________________________________________________________________________________________________________________________ Global Toolbar Resource Context Toolbar Server Context…

Application Recovery Kits

SIOS Protection Suite for Windows » Application Recovery Kits

SIOS Protection Suite for Windows Application Recovery Kits (ARKs) include tools and utilities that allow SPS to manage and control a specific application. The following optional recovery kits are available with this release of…

Read and Write Operations

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Read and Write Operations

After the volume mirror is created and the two drives on the primary and secondary servers are synchronized, the following events occur: The system locks out all user access to the target volume; reads and writes are not allowed to the target volume. The source…

Resize or Grow Mirrored Volumes

SIOS DataKeeper for Windows Technical Documentation » FAQs » Resize or Grow Mirrored Volumes

Question Can you resize or grow mirrored volumes? Answer Yes, beginning with Version 7.4, users can extend and shrink their DataKeeper volumes dynamically while retaining mirror settings. See DataKeeper Volume Resize for more information.

Clustering

SIOS Protection Suite for Windows » Clustering

Running chkdsk on Cluster Volumes during Cluster Volume Online Creating a DataKeeper Volume Resource in WSFC Manual Creation of a Mirror in WSFC DataKeeper Volume Resource Health Check DataKeeper Volume Resource Private Properties Extending a Clustered DataKeeper…

Kit Installation

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Kit Installation

The SIOS Protection Suite Microsoft IIS Recovery Kit is included with the SIOS Protection Suite for Windows core product which is available on CD-ROM or via ftp download.

Bandwidth Throttle

SIOS DataKeeper for Windows Technical Documentation » Configuration » WAN Considerations » Bandwidth Throttle

DataKeeper attempts to utilize all of the available network bandwidth. If DataKeeper is sharing the available bandwidth with other applications, you may wish to limit the amount of bandwidth DataKeeper is allowed to use. DataKeeper includes a feature called Bandwidth…

Installation – Access is Denied

SIOS Protection Suite for Windows » Troubleshooting » Installation – Access is Denied

Symptom During upgrade or re-installation, SIOS Protection Suite generates “Access is denied” error message. Solution The SIOS Protection Suite services have not all stopped. This can occur if Setup was unable to stop the SIOS Protection Suite services. Open a…

Document Content Location

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Configuration Definitions and Restrictions » Document Content Location

Shared and Replicated Content Storage If the content volume is on a shared or replicated volume, both Web sites must point to the same shared or replicated volume and folder. The primary and backup servers must contain the same content files for the active and standby…

Recovery Kit Installation

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Recovery Kit Installation

The SIOS Protection Suite Microsoft SQL Server Recovery Kit is distributed via ftp download. Installation is simple and quick using InstallShield to provide a standard installation interface. Before installing the SIOS Protection Suite Microsoft SQL Server Recovery…

Error Messages Log

SIOS DataKeeper for Windows Technical Documentation » FAQs » Error Messages Log

Question Where does DataKeeper log error messages? Answer DataKeeper events are logged in the Windows Application Event Log and the Windows System Event Log. Here is a breakdown of the messages you can look for. Application Event Log: Source = ExtMirrSvc –…

Additional Setup Tasks for Extended Configurations

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Installation » Additional Setup Tasks for Extended Configurations

If your configuration uses a shared storage device or you are using SIOS DataKeeper, you may choose a configuration that will be extended to a third (or more) server(s). If it has not already been done, configure two systems following the steps given in Installation…

Kit Removal

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Kit Removal

!CAUTION: Be sure to remove all SIOS Protection Suite IIS resources from service and delete them prior to removing the recovery kit. Once the kit is removed these resources will be unusable. The SIOS Protection Suite Microsoft IIS Recovery Kit is included with the…

LifeKeeper GUI

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI

The GUI components should have already been installed as part of the SIOS Protection Suite Core installation. The LifeKeeper GUI uses Java technology to provide a graphical user interface to SIOS Protection Suite and its configuration data. Since the LifeKeeper GUI is…

Synchronous and Asynchronous Mirroring

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Synchronous and Asynchronous Mirroring

SIOS DataKeeper employs both asynchronous and synchronous mirroring schemes. Understanding the advantages and disadvantages between synchronous and asynchronous mirroring is essential to the correct operation of SIOS DataKeeper. Synchronous Mirroring With synchronous…

Using the -proxy option with EMCMD

DataKeeper Cluster Edition Technical Documentation » Using the -proxy option with EMCMD

All EMCMD requests can be routed through a “proxy” DataKeeper service. To do this, append the options -proxy - to the end of the EMCMD command line. The should be given using the same format as the option. EMCMD will open a connection to the …

Using Volume Shadow Copy

SIOS DataKeeper for Windows Technical Documentation » FAQs » Using Volume Shadow Copy

Question Can Volume Shadow Copy (VSS) be Used with DataKeeper Volumes? Answer VSS Shadow Copy can be enabled for DataKeeper volumes. However, the following guidelines apply: VSS snapshot images must not be stored on a DataKeeper volume. Storing VSS snapshots on…

Sector Size

SIOS DataKeeper for Windows Technical Documentation » Configuration » Sector Size

Beginning with DataKeeper Version 7.2.1, disks with sector size not equal to 512 bytes are supported. However, DataKeeper requires that the mirror source volume be configured on disk(s) whose sector size is the same as the disk(s) where the mirror target is configured.…

UPDATECLUSTERTARGET STATEPROPERTIES

UPDATECLUSTERTARGET STATEPROPERTIES

EMCMD UPDATECLUSTERTARGET STATEPROPERTIES This command will update the TargetState private properties for all clustered DataKeeper volumes for which the given system is the source. This is the system whose volume states will be checked. For…

Switching Over a Mirror

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Switching Over a Mirror

The Switchover Mirror function enables you to switch over all the mirrors in a job or just one of the mirrors in a job. A “mirror” includes all variants for mirrors such as standard single-target replication and complex geometries such as multi-target…

Menus

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Menus

SIOS Protection Suite for Windows Menus ___________________________________________________________________________________________________________________________________________________ Resource Context Menu Server Context Menu File Menu Edit Menu –…

File Menu

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Menus » File Menu

Connect. Connect to a SIOS Protection Suite cluster (requires login authentication on each server). Exit. Disconnect from all servers and close the GUI window.

Localized Language Supplement

DataKeeper Cluster Edition Installation Guide » Installation » Localized Language Supplement

For information regarding the Localized Language Supplement, please refer to the topic Installing LifeKeeper for Windows Localized Language Supplement in the SIOS Protection Suite Documentation.

Communication Status Information

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » Communication Status Information

The Communication tab of the Server Properties dialog lists the servers known to SIOS Protection Suite and their current state followed by information about each communication path.

