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Modifying Quick Check Interval, Deep Check Interval and Local Recovery

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Hierarchy Administration » Modifying Quick Check Interval, Deep Check Interval and Local Recovery

The default values for the quick check interval, deep check interval and local recovery may be modified after the resource has been placed under LifeKeeper protection by using the LifeKeeper GUI. To change the default values, right-click on the resource and select the…

IP Resource Create Issue

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Troubleshooting » IP Resource Create Issue

Symptom IP resource Pre-Extend Wizard can fail if new IP address partially matches an existing IP address. Workaround Currently no workaround is available. This will be addressed in a future release.

Managing IP Resources

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Recovery Operations

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Testing Your IIS Resource Hierarchy » Recovery Operations

When the primary server fails, the LifeKeeper Microsoft IIS Recovery Kit software performs the following tasks: Brings the IIS resource hierarchy into service on the backup server by bringing In Service the IP address(s) on one of that server’s physical network…

LifeKeeper Oracle Recovery Kit Recovery Variables

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Recovery Kit Requirements

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Application Recovery Kits

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Recovery Kit Installation

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Installation » Recovery Kit Installation

Before installing the LifeKeeper Oracle Recovery Kit, be sure you are familiar with the product prerequisites listed above, as well as the installation/configuration procedure outlined in the section Installing and Configuring LifeKeeper with Oracle. Upgrading…

Recovery Kit Installation

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Split-Brain Recovery

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication » Split-Brain Recovery

After the system’s comm paths have been restored and the servers detect that the volumes are in the Split-Brain state, you will have to perform the Split-Brain Recovery procedure below. Note: If multiple volumes are detected in different resource hierarchies,…

Recovery Kit Requirements

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Split-Brain Issue and Recovery

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Using a Non-Admin Local System Account on Target System

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

SIOS Protection Suite Oracle Recovery Kit Introduction

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Remove Hangs During Recovery Kit Uninstall

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Troubleshooting » Remove Hangs During Recovery Kit Uninstall

Symptom If a recovery kit is uninstalled while there are resource hierarchies of that kit in service, the Remove hangs. To avoid this situation, it is recommended to always take a recovery kit’s resource hierarchies Out of Service and delete them before…

Changing LifeKeeper Microsoft IIS Recovery Kit Configuration

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Hierarchy Administration » Changing LifeKeeper Microsoft IIS Recovery Kit Configuration

Any configuration change that affects the port number, IP address, hardware virtual servers or secure/non-secure setting, will affect the LifeKeeper configuration. As there is no direct linkage between the server and this kit, you should follow this procedure to…

Tunable Settings for the PostgreSQL Recovery Kit

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Tunable Settings for the PostgreSQL Recovery Kit

The PostgreSQL Recovery Kit provides tunable environment variables to help customize resource protection in certain scenarios. To change the values of these variables, edit the file %LKROOT%\etc\default\LifeKeeper. No processes need to be restarted for the new settings…

Install and Configure SIOS Protection Suite and Recovery Kits

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Licensing – Licensed Recovery Kit Resource Fails to Come In Service

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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 )…

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

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

IIS Overview

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Hardware and Software Requirements

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

IIS Failover

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Hierarchy Administration » IIS Failover

A failover occurs in two situations: The first situation is when the hardware or operating system has suffered a major failure and the server is no longer functioning. The LifeKeeper core on the backup server detects this when its heartbeat messages fail. At that…

Oracle Overview

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Overview

The LifeKeeper Oracle Recovery Kit provides the ability to concurrently run Oracle database instances on other servers, and to optionally place these instances under LifeKeeper protection. Such a configuration is known as Active/Active and allows LifeKeeper servers to…

SQLAgent Service Fails to Start

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Before Installing Oracle

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Monitoring Your PostgreSQL Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Monitoring Your SQL Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

IIS Hierarchy Administration

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Hierarchy Administration

The topics in this section assist in the administration of IIS hierarchies. _____________________________________________________________________________________________________________________________________________________ Modifying Quick Check Interval, Deep Check…

Installation – Shared Storage Systems

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

IIS Configuration Considerations

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Installation – Replicated Storage Systems

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Use Different Volume for Multiple IIS Sites

