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DataKeeper Notification Icon

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » DataKeeper Notification Icon

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

Event Log Considerations

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » Event Log Considerations

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

SIOS DataKeeper Intent Log

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » 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…

DataKeeper

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper

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

DataKeeper Service Log On ID and Password Selection

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » 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 Intent Log files on AWS Ephemeral Storage

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » DataKeeper Intent Log files on AWS Ephemeral Storage

DataKeeper systems that are running on AWS instances which are configured with local instance storage (i.e. ephemeral disks) can use the instance storage to store DataKeeper intent log files (i.e. bitmap files). It is important to be sure that when using AWS ephemeral…

DataKeeper Service Log On ID and Password Selection

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

System Event Log – Create Mirror Failed in the GUI

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

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

DataKeeper Components

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » 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…

DataKeeper Administration

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration

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

DataKeeper Configuration

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Configuration

Requirements/Considerations The topics in this section identify several prerequisites to be aware of before implementing your DataKeeper configuration. Sector Size Network Bandwidth Network Adapter Settings DataKeeper Service Log On ID and Password…

DataKeeper Troubleshooting

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting

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

Error Messages Log

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » FAQs » Error Messages Log

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

Log Viewer Dialog

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » User Guide » Common Tasks » Viewing Server Log Files » Log Viewer Dialog

The Log Viewer dialog may be accessed from the server context menu or the toolbar. This dialog displays a limited view of the log files maintained by LifeKeeper. When accessed from the toolbar, you can look at log files for any server by changing the selected server in…

DataKeeper Volume Resize

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » Working With Mirrors » DataKeeper Volume Resize

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

DataKeeper Target Snapshot

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » DataKeeper Target Snapshot

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

DataKeeper User Guide

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » 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…

Viewing Server Log Files

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » User Guide » Common Tasks » Viewing Server Log Files

To view server log files: Select a server and then select View Logs from the Server Context Menu or Server Context Toolbar. This will bring up the Log Viewer Dialog. When you are finished, click OK to close the dialog.

Relocation of Intent Log

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » Introduction » Understanding Replication » Relocation of Intent Log

To relocate the Intent Log (bitmap file), please perform the following on all servers involved: *LEAVE THE MIRROR IN THE MIRRORING STATE! Do not pause it and then move the bitmap file. *Note: DataKeeper only supports bitmaps on NTFS filesystems. If the bitmaps are on…

DataKeeper Volume Resize Restriction

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Restrictions » DataKeeper Volume Resize Restriction

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

Most Common DataKeeper Solutions

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Most Common DataKeeper Solutions

The following are the most commonly requested DataKeeper related solutions. Remove a DataKeeper Resource from LifeKeeper Scenario: Remove an existing DataKeeper Resource/Mirror from LifeKeeper/SPS: Without impacting the existing resources in LifeKeeper/SPS, i.e.…

Setting Up SIOS DataKeeper

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » Setting Up SIOS DataKeeper

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

Setting Up SIOS DataKeeper

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » Setting Up SIOS DataKeeper » Setting Up SIOS DataKeeper

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

DataKeeper Service (ExtMirrSvc) Message Catalog

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Message Catalogs » DataKeeper Service (ExtMirrSvc) Message Catalog

Use Control F to search for a specific error code. Code Severity Message Cause/Action 17 Info The SIOS DataKeeper Service version %1 is starting. 18 Warning The SIOS DataKeeper Service has been…

Using DKPwrShell with SIOS DataKeeper

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » Using DKPwrShell with SIOS DataKeeper

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

DataKeeper GUI (SDRSnapIn) Message Catalog

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Message Catalogs » DataKeeper GUI (SDRSnapIn) Message Catalog

Use Control F to search for a specific error code. Code Severity Message Cause Action 0 Error SDRDataKeeperService: Mirror creation failed, rolling back the job endpoint. 0 Warning…

DataKeeper Driver (ExtMirr) Message Catalog

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Message Catalogs » DataKeeper Driver (ExtMirr) Message Catalog

Use Control F to search for a specific error code. Code Severity Message Cause Action 1 Info The SteelEye DataKeeper driver version 7.0 has started successfully. 2 Error The…

Using EMCMD with SIOS DataKeeper

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

Bitlocker Does Not Support DataKeeper

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Restrictions » Bitlocker Does Not Support DataKeeper

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

Remove DataKeeper Storage from LifeKeeper

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Troubleshooting » Remove DataKeeper Storage from LifeKeeper