Windows Server 2012 iSCSI Target Role Does Not Support Dynamic Disks

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Windows Server 2012 Specific Issues » Windows Server 2012 iSCSI Target Role Does Not Support Dynamic Disks

Description The iSCSI Target Role only supports DataKeeper Volumes that are mirrors of Simple Volumes placed on Basic Disks. If any of your mirrors are using volumes such as Striped or Spanned volumes on a Dynamic Disk on either the source or target system, then you…

Licensing – License Key Not Found

SIOS Protection Suite for Windows » Troubleshooting » Licensing – License Key Not Found

Symptom After installing licensed recovery kit, the following error is logged to the Application Event Log by SIOS Protection Suite: “Process: Lkinit:(1832) *ERROR* (No. 20042) SPS Recovery Kit license key NOT FOUND”. Solution Use the SIOS Protection…

SQL Server Installation

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation

Proper operation of the SIOS Protection Suite Microsoft SQL Server Recovery Kit depends upon correct setup of the hardware and software. Before continuing, please preview the Hierarchy Administration section of this guide. This section provides general guidelines,…

PostgreSQL Server Installation

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Installation

Proper operation of the SIOS Protection Suite PostgreSQL Server Recovery Kit depends upon correct setup of the hardware and software. Before continuing, please preview the Hierarchy Administration section of this guide. This section provides general guidelines,…

LCD Directory Structure

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » LCD Directory Structure

Major subdirectories under $LKROOT (by default, c:\LK): Admin. Scripts for SIOS Protection Suite core and Recovery Kits. Config. SIOS Protection Suite configuration files, including shared equivalencies. Bin. SIOS Protection Suite executable…

Manual Creation of a Mirror in WSFC

SIOS Protection Suite for Windows » Clustering » Creating a DataKeeper Volume Resource in WSFC » Manual Creation of a Mirror in WSFC

Wait until the mirrors are in the Mirroring state. Create an Empty Application. Open the Microsoft Windows Failover Cluster GUI Right-click on Services and Applications (in Windows 2012, right-click on Roles) Expand More Actions (not in Windows…

LifeKeeper Communications Manager (LCM)

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » LifeKeeper Communications Manager (LCM)

The LifeKeeper Communication Manager (LCM) provides reliable communication between processes on one or more SIOS Protection Suite servers. This process can use redundant communication paths between systems so that failure of a single communication path does not cause…

Stop Replication Between Source and Target

SIOS DataKeeper for Windows Technical Documentation » FAQs » Stop Replication Between Source and Target

Question How do I stop the replication between the Source and Target volumes? Answer Replication occurs at the driver level and can only be stopped or interrupted by sending a command from the DataKeeper GUI or the DataKeeper command line (EMCMD) to the DataKeeper…

WAN Considerations

SIOS DataKeeper for Windows Technical Documentation » Configuration » WAN Considerations

Replicating data across the network to a remote server located miles away from the source server is the most common use of DataKeeper. Typically, this configuration relies on a WAN of some sort to provide the underlying network that DataKeeper uses to replicate the…

Installation

DataKeeper Cluster Edition Installation Guide » Installation

Once you have downloaded the DataKeeper Cluster Edition software, the topics that follow explain the installation process. Core Software Installing Core Third Party Product Files Application Directory Anomaly Localized Language Supplement Silent…

Volume Locking for Shared SCSI Volumes

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Operator Tasks » Volume Locking for Shared SCSI Volumes

When you want to protect resources on shared SCSI disks, you partition the shared disk into logical volumes using the Windows Disk Management tool. SIOS Protection Suite can protect shared volumes by defining a volume resource instance. Each instance is assigned a…

Resource Tag Name Restrictions

Resource Tag Name Restrictions

Tag Name Length All tags within DataKeeper may not exceed the 256 character limit. Valid “Special” Characters - _ . / However, the first character in a tag should not contain “.” or “/”. Invalid…

Resource Tag Name Restrictions

SIOS Protection Suite for Windows » Troubleshooting » Resource Tag Name Restrictions

Tag Name Length All tags within SIOS Protection SuiteDataKeeper may not exceed the 256 character limit. Valid “Special” Characters - _ . / However, the first character in a tag should not contain…

Reserve Volumes For Exclusive PostgreSQL Use

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » Reserve Volumes For Exclusive PostgreSQL Use

The volumes containing the protected PostgreSQL files should be reserved for use by PostgreSQL exclusively. A SIOS Protection Suite protected volume may fail to switch over if it is accessed by an another application, process or remote user.

Troubleshooting

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Troubleshooting

This section provides suggestions and insights into occurrences that are not specifically related to the SIOS Protection Suite software but have a relationship with the total environment. Create Fails Restore Fails

Extending a Traditional 2-Node Cluster to a Shared-Replicated Configuration

SIOS Protection Suite for Windows » Clustering » Extending a Traditional 2-Node Cluster to a Shared-Replicated Configuration

Add a Shared Node Using Windows Server 2008R2 or 2012 When using Windows Server 2008R2 or 2012, a 1×1 2-Node replicated cluster using DataKeeper Volumes can be extended to a 2×1 shared and replicated 3-Node cluster by using either of the following…

Non-mirrored Volume Resource

SIOS Protection Suite for Windows » Clustering » Non-mirrored Volume Resource

A non-mirrored volume resource is a DataKeeper resource where no data is replicated to any node in the cluster. This resource type should only be used where the data is temporary and/or non-critical such as MS SQL Server tempdb space. In this case, when MS SQL restarts…

Server 2012: Server Manager “File and Storage Services” Disk Status

Server 2012: Server Manager “File and Storage Services” Disk Status

Question Why are DataKeeper Volumes that are being used in a Microsoft Failover Cluster not shown by Server Manager as “Clustered”? Answer On Server 2012, the new Server Manager tool is capable of detecting if a complete “Disk” is being used by Failover…

Working With Mirrors

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors

Managing Mirrors Pause and Unlock Continue and Lock Partial Resync Break Resync Deleting a Mirror Replacing a Target DataKeeper Volume Resize Mirror Properties Changing the Compression Level of an Existing Mirror

Configuration

SIOS DataKeeper for Windows Technical Documentation » Configuration

Requirements/Considerations The topics in this section identify several prerequisites to be aware of before implementing your DataKeeper…

Reserve Volumes For Exclusive SQL Use

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Reserve Volumes For Exclusive SQL Use

The volumes containing the protected SQL files should be reserved for use by SQL exclusively. A SIOS Protection Suite protected volume may fail to switch over if it is accessed by an application, process or remote user.