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Configuration Definitions and Restrictions » Use Different Volume for Multiple IIS Sites

When the LifeKeeper Microsoft IIS Recovery Kit creates an IIS resource hierarchy, it creates dependencies associated with the IP address and content volume using the home directory path designated in the IIS configuration. We recommend that if you protect multiple…

Access Via Protected Communication Paths

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » Access Via Protected Communication Paths

All remote access of the service should be done through the hierarchy’s LifeKeeper network resources. This will ensure that users can access the PostgreSQL database cluster regardless of which server it is currently running on. *Note: Currently the PostgreSQL…

Deploying DataKeeper Cluster Edition in Azure

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » 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…

Extending a Clustered DataKeeper Volume to a Node Outside the Cluster

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Creating the SQL Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Resources Subdirectories

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Installing and Configuring IIS with LifeKeeper

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

SIOS Protection Suite Configuration Steps

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Resource Hierarchy for Oracle

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Resource Hierarchy for Oracle

The typical Oracle resource hierarchy consists of the following resources: Oracle Shared communication resource (IP or LAN Manager alias name) Volume(s) All Oracle data, log, and trace (core database) files for the protected SID are stored on shared or…

Resource Context Menu

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

N-Shared-Disk Replicated to One

SIOS DataKeeper for Windows Technical Documentation » User Guide » Getting Started » N-Shared-Disk Replicated to One

This configuration allows you to replicate the shared volume(s) of the primary site to a remote system across the network. This configuration is ideal for providing local failover within the Primary Site and disaster recovery protection should the entire Primary…

Creating the PostgreSQL Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

SWITCHOVERVOLUME

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

EMCMD SWITCHOVERVOLUME [-f] This command attempts to make the given system become the source for the requested volume. This command is for internal use only. The parameters are: This is the IP address of the system to become source. Note: Use the…

SETSNAPSHOTLOCATION

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

EMCMD SETSNAPSHOTLOCATION “” This command sets the snapshot location (directory path) for the given volume on the given system. The directory must be valid on the system in question, must be a local drive/path, must be an absolute path and cannot be left…

PREPARETOBECOMETARGET

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

EMCMD PREPARETOBECOMETARGET This command should only be used to recover from a Split-Brain condition. It should be run on the system where the mirror is to become a target and is only valid on a mirror source. This command causes the mirror to be deleted and the…

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.…

SQL Server Services

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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 …

Troubleshooting

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Replicated Volume Switchover Failure

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Troubleshooting » Replicated Volume Switchover Failure

Description If the DELETEMIRROR command fails during switchover of a replicated volume, the following error message will display in the Output panel: *WARNING* (No. 12104) Delete mirror action for volume R: failed with status 51 (command=C:/SDR/EMCmd10.10.1.2…

Install and Configure Microsoft IIS on All Servers

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Install and Configure Microsoft IIS on All Servers

The next step is to configure Microsoft IIS on all the servers in your cluster. Install and Configure Microsoft IIS Web or FTP Site To create a Web site or FTP site pair, you need to add a new site on each server and configure the pair to be identical, or you can…

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 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…

Configuration for Unattended Connections

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Licensing – License Key Not Found

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

LifeKeeper Communications Manager (LCM)

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

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

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

GUI Network Related – Long Connection Delays on Windows Platforms

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Troubleshooting » GUI Network Related – Long Connection Delays on Windows Platforms

Symptom Long Connection Delays on Windows Platforms. Solution From Sun FAQ: “Most likely, your host’s networking setup is incorrect. RMI uses the JavaAPI networking classes, in particular java.net.InetAddress, which will cause TCP/IP host name lookups for both…

Oracle Hierarchy Administration Guidelines

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Hierarchy Administration » Oracle Hierarchy Administration Guidelines

Follow these guidelines for administering your Oracle hierarchy: Access via protected communication paths. To ensure that users can access the Oracle SID, regardless of the physical system on which it is running, all remote access of the database should be done…

GETJOBINFOFORVOL

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

EMCMD GETJOBINFOFORVOL [|] This command displays job information related to a specific volume on a specific system.