To remove an existing DataKeeper Resource/Mirror from LifeKeeper/SPS: Without impacting the existing resources in LifeKeeper/SPS, i.e. File Shares, Oracle, SQL, DNS Without having to run various emcmd commands, e.g. deletelocalmirroronly, cleanupmirror Note:…

Error 1265 when running DataKeeper Takesnapshot

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Configuration » DataKeeper Service Log On ID and Password Selection » Error 1265 when running DataKeeper Takesnapshot

PROBLEM: Taking a snapshot when running the command on the target system with DataKeeper fails with error 1265. C:\Program Files (x86)\SIOS\DataKeeper>emcmd (target-server-name) TAKESNAPSHOT (volume-letter of mirrored volume) Status = 1265 emcmd (target system…

Creating a DataKeeper Volume Resource in WSFC

Creating a DataKeeper Volume Resource in WSFC

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

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…

DataKeeper Volume Not Available as Cluster Resource Type

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Known Issues and Workarounds » DataKeeper Volume Not Available as Cluster Resource Type

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

Overview of SIOS Protection Suite/LifeKeeper Event Forwarding via SNMP

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Administration » Overview of SIOS Protection Suite/LifeKeeper Event Forwarding via SNMP

The Simple Network Management Protocol (SNMP) defines a device-independent framework for managing networks. Devices on the network are described by MIB (Management Information Base) variables that are supplied by the vendor of the device. An SNMP agent runs on each…

Using Microsoft iSCSI Target With DataKeeper on Windows 2012

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

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

Antivirus Software Exclusion List for LifeKeeper and DataKeeper for Windows

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Known Issues and Workarounds » Antivirus Software Exclusion List for LifeKeeper and DataKeeper for Windows

Description Antivirus software stops LifeKeeper from updating a LifeKeeper registry key. Antivirus software also quarantines LifeKeeper and DataKeeper executables causing LifeKeeper and DataKeeper not to run properly. Suggested Action List of things to exclude in…

Remove DataKeeper Storage from a Windows Server Failover Cluster Role

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » FAQs » Remove DataKeeper Storage from a Windows Server Failover Cluster Role

To remove an existing DataKeeper Resource/Mirror from Windows Server Failover Clustering: Without impacting the existing role in WSFC, i.e. File Shares, SAP, Oracle, SQL Without having to run various emcmd commands, e.g. deletelocalmirroronly,…

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

Application Recovery Kits » SIOS Protection Suite/LifeKeeper 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…

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

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

DKSUPPORT

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » DKSUPPORT

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

IMPORTANT NOTICE

SIOS Protection Suite/LifeKeeper for Windows Release Notes » IMPORTANT NOTICE

During a review of the current releases of SIOS Protection Suite for Windows and DataKeeper Cluster Edition, we discovered a memory leak issue in ExtMirrSvc.exe within DataKeeper. This issue is limited to SIOS Protection Suite/LifeKeeper for Windows and DataKeeper …

User Interface – Failed to Create Mirror

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

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

Windows Server 2012 MMC Snap-in Crash

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

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

Failed to Create Mirror

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

MaxResyncPasses Value

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Known Issues and Workarounds » MaxResyncPasses Value

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

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

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

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

Known Issues and Workarounds

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Known Issues and Workarounds

Included below are known issues open against DataKeeper and DataKeeper Cluster Edition as well as possible workarounds and/or solutions. __________________________________________________________________________________________________________________ Access to…

UPDATEVOLUMEINFO

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » Using EMCMD with SIOS DataKeeper » UPDATEVOLUMEINFO

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

Switchover and Failover with Multiple Targets

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

Performance Tuning

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Configuration » Performance Tuning

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

lk_err

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Administration » Man Pages » lk_err

Synopsis lk_err -c Category -n Error number -p Process Name [-d {TO_LOG |TO_STDERR}] ”Message” Description This utility is used within recovery scripts to log errors to the Microsoft Event Log. It also prints messages to stderr. The arguments are: Category.…

sendevent

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Administration » Man Pages » sendevent

Synopsis %LKROOT%\bin\sendevent -C class-of-event -E event -m monitor-name -nname-of-obj-inst [-s severity] Description The event notification facility consists of two parts: an event notification mechanism (%LKROOT%\bin\sendevent) and an application registration…