Create and Extend Failure

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » Troubleshooting » Create and Extend Failure

Create and Extend Fail if Master or User Databases on System Drive Symptom: The Create and Extend of a Microsoft SQL Server resource will fail if the Master or any user databases are located on the system drive or a volume that cannot be protected by SIOS Protection…

Data Replication

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication

The topics in this section provide details on using data replication with SIOS Protection Suite. _____________________________________________________________________________________________________________________________________________________ Monitoring Replicated…

Licensing – Licensed Recovery Kit Resource Fails to Come In Service

SIOS Protection Suite for Windows » Troubleshooting » Licensing – Licensed Recovery Kit Resource Fails to Come In Service

Symptom After upgrade, licensed recovery kit resource fails to come in service and the following error is logged to the Application Event Log by SIOS Protection Suite: “Process: lcdmachfail(3176) *ERROR* (No. 1001) resource requires a license (for Kit )…

Common Hardware Components

SIOS Protection Suite for Windows » Configuration » SIOS Protection Suite Configurations » Common Hardware Components

All SIOS Protection Suite configurations share these common components as illustrated in the diagram below: Server Groups. The basis for the fault resilience provided by SIOS Protection Suite is clustered Windows servers. The servers, also referred to as SIOS…

New-DataKeeperJob

SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper » New-DataKeeperJob

This cmdlet is used to create a DataKeeper job consisting of two nodes. Jobs created using this cmdlet will be added to the DataKeeper SnapIn the next time it is loaded. Parameters Parameter Type Required Position Notes JobName …

Maintenance Tasks

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks

The topics in this section cover the tasks necessary for maintaining SIOS Protection Suite. _____________________________________________________________________________________________________________________________________________________ Starting and Stopping…

WSFC 2012 Failover Cluster Manager UI Defect (Delete Action Missing)

WSFC 2012 Failover Cluster Manager UI Defect (Delete Action Missing)

Description On Windows Server 2012, the Microsoft Failover Cluster Manager UI tool has a defect. When a “right-click” is performed on a DataKeeper Volume resource from the Available Storage group, the drop-down action list does not appear. That action list would…

Mirror Creation and Cluster Configuration

SIOS DataKeeper for Windows Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012 » Mirror Creation and Cluster Configuration

Create your DataKeeper volumes and your cluster. See Creating a DataKeeper Volume Resource in WSFC for reference. *IMPORTANT: The iSCSI Target Role only supports DataKeeper Volumes that are mirrors of Simple Volumes placed on Basic Disks. If any of your mirrors are…

One-to-One

SIOS DataKeeper for Windows Technical Documentation » User Guide » Getting Started » One-to-One

This is a simple one source, one target configuration, mirroring Volume X across the network. In addition to providing a second physical copy of the data, DataKeeper also provides the ability to switch over the mirror which allows the data to become active on the…

Replication Settings

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication » Replication Settings

From the Volume Resource Properties page, select the Replication Settings button to set the compression level, the network throttling or the SIOS Protection Suite Delete Mirror flag for a replicated volume. Field Tips Select Targets Select…

Unknown User Name or Bad Password

SIOS Protection Suite for Windows » Troubleshooting » Unknown User Name or Bad Password

Access Denied: Unknown User Name or Bad Password Symptom If a SIOS Protection Suite client tries to communicate with a server that is in the process of shutting down, the server may abort the validation process by refusing to allow the client to log on. In that case,…

New-DataKeeperMirror

SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper » New-DataKeeperMirror

This cmdlet is used to create a new DataKeeper mirror. Mirrors created with this cmdlet will be visible in the DataKeeper SnapIn (Reports > Server Overview). If a job exists that includes information that matches this mirror (systems, IP Addresses, Volumes, and Sync…

User Interface – Failed to Create Mirror

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » User Interface – Failed to Create Mirror

User Interface – Failed to Create Mirror, Event ID 137 Error/Message Failed to create the mirror. Event Id: 137 System Event Log Unable to initialize mirror on the target machine. Volume Device: Source Volume: E Target Machine: 10.17.103.135 Target Volume:…

Get-DataKeeperVolumeInfo

SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper » Get-DataKeeperVolumeInfo

This cmdlet is used to fetch information about a volume used in DataKeeper. It reports DataKeeper volume information. Parameters Parameter Type Required Position Notes Node String Yes 0 Use the Node parameter…

GUI Overview

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » GUI Overview

The GUI allows users working on any machine to administer, operate or monitor servers and resources in any cluster as long as they have the required group memberships on the cluster machines. (For details, see Configuring GUI Users.) The GUI Server and Client…

LifeKeeper GUI User Accounts

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » LifeKeeper GUI User Accounts

All LifeKeeper GUI users must belong to SIOS Protection Suite security groups. The SIOS Protection Suite administrator for a cluster can use local groups and user accounts on each server, or you can set up domain groups and users with local logon privileges. Logging…

Running chkdsk on Cluster Volumes during Cluster Volume Online

SIOS Protection Suite for Windows » Clustering » Running chkdsk on Cluster Volumes during Cluster Volume Online

As of version 7.6 DataKeeper now runs chkdsk on all mirrored volumes prior to the volume being available for use. DataKeeper now creates a new flag DiskRunChkDsk in Windows Failover Clustering for each DataKeeper volume. The flag determines how chkdsk runs on each…

Renaming a Job

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Renaming a Job

Select the job in the left Console Tree pane of the main DataKeeper window. You can select Rename Job from the Actions pane or right-click on the selected job and choose Rename Job from the menu that displays. Enter the new Job Name and new Job…

Safe Creation of a Shared-Storage Volume Resource

SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors » Safe Creation of a Shared-Storage Volume Resource

DataKeeper allows mirrors to be created on shared volumes where more than one system has access to the same physical storage. The shared volume can be on the source side of the mirror or on the target side. Note: Dynamic disks are not supported with Shared Storage…

Help Menu

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Menus » Help Menu

The Help Menu provides links to the Release Notes and Technical Documentation as well as descriptions of this documentation as follows: Release Notes: Each product version provides Release Notes containing not only new features but also important information such…

SQL Server Services

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Services

The SIOS Protection Suite Microsoft SQL Server Recovery Kit will monitor and protect the following services: SQL2008(R2), 2012, 2014 or 2016: Core Services Optional Services SQL Server (MSSQLSERVER) SQL Server Agent …

Adding Microsoft SQL Server Volumes

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Adding Microsoft SQL Server Volumes

As your environment grows, you may need to add new Microsoft SQL Server databases on new shared or replicated volumes. You should perform the following tasks to add the new volumes to the SIOS Protection Suite hierarchy before administering the new databases within…

LCDI Commands

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » LCDI Commands

SIOS Protection Suite provides two mechanisms for defining an application resource hierarchy: LifeKeeper GUI LifeKeeper Configuration Database Interface (LCDI) commands The LCDI is a set of interface commands provided by SIOS Protection Suite that you can use…

Disable “Automatically manage paging file size for all drives”

SIOS DataKeeper for Windows Technical Documentation » Configuration » Disable “Automatically manage paging file size for all drives”

By default, Windows configures virtual memory so that page files are automatically created on volumes as the Operating System determines is best. This Virtual Memory setting is called “Automatically manage paging file size for all drives”. When this…