Document Content Location

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Server Not Responding

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Troubleshooting Tips » Server Not Responding

TCP/IP Client Cannot Access Server (Server Not Responding) After a Successful Switchover by LifeKeeper Insight The client system has old information in its IP-to-Physical address translation table used by address resolution protocol (arp). Suggestion The IP address…

Installation

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Installation

Oracle Installation The LifeKeeper Oracle Recovery Kit is available via ftp download. Installation is simple and quick using InstallShield to provide a standard installation interface.

Testing Your IIS Resource Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Testing Your IIS Resource Hierarchy

The topics in this section assist in testing your IIS resource hierarchy. _____________________________________________________________________________________________________________________________________________________ Performing a Manual Switchover from the…

Windows Server 2012 Default Information Missing During Mirror Creation

SIOS DataKeeper for Windows Technical Documentation » NO TOC » Windows Server 2012 Default Information Missing During Mirror Creation

Creating Mirrors with Multiple Targets The first issue is during mirror creation in a multi-target configuration. In the final step, the user is prompted for secondary relationship information. In previous OS versions, a default Source IP is provided on this…

Installing Oracle

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Installation » Installing Oracle

Once you have installed LifeKeeper and configured the volume and communication resources, you are ready to install Oracle to the protected volume(s). Oracle 12c Installation: Oracle12c introduces some new installation options. The following options for software and…

Kit Removal

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Installation

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Additional Setup Tasks for Extended Configurations

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Removal

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Bring In Service Failed

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Troubleshooting Tips » Bring In Service Failed

Suggestion Check to see if any other Oracle resource is already in service on the system you are trying to bring in service and/or that shared volumes can be accessed from this system. If additional time is required for the Oracle service to reach the running state,…

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…

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

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Connecting to a Server

SIOS DataKeeper for Windows Technical Documentation » User Guide » Setup » Connecting to a Server

Use this dialog to connect to the server of your choice. You may enter the IP address, system NetBIOS name or the full system domain name for the server. Click Connect to select it.

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…

LCDI Commands

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

LifeKeeper Configuration Database (LCD)

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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,…

Recovering After a Failover

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Data Replication

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Adding a Shared System

SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Shared Volumes » Adding a Shared System

To add a shared system to either the source or target side of a mirror, you must be connected to that system. You can connect to the system prior to starting the Manage Shared Volumes dialog, or you can click Connect to Server from within the dialog. In either case,…

SQL Server Installation

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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 DataKeeper for Windows Technical Documentation » NO TOC » 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,…

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…

SQL 2008

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Troubleshooting » SQL 2008

Symptom When using SQL 2008, after a switchover or a failover, the variable servername still points to the primary system. Solution You can use “select SERVERPROPERTY(‘ServerName’)” instead of using the variable @ @servername. This query will…

LCD Directory Structure

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Oracle Services

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Services

The LifeKeeper Oracle Recovery Kit protects the following Core/Standard Oracle services: Oracle Service Oracle TNS Listener The LifeKeeper Oracle Recovery Kit protects the following Optional Services for each release: Optional 10g Services Optional…

Mirror Properties

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

Select a job in the Job Summary pane and right-click to choose Mirror Properties. This dialog displays the following information about the job, source and target systems: Job Name State (current state of the job; for example, Active) Source…

LCD Resource Types

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Advanced Topics » LCD Resource Types

The LCD is maintained in both shared memory and in the $LKROOT directory. As highlighted on the directory structure diagram, subsys contains application resource sets you can use to define your application interface: filesys – file system related resources…

Remote Users Cannot Log In ORA 12504 or ORA 12514 or ORA 12541

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Troubleshooting Tips » Remote Users Cannot Log In ORA 12504 or ORA 12514 or ORA 12541

Insight Oracle connect issues indicate Oracle TNS setup issues are not caused by LifeKeeper. Suggestion Do the following: Read the specific Oracle error and message Using Oracle Net Manager, make certain that the listener and the TNS names are configured…

Create Hierarchy Failed

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Troubleshooting Tips » Create Hierarchy Failed

Suggestion Check the following: All volumes and communications resources (IP and/or LAN Manager) associated with the SID should already be under LifeKeeper protection. All the shared or replicated volumes are available to the primary server and all volumes are…

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…

Change Mirror Endpoints

SIOS DataKeeper for Windows Technical Documentation » FAQs » Change Mirror Endpoints