Network Bandwidth

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

Primary Server Shutdown

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

DKHEALTHCHECK

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » DKHEALTHCHECK

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

Registry Entries

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » Registry Entries

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

SIOS Protection Suite/LifeKeeper for Windows Release Notes

SIOS Protection Suite/LifeKeeper for Windows Release Notes

SIOS Protection Suite/LifeKeeper for Windows *SIOS Protection Suite for Windows (SPS-W) is a bundle that includes LifeKeeper. SPS-W will now be referred to as LifeKeeper. Version 8.8.2 (Version 8 Update 8 Maintenance 2) Released January 13, 2022 …

FAQs

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » FAQs

Refer to this section for answers to the most frequently asked questions about SIOS DataKeeper. ___________________________________________________________________________________________________________________________________________________ Awareness of Windows…

Installing Core

SIOS Protection Suite/LifeKeeper Installation Guide » Installing SIOS Protection Suite/LifeKeeper » Installing Core

Installing the SIOS Protection Suite/LifeKeeper Core Software SIOS Protection Suite uses the Flexera InstallShield product to provide a standard installation interface. A license must be obtained and installed for each server in the cluster. We recommend that you…

N-Shared-Disk Replicated to One

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

Mirror State Definitions

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » Using EMCMD with SIOS DataKeeper » Mirror State Definitions

The following numbers are used by the system to internally describe the various states. They are used by EMCMD, and they are also the state numbers found in event log entries. -1: Invalid State 0: No Mirror 1: Mirroring 2: Mirror is resyncing 3: Mirror is…

Enabled VMware HA Fault Detection and Recovery Scenario

LifeKeeper Single Server Protection for Windows Technical Documentation » Administration » Enabled VMware HA Fault Detection and Recovery Scenario

The ability to provide detection and alarming for problems within an application is critical to building the best total fault resilient solution. Since every specific application varies on the mechanism and format of failures, no one set of generic mechanisms can be…

Upgrading SIOS Protection Suite/LifeKeeper

SIOS Protection Suite/LifeKeeper Installation Guide » Installing SIOS Protection Suite/LifeKeeper » Upgrading SIOS Protection Suite/LifeKeeper

You may upgrade from previous versions of SIOS Protection Suite for Windows while preserving your resource hierarchies and mirrors by using the procedure below. Upgrade Procedure The following scenario illustrates the upgrade process when upgrading both LifeKeeper…

LKSUPPORT

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Administration » LKSUPPORT

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

Licensing – License Key Not Found

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » 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 Suite…

Resynchronization

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » 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…

Updating Oracle Username and Password for LifeKeeper

Application Recovery Kits » SIOS Protection Suite/LifeKeeper Oracle Recovery Kit Introduction » Oracle Hierarchy Administration » Updating Oracle Username and Password for LifeKeeper

During the creation of a LifeKeeper Oracle resource, the user must enter an Oracle user name and password for that instance of Oracle. Should the password of this user name change at some point in the future, the LifeKeeper Oracle resource must be updated on all…

Volume Shadow Copy (VSS)

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

Using Volume Shadow Copy (VSS) with DataKeeper/LifeKeeper for Windows Volumes VSS Shadow Copy can be enabled for LifeKeeper for Windows-protected (shared or replicated) volumes. However, the following guidelines apply: VSS snapshot images must not be stored on a…

Licensing – Licensed Recovery Kit Resource Fails to Come In Service

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » 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 ) but none is…

Synchronous and Asynchronous Mirroring

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » 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…

Building an HA Cluster with SIOS Protection Suite/LifeKeeper for Windows

Microsoft Azure Guide » Building an HA Cluster with SIOS Protection Suite/LifeKeeper for Windows

Install SPS/LifeKeeper (Active System, Standby System) Contact SIOS to purchase SPS for Windows or obtain the evaluation version of the software. Email: sales@us.sios.com US: +1.617.245.6955 or toll-free (US) 866.318.0108 International: +1.617.245.6955 Place…

Break

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » Working With Mirrors » Break

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

N-Shared-Disk Replicated to Multiple N-Shared-Disk Targets

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » Getting Started » N-Shared-Disk Replicated to Multiple N-Shared-Disk Targets

This is a complex configuration which combines the aspects of replicating a shared storage environment to multiple shared targets. 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…

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

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

Uninstalling SPS/LifeKeeper for Windows

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » User Guide » Maintenance Tasks » Uninstalling SPS/LifeKeeper 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…