REGISTERCLUSTERVOLUME

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » REGISTERCLUSTERVOLUME

EMCMD REGISTERCLUSTERVOLUME This command is used to register a DataKeeper protected volume in a WSFC cluster. The parameters are: This is the source system of the mirror. The drive letter of the volume you want registered.…

SQL Server Configuration Considerations

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Configuration Considerations

Before you install and configure your clusters, it is important to understand the concepts of Active/Standby configuration, and how multiple instances can be set up in a SQL configuration. SQL Configuration A configuration is Active/Standby when there is only one…

Deleting a Job

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Deleting a Job

Select the job in the left Console Tree pane of the main DataKeeper window. You can select Delete Job from the Actions pane or right-click on the selected job and choose Delete Job from the menu that displays. Select Yes to delete the selected job and…

Troubleshooting

SIOS Protection Suite for Windows » Troubleshooting

The topics in this section contain important information about known issues and restrictions offering possible workarounds and/or solutions. ________________________________________________________________________________________________________________ Applet…

Installation – Shared Storage Systems

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Installation – Shared Storage Systems

On the Primary Server Power down the backup server so that there is no chance of simultaneous access to your shared storage. Use the Windows Disk Management tool to configure your disk resources and define the shared volumes that you want to use. (Be sure the…

Extending a Single SQL Server Node to a Cluster

SIOS Protection Suite for Windows » Clustering » Extending a Single SQL Server Node to a Cluster

This guide explains how to install a single SQL Server node and extend it to a clustered node. Please read this document carefully prior to installation. Planning Steps: Start with a Microsoft SQL Server standalone node, where data resides on the C drive. Note:…

Troubleshooting

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » Troubleshooting

This section is intended to provide suggestions and insights into occurrences that are not specifically related to the SIOS Protection Suite software but have a relationship with the total…

New Evaluation License Key Error

SIOS Protection Suite for Windows » Troubleshooting » New Evaluation License Key Error

Symptom When evaluating SIOS Protection Suite for Windows, an error may occur if a new evaluation license key is not used. The old evaluation licenses will not work on this release. Solution A new evaluation license key must be obtained. Restart the License Key…

Installation

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation

The topics in this section will assist in installing the LifeKeeper Microsoft IIS Recovery Kit. _____________________________________________________________________________________________________________________________________________________ Hardware and Software…

PostgreSQL Server Hierarchy Administration

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration

Follow these guidelines when administering your PostgreSQL Server. Access Via Protected Communication Paths Reserve Volumes For Exclusive PostgreSQL Use Start and Stop PostgreSQL Server Only Through SIOS Protection Suite Creating and Protecting Additional…

LifeKeeper GUI Server and Client Components

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » LifeKeeper GUI Server and Client Components

The LifeKeeper GUI server is initialized on each SIOS Protection Suite server at system startup. It communicates with LifeKeeper GUI clients using Hypertext Transfer Protocol (HTTP) and Remote Method Invocation (RMI). You can connect to the LifeKeeper GUI server with…

Configuring Generic Application Scripts

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Configuring Generic Application Scripts

Use this feature to update a script that has been created to protect an application that has no associated SIOS Protection Suite Recovery Kit. Right-click on the generic application resource and select Properties. Select the SIOS Protection Suite Generic Application…

Taking Volume Resources In and Out Of Service

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Operator Tasks » Taking Volume Resources In and Out Of Service

Some background processes such as virus scanners and Windows Services will try to access a shared volume for write access. These processes may be required to run applications and cannot be arbitrarily turned off for long periods of time. In most cases, these…

IIS Configuration Definitions and Restrictions

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Configuration Definitions and Restrictions

The topics in this section will assist in configuring the SIOS Protection Suite Microsoft Internet Information Services Recovery…

Health Check Timeouts

SIOS Protection Suite for Windows » Troubleshooting » Health Check Timeouts

SYMPTOM: Occasionally, SIOS Protection Suite is installed on a system that is not performing well. There are tell-tale signs of abnormal system behavior that SIOS Protection Suite can detect such as the health check processes not starting or ending properly. The most…

Server Configuration Considerations

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Server Configuration Considerations

PostgreSQL Server Configuration Considerations Before you install and configure your PostgreSQL database clusters, it is important to understand how to configure them. It is also important to understand the concepts of Active/Standby and Active/Active configurations,…

IIS Overview

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Overview

The SIOS Protection Suite Microsoft IIS Recovery Kit protects Internet servers from the following problems: System failure or server shutdown Network Interface Card (NIC) failures Communication failures (Web server is running but stops…

WSFC 2012 Server Manager — Incorrect Volume Display

WSFC 2012 Server Manager -- Incorrect Volume Display

Description In Windows Server 2012, volume status can be viewed and volume manipulation can be performed within Server Manager > File and Storage Services > Volumes. However, when using DataKeeper volumes with cluster resources, this interface will not accurately…

Network Adapter Settings

SIOS DataKeeper for Windows Technical Documentation » Configuration » Network Adapter Settings

DataKeeper requires that “File and Printer Sharing for Microsoft Networks” be enabled on the network interfaces to make a NAMED PIPE connection and be able to run DataKeeper’s command line tool (EMCMD). To test if you can make a Named Pipe connection,…

WSFC 2012 File Server Resource Manager Event Log Errors

WSFC 2012 File Server Resource Manager Event Log Errors

Description In Windows 2012, if a File Server Role is created which uses one or more DataKeeper Volume resources and the File Server Resource Manager feature is enabled on the system, then a series of “SRMSVC” errors (ID 8228) will be received on the…

WSFC – MS DTC Resource Failure

WSFC – MS DTC Resource Failure

Error/Message The cluster resource host subsystem (RHS) stopped unexpectedly. An attempt will be made to restart it. This is usually due to a problem in a resource DLL. Please determine which resource DLL is causing the issue and report the problem to the resource…

WSFC 2012 Cluster Creation Default Setting Issue

WSFC 2012 Cluster Creation Default Setting Issue

Description During the cluster creation process in Windows Server 2012, Microsoft has added a new option to automatically consume all disks and manage them through Failover Clustering. As a result, any attempts to create a mirror in DataKeeper will fail and a message…

Troubleshooting

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting

The topics in this section contain important information about known issues and restrictions offering possible workarounds and/or solutions. ________________________________________________________________________________________________________________ Known Issues…

DROPSNAPSHOT

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » DROPSNAPSHOT

EMCMD DROPSNAPSHOT [ …] This command will notify DataKeeper to lock the volume and clean up the snapshot files that it created. The parameters are: This is the IP address of the system containing the snapshot. This is the…

Mirroring with Dynamic Disks

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Mirroring with Dynamic Disks

When changing from a Basic Disk to a Dynamic Disk, the underlying volume GUID may be changed by the OS upon reboot. This will cause a DataKeeper mirror to break. Suggested Action When mirroring with dynamic disks, your dynamic volumes should be created and a reboot…