Question Can I change the mirror endpoints (IP address) of a system currently associated with an existing mirror? Answer Yes. The EMCMD called CHANGEMIRRORENDPOINTS allows you to change the endpoints of a mirrored volume that is configured on 3 nodes or fewer. (If…

User Resource Name For Remote Access

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » User Resource Name For Remote Access

Unless the application is cluster-aware, when using Microsoft SQL Enterprise Manager to administer the service, you should register it by the switchable resource name (the name by which users access the server using TCP/IP). This gives you a continuous monitor of the…

Recovering Out-of-Service Hierarchies

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Manual Switchover

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Hierarchy Administration » Manual Switchover

Manual switchover can be performed from the LifeKeeper GUI using the In Service option. LifeKeeper will move the switchable IP addresses, volume and the IIS Web/FTP/SMTP site to the other server. You may wish to do this, for example, after a failover and you have fixed…

Manually Configure Oracle 11g DB Console

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Hierarchy Administration » Manually Configure Oracle 11g DB Console

You must manually configure Oracle 11g DB Console to use the protected virtual IP address or LAN Manger Alias so that the service will start successfully on all systems in the cluster. On the primary, edit \_\sysman\config\emoms.properties Set the property…

Extending a Single SQL Server Node to a Cluster

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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:…

Installing and Configuring SQL Server with SIOS Protection Suite

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Changing the Network Interface Card (NIC)

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Hierarchy Administration » Changing the Network Interface Card (NIC)

The procedure for changing the Network Interface Card (NIC) depends upon whether the replacement NIC is the same type of card as the original. If the NIC is exactly the same model, you only need to power down the system, replace the card, and then restart the system;…

Restore Fails

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » Troubleshooting » Restore Fails

Symptom: The Restore of a PostgreSQL Server resource will fail after switchover if the database cluster data directory access permissions are configured incorrectly. Suggested Action: Verify the access permissions are configured correctly. See step 3 in Creating and…

Configuring GUI Users

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Understand Manual Switchover Limitations in SQL Server Environment

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft SQL Server Recovery Kit Introduction » SQL Server Hierarchy Administration » Understand Manual Switchover Limitations in SQL Server Environment

Any manual action requires that all users be logged off of the SQL Server resources. Local processes that have read-only access to volumes do not prevent removal of a resource from service but may cause a restore to fail when you try to switch back. Examples might be…

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…

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…

Maintenance Tasks

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

RESYNCMIRROR

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

EMCMD RESYNCMIRROR [] This command forces the mirror to be fully resynced. The parameters are: This is the source system name. This is the drive letter of the mirror that should be resynced. This is the IP…

Symptoms and Solutions

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Troubleshooting » Symptoms and Solutions

SYMPTOM Identical sites are created on both the primary and the secondary servers, but the sites are not displayed in the Site Name list in the Create Resource Wizard. SOLUTION Check that the same optional parameters are specified and their values are also the…

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 …

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…

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…

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…

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…

Uninstalling SPS for Windows

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Install and Configure SMTP Virtual Server

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Install and Configure SMTP Virtual Server

Follow the steps below to create an SMTP Virtual Server. You need to add a new virtual server on each system and configure the pair to be identical. Use the LifeKeeper GUI to bring the switchable IP address and protected volume, if any, in-service on the primary…

GUI Network Related – NoRouteToHostException Message Generated During Connection Attempt

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Troubleshooting » GUI Network Related – NoRouteToHostException Message Generated During Connection Attempt

Symptom NoRouteToHostException Message Generated During Connection Attempt. A socket could not be connected to a remote host because the host could not be contacted. Solution Typically, this indicates that some link in the network between the local and remote…

DataKeeper User Guide

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Restore and Health Check Account Failures

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Creating a Mirror

SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors » Creating a Mirror

Before creating a mirror, ensure the following: You have created a job to hold the mirror. The volume on both the source and target systems must be of the NTFS file system type. The target volume must be greater than or equal to the size of the source…

CLEARSNAPSHOTLOCATION

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

EMCMD CLEARSNAPSHOTLOCATION This command clears the snapshot location (directory path) for the given volume on the given system. Once this command executes successfully, snapshots will be disabled for the given volume. The parameters are: This is…