Uninstalling SIOS Protection Suite/LifeKeeper for Windows

SIOS Protection Suite/LifeKeeper Installation Guide » Installing SIOS Protection Suite/LifeKeeper » Uninstalling SIOS Protection Suite/LifeKeeper 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…

Continue and Lock

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper User Guide » Working With Mirrors » Continue and Lock

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

Monitoring Your SQL Hierarchy

Application Recovery Kits » SIOS Protection Suite/LifeKeeper 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…

CLEANUPMIRROR

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » CLEANUPMIRROR

C:\Program Files (x86)\SIOS\DataKeeper\Support>cleanupmirror This command can only be run locally on a node and will remove all remnants of the mirror. When to use: For mirrors that were not removed from WSFC or the DataKeeper GUI To remove mirror remnants…

Restore and Health Check Account Failures

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » 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…

Bandwidth Throttle

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Configuration » WAN Considerations » Bandwidth Throttle

In bandwidth constrained networks, DataKeeper attempts to utilize all of the available network bandwidth. If DataKeeper is sharing the available bandwidth with other applications, you may wish to limit the amount of bandwidth DataKeeper is allowed to use. DataKeeper…

Unable to Determine Previous Install Path

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

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

Message Catalogs

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Message Catalogs

DataKeeper Service (ExtMirrSvc) Message Catalog DataKeeper Driver (ExtMirr) Message Catalog DataKeeper GUI (SDRSnapIn) Message Catalog

Video Solutions

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Troubleshooting » Video Solutions

How do you resize a Volume? Summary: ISSUE: How do you resize a Datakeeper Volume? DataKeeper allows users to extend and shrink their DataKeeper volumes dynamically while retaining mirror settings. Once the resize is complete, a partial resync will be…

Restrictions

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Troubleshooting » Restrictions

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

Safety Check

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Introduction » Communication Paths » Safety Check

When all the communications paths on a server are DEAD, LifeKeeper for Windows assumes that the paired system is DEAD (or down) and attempts to fail over. However, LifeKeeper for Windows performs a safety check to ensure that the failure occurred in the server rather…

Using the -proxy option with EMCMD

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Administration » Using EMCMD with SIOS DataKeeper » Using the -proxy option with EMCMD

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

Using Volume Shadow Copy

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » FAQs » Using Volume Shadow Copy

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

Read and Write Operations

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » 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…

Connecting ODBC Clients to Named Instances of SQL Server

Application Recovery Kits » SIOS Protection Suite/LifeKeeper 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…

Sector Size

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper Configuration » Sector Size

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

Manual Creation of a Mirror in WSFC

Creating a DataKeeper Volume Resource in WSFC » Manual Creation of a Mirror in WSFC

!Before creating an Empty Role, verify that your mirror(s) are Highly Available by confirming that they are listed in the Failover Cluster Manager\Storage Disk as Available Storage. If you do NOT see your mirror(s) listed as Available Storage, they are NOT Highly…

Core Software

SIOS Protection Suite/LifeKeeper Installation Guide » Installing SIOS Protection Suite/LifeKeeper » Core Software

SIOS Protection Suite/LifeKeeper Core Software The SIOS Protection Suite Core software is available via ftp download. The SIOS Protection Suite Core is comprised of: The basic LifeKeeper software, including: Perl (CPAN v5.8.8) Cygwin 2.8 Java OpenJDK…

Maintaining SQL Server Login and Passwords

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

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

Mirror Creation and Cluster Configuration

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » DataKeeper 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…

Awareness of Windows Filenames and Directory Names

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » DataKeeper » FAQs » Awareness of Windows Filenames and Directory Names

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

Product Support Schedule

Product Support Schedule

For customers under an annual support agreement, SIOS Technology provides full support for its products for three years from their General Availability date. This support period is extended in situations where simple upgrade paths do not exist to later versions of SIOS…

Messages List

Application Recovery Kits » Generic Application Kit for Load Balancer Health Checks » Messages List

This section provides a list of messages from the scripts. Each message is logged in the event log.3 Code Category Message Description 33601 ERROR Daemon already started. Restore process failed because the daemon is…

Core

SIOS Protection Suite/LifeKeeper for Windows Technical Documentation » Introduction » Core

SIOS Protection Suite/LifeKeeper Core Software SIOS Protection Suite for Windows Core includes LifeKeeper and the basic LifeKeeper software packages, DataKeeper and the Core Recovery Kits. LifeKeeper – The LifeKeeper for Windows core includes the basic…