CHANGEMIRRORENDPOINTS

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions » CHANGEMIRRORENDPOINTS

Description: This command, which is used to move a DataKeeper protected volume to another network location, only supports changing the endpoints of a mirrored volume that is configured on 3 nodes or fewer. Workaround: For configurations greater than three nodes, the…

Edit Menu – Server

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Menus » Edit Menu – Server

This submenu of the main menu bar is the same as the default server context menu except that you must select a server when you invoke actions from this menu. The Edit > Server menu cannot be customized. View Logs. View SIOS Protection Suite log messages. Create…

Maintaining SQL Server Login and Passwords

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Maintaining SQL Server Login and Passwords

During the creation of a SIOS Protection Suite SQL resource, the user must enter a SQL administrative username and password for that instance of Microsoft SQLServer. Should the password of this username change at some point in the future, the SQL resource must be…

Compression

SIOS DataKeeper for Windows Technical Documentation » Configuration » WAN Considerations » Compression

DataKeeper allows the user to choose the compression level associated with each mirror. Enabling compression can result in improved replication performance, especially across slower networks. A compression level setting of 3-5 represents a good balance between CPU…

Creating Other Server Resource in WSFC

SIOS Protection Suite for Windows » Clustering » Creating Other Server Resource in WSFC

When creating an Other Server resource in WSFC, you will be prompted for a storage resource (DataKeeper resource) twice. You will check the first one, but do not need to check the second dialog. Click the “checkbox” for the first dialog “Select…

Hyper-V Host Cluster Error

Hyper-V Host Cluster Error

Failover Cluster Error After Changing Virtual Machine Configuration While VM Is Clustered Description If Failover Cluster Manager is used to modify the VM configuration while the VM is clustered such as adding a Network Interface to the VM, “Refresh Virtual…

Server Login Accounts and Passwords Must Be Same on Each Server in the Cluster

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Server Login Accounts and Passwords Must Be Same on Each Server in the Cluster

The DataKeeper GUI cannot connect to the target server in a cluster if server Login Accounts and Passwords are different on each server. Error Message An Error Code 1326 will appear in the Application log (Note: The Error Code may also be a 2 with Event ID…

IIS Configuration Considerations

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » IIS Configuration Considerations

LifeKeeper places certain restraints on your Internet server configurations. These restrictions will ensure that the standby web server/site can successfully and completely replace the active web server/site. Default Web Site or New Web Site The Default Web Site…

Transferring Resource Hierarchies

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Transferring Resource Hierarchies

When you need to perform routine maintenance or other tasks on a SIOS Protection Suite Server, you can use the LifeKeeper GUI to move in-service resources to another server. To transfer in-service resource hierarchies from Server A to Server B, use the GUI to bring the…

Monitoring Your PostgreSQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » Monitoring Your PostgreSQL Hierarchy

SIOS Protection Suite monitors the PostgreSQL database cluster services for every PostgreSQL resource. If the services stop, the monitoring process associated with the PostgreSQL resource will detect this and attempt to restart the services on the local server if Local…

Manage User Menu

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Configuration Considerations » Manage User Menu

Select Management Action: Show Current User – Display the current user name used by the protected resource hierarchy. Change Password – Update the user password for the current user associated with the protected resource hierarchy. Change User…

Process Config Menu

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Configuration Considerations » Process Config Menu

This menu allows users to modify the list of optional SQL Processes that are protected under the resource hierarchy. SIOS Protection Suite will monitor all protected optional services (see Monitoring Your SQL Hierarchy). Select Action: Add Process – Add an…

Pausing Microsoft SQL Server (MSSQLServer)

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Pausing Microsoft SQL Server (MSSQLServer)

It is possible for the SQL Administrator to manually put Microsoft SQL Server into a PAUSED state whereby existing connections to the Microsoft SQL Server can continue processing, but no new connections are allowed. In this case, SIOS Protection Suite detects that the…

GUI Network Related – Initial Connection to Server Failed (Error 117)

SIOS Protection Suite for Windows » Troubleshooting » GUI Network Related – Initial Connection to Server Failed (Error 117)

Symptom Initial Connection to server failed (Error 117). If you are attempting to connect to a server that has two or more network interface cards (NICs), it could indicate a Java RMI binding problem where the first NIC (the one that appears first in the output of…

Monitoring Your SQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Monitoring Your SQL Hierarchy

For every SQL resource, SIOS Protection Suite monitors the Microsoft SQL Server service and any optional services selected during the creation of the SQL hierarchy or added at a later time. Should any of these services stop, the monitoring process associated with the…

Server Context Menu

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Menus » Server Context Menu

The server context menu appears when you right-click on a server in the status table. The actions are always invoked on the server that you select. View Logs. View SIOS Protection Suite log messages. Create Resource Hierarchy. Create a resource hierarchy. Create…

Recovering Out-of-Service Hierarchies

SIOS Protection Suite for Windows » Troubleshooting » Recovering Out-of-Service Hierarchies

Description As a part of the recovery following the failure of a SIOS Protection Suite server, resource hierarchies that are configured on the failed server but are not in service anywhere at the time of the server failure are recovered on the highest priority alive…

Removal

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Removal

To remove the SIOS Protection Suite Microsoft SQL Server Recovery Kit software, choose Microsoft SQL Server Recovery Kit in the Add/Remove Programs or Programs and Features applet in the control panel. !CAUTION: Be sure there are no SQL instances or resources in…

Active-Standby Grouping

SIOS Protection Suite for Windows » Configuration » Active-Standby Grouping

In an active/standby group, the primary server is processing, and the back-up servers are standing by in case of a failure on the primary server. The standby systems can be smaller, lower-performance systems, but they must have the processing capability to assure…

Switchover and Failover with Multiple Targets

SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors » Switchover and Failover with Multiple Targets

In a multiple target configuration, it is important to understand how DataKeeper mirrors will work in the following scenarios: Manual switchover to a target server Source server failure followed by a manual switchover to a target server Example: In the…

Performing Offline Maintenance On A Shared Disk

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Performing Offline Maintenance On A Shared Disk

When performing offline maintenance on a shared SCSI host adapter or a disk on a shared bus, you must stop LifeKeeper and power down all servers and shared disks. Perform these actions in the following order: Stop LifeKeeper. Use the Services tool to stop the…

Add-DataKeeperJobPair

SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper » Add-DataKeeperJobPair

This cmdlet will add a node pair to an existing DataKeeper Job. It is used to expand the nodes and volumes contained within an existing job. For example, if a job exists for a volume between nodes A and B, and you want to add node C, run AddDataKeeperJobPair…

Creating the SQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Creating the SQL Hierarchy

After you have completed the necessary setup tasks outlined in the SIOS Protection Suite for Windows Installation Guide, use the following steps to define the SQL Server hierarchy to protect your database(s). !Important: If you have an existing SQL database…