DELETELOCALMIRRORONLY

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

EMCMD DELETELOCALMIRRORONLY [] This command deletes the mirror only on the it is issued on. It handles the case when a mirror ends up with a target and no source or source and no target. The parameters are: This can be either the source or the…

PAUSEMIRROR

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

EMCMD PAUSEMIRROR [] This command forces the mirror into a Paused state. The parameters are: This is the source system of the mirror to pause. Running the PAUSEMIRROR command on the target has no effect. The drive letter of the…

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…

IIS Configuration

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Configuration Definitions and Restrictions » IIS Configuration

The following configuration rules must be followed to ensure LifeKeeper protection: IIS sites that do not have IP addresses specified in the “IPAddress” field of the Properties or Bindings form cannot be protected. If using a shared or replicated…

SQL Server Hierarchy Administration

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

BREAKMIRROR

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

EMCMD BREAKMIRROR [] This command forces the mirror into a Broken state. Breaking the mirror will cause a full resync to occur when the mirror is continued or resynced. The parameters are: This is the source system of the mirror to break. Running…

DELETEMIRROR

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

EMCMD DELETEMIRROR [] This command deletes the mirror from both the source and the target if is a source. If is a target, it will delete the target side of the mirror only if the source system is down. The parameters are: This can be either the…

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…

Setup of iSCSI Initiator on Windows 2012

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

Once the virtual disks/targets are created, each of the cluster servers must initiate a connection to them via Microsoft’s iSCSI Initiator. From “Administrator Tools” in “Server Manager”, start “iSCSI Initiator”. Select the “Targets” tab and…

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: …

LifeKeeper GUI User Accounts

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

What is Split-Brain

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Configuring Secure Servers

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Configuration Definitions and Restrictions » Configuring Secure Servers

A secure server is a web server that uses Secure Socket Layers (SSL) for communication. Security is improved because the data sent and received are encrypted and because the web client and the web server can identify one another. Secure servers use https: rather than…

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…

Clustering

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Identical Primary Backup Web Sites

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Configuration Definitions and Restrictions » Identical Primary Backup Web Sites

For each primary IIS site, you must create an identical backup IIS site on the other server. These two servers must be connected by a LifeKeeper heartbeat. In order for the primary and backup sites to be identical, the following criteria must be met: The site names…

Connecting ODBC Clients to Named Instances of SQL Server

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Configuring SPS for Multibyte Language Encodings

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Configuration » Configuring SPS for Multibyte Language Encodings

LifeKeeper can operate in all system locales that are supported by Windows. However, locales that use multibyte character encodings (such as Japanese, Chinese, Korean, and other Eastern languages) may require that LifeKeeper be configured to use the correct encoding…

Oracle Resource Configuration Tasks

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Resource Configuration Tasks

Once you have completed the setup tasks as described in the previous section, you are ready to create and extend your Oracle resource hierarchies. The following four tasks are described in this guide, as they are unique to an Oracle resource instance and different for…

Deleting an Oracle Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Resource Configuration Tasks » Deleting an Oracle Hierarchy

Before deleting an Oracle 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. Deleting an Oracle…

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. …

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

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

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…

Additional Setup Tasks for Extended Configurations

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Performing Rewind on Replicated Volume Resources

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication » Performing Rewind on Replicated Volume Resources

To perform a rewind operation on a replicated volume resource using the LifeKeeper GUI, right-click on the replicated volume resource and select Rewind Target Volume from the context menu. If you have the Properties panel enabled (View->Properties Panel), select the…

CONTINUEMIRROR

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

EMCMD CONTINUEMIRROR [] This command forces a paused or broken mirror to resume mirroring. On successful completion of the resync (full or partial), the mirror state is changed to Mirroring. This command will not automatically relock the target volume if it is…

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…

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…

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…

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…

Common Hardware Components

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Configuring Generic Application Scripts

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

SIOS Protection Suite for Windows Support Matrix

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

N-Shared-Disk Replicated to N-Shared-Disk

SIOS DataKeeper for Windows Technical Documentation » User Guide » Getting Started » N-Shared-Disk Replicated to N-Shared-Disk

This configuration replicates data between sites where each site utilizes shared storage. Note that the number of systems in the Primary Site does not have to equal the number of systems in the Remote Site. Also note that only the Source Server has access to the…

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…

Components

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Server Configuration Considerations

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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,…

SQL Server Configuration Considerations

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

DataKeeper Cluster Edition Release Notes

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » 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…

WSFC 2012 File Server Resource Manager Event Log Errors

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Viewing the Status of Resources

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Configuration Definitions and Restrictions

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » Installation » Configuration Definitions and Restrictions

Active/Active Configuration IIS allows multiple Web and FTP sites and SMTP virtual servers to run on each server in a cluster. Only a single instance of the IIS software is allowed (or required) on a given system. The Web sites, FTP sites and SMTP virtual servers can…

IIS Active Active

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Configuration Definitions and Restrictions » IIS Active Active

IIS allows multiple Web and FTP sites and SMTP virtual servers to run on each server in a cluster. Only a single instance of the IIS software is allowed (or required) on a given system. The Web sites, FTP sites and SMTP virtual servers can be protected and managed…

SIOS DataKeeper Cluster Edition Introduction

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Create an IIS Resource Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Microsoft Internet Information Services Recovery Kit Introduction » IIS Resource Configuration Tasks » Create an IIS Resource Hierarchy

Before creating your IIS hierarchy, be sure you have created the associated IP and volume (if needed) resource hierarchies first. To create a resource instance from the primary server, you should complete the following steps: From the LifeKeeper GUI menu, select…

Silent Installation

SIOS DataKeeper for Windows Technical Documentation » NO TOC » DataKeeper Cluster Edition Installation Guide » Installation » Silent Installation

Silent Installation of DataKeeper Cluster Edition *To perform the silent installation for SIOS Protection Suite for Windows, you must contact Support to get separate LifeKeeper and DataKeeper installation files. You can install DataKeeper Cluster Edition for Windows…

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…

Performing Actions on Replicated Volumes

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication » Performing Actions on Replicated Volumes

To perform actions on a replicated volume resource using the LifeKeeper GUI, right-click on the replicated volume resource and select the action you wish to perform from the context menu. If you have the Properties Panel enabled (View->Properties Panel), the resource…

Data Rewind Overview

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » SIOS Protection Suite for Windows User Guide » Data Replication » Data Rewind Overview

Data Rewind allows administrators to change the contents of a replicated volume to any point in time using rewind and advance operations. This capability is made possible through the Rewind Log which records all data changes that occur on the volume. As long as a…

Creating an Oracle Hierarchy

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite Oracle Recovery Kit Introduction » Oracle Resource Configuration Tasks » Creating an Oracle Hierarchy

After you have completed the necessary setup tasks, use the following steps to define the Oracle Server hierarchy to protect your database(s). From the LifeKeeper GUI menu, select Edit, then Server. From the menu, select Create Resource Hierarchy. The Create…

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

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Switchover in an N-Shared x N-Shared Configuration

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Configuring the Postmaster Port Argument

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » Configuring the Postmaster Port Argument

To properly manage the PostgreSQL database cluster the PostgreSQL Recovery Kit requires the postmaster process to be running with the port argument: “-p port”. The port is required to create a PostgreSQL resource hierarchy and for monitoring once the hierarchy is…

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 using Regedt32. The first section contains entries that may be modified; the second section contains entries that are for viewing only and should not be…

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

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

Running the SIOS Protection Suite Web Client

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

LCD Configuration Data

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

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…

Creating and Protecting Additional PostgreSQL Database Clusters

SIOS DataKeeper for Windows Technical Documentation » NO TOC » SIOS Protection Suite for Windows » Application Recovery Kits » SIOS Protection Suite PostgreSQL Server Recovery Kit Introduction » PostgreSQL Server Hierarchy Administration » Creating and Protecting Additional PostgreSQL Database Clusters

As your environment grows, you may need to add new PostgreSQL Server database clusters on existing or new shared or replicated volumes. To add and protect a new database cluster and the associated volume follow these steps: Create the volume resource. On the server…

GUI Overview

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

Taking Volume Resources In and Out Of Service

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…

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…

DataKeeper Volume Resource Private Properties

SIOS DataKeeper for Windows Technical Documentation » NO TOC » 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…

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…