Network Disconnect

SIOS DataKeeper for Windows Technical Documentation » FAQs » Network Disconnect

Scenario #1 In a 2-Node, non-clustering configuration (1×1) replicating a 100TB volume between Source server and Target server over a WAN connection, the network goes down for twenty minutes. Question In this scenario, what would happen to the Mirror State with…

TAKESNAPSHOT

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » TAKESNAPSHOT

EMCMD TAKESNAPSHOT […] This command, run on the target system, will notify DataKeeper to establish a snapshot of the given volume(s) on the given system. If no snapshot location has been configured, the command will fail. The parameters are: …

Remove-DataKeeperJob

SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper » Remove-DataKeeperJob

This cmdlet will remove a DataKeeper job of a given ID. It will remove this job from all systems contained within the job. Parameters Parameter Type Required Position Notes JobID String Yes 0 The unique job…

Failed to Create Mirror

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Failed to Create Mirror

User Interface – Failed to Create Mirror – Application Event Log Error/Message Logged in the Application Event Log: File: .\GuiThread.cpp Line: 3099 Attempt to connect to remote system REMOTESERVER failed with error 5. Please ensure that the local…

Getting Started

SIOS DataKeeper for Windows Technical Documentation » User Guide » Getting Started

Choose Your Configuration DataKeeper can be utilized in a number of different configurations to facilitate a number of different functions including: Provide a second physical copy of your data Extend an existing WSFC cluster to a remote DR site Review the…

Initial Synchronization of Data Across the LAN or WAN

SIOS DataKeeper for Windows Technical Documentation » Configuration » WAN Considerations » Initial Synchronization of Data Across the LAN or WAN

When replicating large amounts of data over a WAN link, it is desirable to avoid full resynchronizations which can consume large amounts of network bandwidth and time. DataKeeper avoids almost all full resyncs by using its bitmap technology. However, the initial…

Many-to-One

SIOS DataKeeper for Windows Technical Documentation » User Guide » Getting Started » Many-to-One

This configuration involves multiple source servers replicating one (or more) volumes to the same target system. In this configuration, each volume being replicated to the target server must have a unique drive letter. Note: This is actually two One-to-One…

Known Issues and Workarounds

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds

Included below are known issues open against DataKeeper as well as possible workarounds and/or solutions. __________________________________________________________________________________________________________________ Access to Designated Volume Denied Failed to…

Managing IP Resources

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Managing IP Resources

To view configuration information associated with a protected IP resource from the LifeKeeper GUI, right-click on the IP resource (on the right-hand side of the LifeKeeper GUI) and select Properties, then select the IP Configuration tab. The example below shows the…

GUI Server Troubleshooting

SIOS Protection Suite for Windows » Troubleshooting » GUI Server Troubleshooting

Symptom The LifeKeeper GUI uses Ports 81 and 82 on each server for its administration web server and Java remote object registry. If another application is using the same ports, the LifeKeeper GUI will not function properly. Solution These values may be changed by…

Deleting a Mirror

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Deleting a Mirror

This action discontinues replication and removes the mirror from the associated job. The target volume is unlocked and made fully accessible. Select the job that contains the mirror you want to delete. Right-click on the mirror and choose Delete Mirror or…

LifeKeeper Configuration Database (LCD)

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » LifeKeeper Configuration Database (LCD)

The LifeKeeper configuration database (LCD) maintains the object-oriented resource hierarchy information and stores recovery direction information for all resource types known to SIOS Protection Suite. The data is cached within system shared memory and stored in files…

Win2008 – IIS Resource Hierarchy Creation Error

SIOS Protection Suite for Windows » Troubleshooting » Win2008 – IIS Resource Hierarchy Creation Error

Symptom On a Win2008 system when creating an IIS Resource Hierarchy, you receive the following message: No qualified sites were found… and the create fails. BACKGROUND /…

Admin Actions Menu

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Configuration Considerations » Admin Actions Menu

This menu allows users to manage the SQL administrator user used during SIOS Protection Suite operations or resolve ID conflicts between the primary and backup servers encountered during the extend operation. Select Administrative Action: Manage User –…

PostgreSQL Administrative Login

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » PostgreSQL Administrative Login

During the creation of a SIOS Protection Suite PostgreSQL resource the user must enter a PostgreSQL administrative username for that database cluster. This administrative username is used for client connections through the psql utility. The username: Must have the…

Managing Shared Volumes

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Shared Volumes » Managing Shared Volumes

Once your mirrors have been created, DataKeeper allows you to manage your shared volumes. By choosing Manage Shared Volumes from the DataKeeper GUI, you can add another system, which is sharing a mirrored volume, to a job. It also allows you to remove a shared system…

SQL Server Hierarchy Administration

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration

Follow these guidelines when administering your SQL Server. __________________________________________________________________________________________________________________________________________________ Access Via Protected Communication Paths User Resource Name…

SQLAgent Service Fails to Start

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » Troubleshooting » SQLAgent Service Fails to Start

SQLAgent Service Fails to Start Sometimes for Named Instances Symptom: On named instances of Microsoft SQL Server where SIOS Protection Suite is protecting the SQLAgent service, when the resource is originally brought in service, a SQL problem prevents this service…

Creating Mirrors With Shared Volumes

SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors » Creating Mirrors With Shared Volumes

In order to properly configure DataKeeper in a shared volume configuration, use the DataKeeper GUI to connect to all systems where the shared volumes are configured. When connected, the DataKeeper GUI uses hardware signatures to automatically detect which volumes are…

Split-Brain FAQs

SIOS DataKeeper for Windows Technical Documentation » FAQs » Split-Brain FAQs

Scenario I am using DataKeeper in a non-cluster environment. I am mirroring from Server1 at one site to Server2 at a second site. Communication is broken due to site-to-site VPN, and I need to fail over from Server1 to Server2. I cannot access Server1 from anywhere.…

Recovering After a Failover

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Recovering After a Failover

After SIOS Protection Suite performs a failover recovery from a primary server (ServerA) to a backup server (Server B), perform the following steps: Monitor failover. When SIOS Protection Suite on Server B performs a failover recovery from Server A, status messages…

Remove-DataKeeperMirror

SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper » Remove-DataKeeperMirror

This cmdlet will remove a DataKeeper mirror. It will attempt to remove the mirror from all nodes for this mirror. This command will not remove the mirror from any down or network inaccessible node. Parameters Parameter Type Required Position…

Duplicate IP Addresses Disallowed Within a Job

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions » Duplicate IP Addresses Disallowed Within a Job

A DataKeeper job contains the endpoint information for all mirrors that are part of the job. This information includes the host name, IP address, and drive letter of each mirror endpoint. Within a job, an IP address cannot be duplicated on more than one node. For…

Changing the Compression Level of an Existing Mirror

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Changing the Compression Level of an Existing Mirror

The compression level of the mirror is set during mirror creation and applies to that specific mirror only. To change the compression level of an existing the mirror, edit the properties of the mirror from within the DataKeeper GUI. Select the mirror and click on…

Windows Server 2012 MMC Snap-in Crash

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Windows Server 2012 Specific Issues » Windows Server 2012 MMC Snap-in Crash

Description When using the DataKeeper user interface (MMC Snap-in) on Windows Server 2012, the mmc.exe process may crash unexpectedly due to an internal .Net or Windows Presentation Foundation (WPF) issue. The error may show up on the screen and/or the event…

Break

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Break

Breaking a mirror is similar to the Pause and Unlock function. It suspends mirror operation and unlocks the target volume for read/write access. The difference is that the Break operation marks all bits in the DataKeeper Intent Log as dirty, which forces a full…

Two-Server Cluster Issue

SIOS Protection Suite for Windows » Troubleshooting » Two-Server Cluster Issue

Symptom In a two-server cluster, when the primary server fails or is shut down which causes the hierarchies to fail over to the backup server, and the backup server also fails or is shut down before the hierarchies are entirely failed over to the backup server, the…

Database Config Menu

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Configuration Considerations » Database Config Menu

This menu allows users to modify the list of optional SQL Databases that are protected under the resource hierarchy. SIOS Protection Suite will monitor all protected optional SQL Databases by performing a SQL query to test the connection to the database (see…

Unextending a SQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Unextending a SQL Hierarchy

To remove a resource hierarchy from a single server in the SIOS Protection Suite cluster, do the following: On the Edit menu, select Resource, then Unextend Resource Hierarchy. Select the Target Server where you want to unextend the SQL resource. It cannot be…

Maintaining a Resource Hierarchy

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Maintenance Tasks » Maintaining a Resource Hierarchy

You can perform maintenance on a resource hierarchy while maintaining SIOS Protection Suite protection of all other hierarchies on the system. This involves taking the hierarchy in need of maintenance out of service and then bringing it back in service after you…

Unextending a PostgreSQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Server Configuration Considerations » Unextending a PostgreSQL Hierarchy

To remove a resource hierarchy from a single server in the SIOS Protection Suite cluster, do the following: On the Edit menu, select Resource, then Unextend Resource Hierarchy. Select the Target Server where you want to unextend the SQL resource. It cannot be…

SQL Server Reporting Services (MSSQLSERVER)

SIOS Protection Suite for Windows » Troubleshooting » SQL Server Reporting Services (MSSQLSERVER)

Symptom When protecting SQL Server 2008 R2 services, the “SQL Server Reporting Services (MSSQLSERVER)” may be selected as an optional protected service. However, if the time required to start this service exceeds the default Windows service timeout, you…

Firewall

SIOS Protection Suite for Windows » Troubleshooting » Firewall

Symptom Firewall was disabled during installation but is now enabled. How do I add the rules to Windows firewall? Solution There is a script in the LifeKeeper directory that will allow you to enable the firewall rules. The script is located…

Viewing The Status Of A Server

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Common Tasks » Viewing The Status Of A Server

The state of a server can be determined by looking at the graphic representation of the server in the table’s header as shown below. Server State Visual State What it Means ALIVE Client has valid connection to the…

Create Fails

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Troubleshooting » Create Fails

Symptom: The Create of a PostgreSQL Server resource will fail if the database cluster data directory is located on a volume and that volume is not already protected by SIOS Protection Suite. Suggested Action: Create the volume resource for the data…

System Grouping Arrangements

SIOS Protection Suite for Windows » Configuration » SIOS Protection Suite Configurations » System Grouping Arrangements

A resource hierarchy is defined on a cluster of SIOS Protection Suite servers. For a given hierarchy, each server is assigned a priority, with one (1) being the highest possible priority. The primary, or highest priority, server is the computer you want to use for the…

LCD Configuration Data

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » LCD Configuration Data

LCD stores the following related types of data: Dependency Information Resource Status Information Inter-Server Equivalency Information Dependency Information For each defined resource, SIOS Protection Suite maintains a list of dependencies and a list of…

Installation and Configuration – Adding PostgreSQL to an Existing LifeKeeper Configuration

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Installation » Installation and Configuration – Adding PostgreSQL to an Existing LifeKeeper Configuration

This section covers installation and configuration of the SIOS Protection Suite and PostgreSQL software when adding PostgreSQL to an existing LifeKeeper cluster. These steps must be followed in order. On the Primary Server: Use the Window Disk Management tool to…

CHANGEMIRRORTYPE

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » CHANGEMIRRORTYPE

EMCMD CHANGEMIRRORTYPE This command is used to change the mirror type of a mirror that is part of a DataKeeper job. Refer to the examples below. See Synchronous and Asynchronous Mirroring for information about the supported DataKeeper mirror types. …

Installation and Configuration Details – Adding LifeKeeper to an Existing PostgreSQL Configuration

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Installation » Installation and Configuration Details – Adding LifeKeeper to an Existing PostgreSQL Configuration

This section covers installation and configuration of the SIOS Protection Suite and PostgreSQL software when adding LifeKeeper to an existing PostgreSQL configuration. The Primary server is assumed to be the location of the active PostgreSQL database cluster that will…

Replacing a Target

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Replacing a Target

When replacing the target volume, you must either break the mirror or delete the mirror in order to ensure a full resync of the data from the source volume to the target volume when the target volume is back in place. Though similar to the Pause and Unlock, breaking…

Switchover in an N-Shared x N-Shared Configuration

SIOS Protection Suite for Windows » Clustering » Switchover in an N-Shared x N-Shared Configuration

In a multi-shared storage environment between two sites (as shown in the diagram below), each server in each site has access to the storage being shared between the servers at that site. When a DataKeeper mirror is created, one server in each site will be designated…

One-to-Many (Multiple Targets)

SIOS DataKeeper for Windows Technical Documentation » User Guide » Getting Started » One-to-Many (Multiple Targets)

This configuration involves one primary (source) system replicating one (or more) volume(s) to two different target systems across the network. This is referred to as a multiple target configuration. Note that there are two mirrors that are completely independent…

Active-Active Grouping

SIOS Protection Suite for Windows » Configuration » Active-Active Grouping

In an active/active group, all servers are active processors; they also serve as the backup server for resource hierarchies on other servers. For example, the configuration example below shows two active/active pairs of servers. Server 1 is processing AppA, but also…

Deleting a SQL Hiearchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Deleting a SQL Hiearchy

Before deleting a SQL hierarchy or instance, make sure that the hierarchy is active (green) on its primary server. You may also wish to remove the dependencies before deleting the hierarchy; otherwise, the dependencies will be deleted also. To delete a resource…

Recovering From Databases in Suspect State After a Switchover

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Recovering From Databases in Suspect State After a Switchover

A database which gets marked as suspect may be caused by starting Microsoft SQL Server when the volume(s) on which it resides is unavailable to this system. When SIOS Protection Suite is used to protect SQL databases, the starting and stopping of SQL should be…

Connecting To A Cluster

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Common Tasks » Connecting To A Cluster

From the File Menu or the Global Toolbar, select Connect. In the Server Name field of the Cluster Connect Dialog, enter the name of a server within the cluster to which you want to connect. Note: If using an IPv6 address, this address will need to be enclosed…

Connecting ODBC Clients to Named Instances of SQL Server

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » Troubleshooting » Connecting ODBC Clients to Named Instances of SQL Server

Symptom: After creating an ODBC connection to your SIOS Protection Suite cluster via the protected IP address, the connection fails after switching the SQL resource to the backup server. Suggested Action: Take each instance out of service and bring it back into…

Extending a SQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Extending a SQL Hierarchy

This operation can be started from the Edit menu or initiated automatically upon completing the Create Resource Hierarchy option, in which case you should refer to Step 2 below. From the Edit menu, select Resource then Extend Resource Hierarchy. The Pre-Extend…

Restore and Health Check Account Failures

SIOS Protection Suite for Windows » Troubleshooting » Restore and Health Check Account Failures

Symptom Some recovery kits monitor protected resources by performing query operations that simulate user and/or client activity. This provides SIOS Protection Suite with accurate status information about a protected application or service. It also requires that a…

Using a Non-Admin Local System Account on Target System

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Installation » Using a Non-Admin Local System Account on Target System

There are certain cases where the SQL Server service account (sql_svc) cannot be added to the local admin or domain admin groups. In such cases, there will be permission problems on the files for that service account. Users will notice “Access Denied” errors like…

Creating the PostgreSQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Server Configuration Considerations » Creating the PostgreSQL Hierarchy

After you have completed the necessary setup tasks outlined in the SIOS Protection Suite for Windows Installation Guide, use the steps listed below to create the PostgreSQL Server hierarchy to protect your database cluster. Important If you have…

Deleting a PostgreSQL Hiearchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Server Configuration Considerations » Deleting a PostgreSQL Hiearchy

Before deleting a PostgreSQL hierarchy or instance, make sure that the hierarchy is active (green) on its primary server. You may also wish to remove the dependencies before deleting the hierarchy; otherwise, the dependencies will also be deleted. To delete a resource…

Creation of iSCSI Virtual Disks

SIOS DataKeeper for Windows Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012 » Creation of iSCSI Virtual Disks

Perform the following on the primary server, wherever the iSCSI Target server is online at the moment. From Server Manager, navigate to File and Storage Services and select iSCSI. Click on the link “To create an iSCSI virtual disk, start the New iSCSI Virtual Disk…

High-Speed Storage Best Practices

SIOS DataKeeper for Windows Technical Documentation » Configuration » High-Speed Storage Best Practices

Configure Bitmaps If the DataKeeper default bitmap location (%ExtMirrBase%\Bitmaps) is not located on high-speed storage, you should move the bitmaps to a high-speed storage device in order to eliminate I/O bottlenecks with bitmap access. To do this, allocate a small…

CREATEMIRROR

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » CREATEMIRROR

EMCMD CREATEMIRROR [options] This command creates a mirror between two machines, using the same drive letter on each. The parameters are: This is the IP address of the source system (see Note below). This is the drive letter…

Relocation of Intent Log

SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Relocation of Intent Log

To relocate the Intent Log (bitmap file), please perform the following on all servers involved: *LEAVE THE MIRROR IN THE MIRRORING STATE! Do not pause it and then move the bitmap file. If you have more than one DataKeeper mirror, move all mirrors to a single system…

Configuring GUI Users

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » LifeKeeper GUI User Accounts » Configuring GUI Users

There are three classes of GUI users with different permissions for each. Users with Administrator permission throughout a cluster can perform all possible actions through the GUI. Users with Operator permission on a server can view configuration and status…

GUI Error Messages

SIOS Protection Suite for Windows » Troubleshooting » GUI Error Messages

Description Error 101: Illegal argument was passed. Error 102: This program requires a Java Virtual Machine Version 1.5 or greater to run properly. Please refer to the LifeKeeper GUI documentation to verify your setup. Error 103: Could not set Look and Feel for…

Extending a PostgreSQL Hierarchy

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Server Configuration Considerations » Extending a PostgreSQL Hierarchy

This operation can be started from the Edit menu or initiated automatically upon completing the Create Resource Hierarchy option, in which case you should refer to Step 2 below. From the Edit menu, select Resource then Extend Resource Hierarchy. The Pre-Extend…

Configuration for Unattended Connections

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » Configuration for Unattended Connections

During the creation of a SIOS Protection Suite PostgreSQL resource, the user must enter a PostgreSQL administrative username for that database cluster. No password is requested for this username by the PostgreSQL recovery kit. Therefore, for the connection tests…

LifeKeeper Oracle Recovery Kit Recovery Variables

SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Hierarchy Administration » LifeKeeper Oracle Recovery Kit Recovery Variables

The LifeKeeper Oracle Recovery Kit installation creates 3 registry entry variables stored in the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\SIOS\LifeKeeper\RK\ORAapp MAXWAIT is a decimal integer that specifies the number of seconds that the recovery kit will…

Viewing the Status of Resources

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Common Tasks » Viewing the Status of Resources

The status or state of a resource is displayed in two formats: global resource status (across all servers) and server resource status (on a single server). The global resource status is shown in the Resource Hierarchy Tree in the left pane of the status window. The…

Resource Context Menu

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » LifeKeeper GUI » Menus » Resource Context Menu

The resource context menu appears when you right-click on a global (cluster-wide) resource, as shown above, or a server-specific resource instance, as shown below, in the status table. The default resource context menu is described here, but this menu might be…

Resources Subdirectories

SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » Resources Subdirectories

The filesys, comm, WebServer, database, mail and appsuite directories each contain a resources subdirectory. The content of those directories provides a list of the resource types that are currently defined and managed by SIOS Protection Suite: filesys resource…

CHANGEMIRRORENDPOINTS

SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » CHANGEMIRRORENDPOINTS

EMCMD CHANGEMIRRORENDPOINTS This command is used to change the replication IP addresses within systems that are already part of a DataKeeper job for the given volume. Note: This command supports changing the endpoints of a mirrored volume that is configured on 3…

GUI Network Related – Unknown Host Exception Message Generated During Connection Attempt

SIOS Protection Suite for Windows » Troubleshooting » GUI Network Related – Unknown Host Exception Message Generated During Connection Attempt

Symptom Unknown Host Exception Message Generated During Connection Attempt. The LifeKeeper GUI Client and Server use Java RMI (Remote Method Invocation) technology to communicate. For RMI to work correctly, the client and server must use resolvable hostname or IP…