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Mirror Creation and Cluster Configuration
DataKeeper Cluster Edition 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…
Manual Creation of a Mirror in WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » 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…
Extending a Traditional 2-Node WSFC Cluster to a Third Node via DataKeeper
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Traditional 2-Node WSFC Cluster to a Third Node via DataKeeper
When replicating from a WSFC 2-node cluster to a third node via DataKeeper, the following tasks are required: Replace the existing WSFC physical disk resource with a DataKeeper volume resource that supports data replication. Change the quorum type to Node…
Split-Brain Issue and Recovery
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » 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…
Occasional Job Creation Failure
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Windows Server 2016 Specific Issues » Occasional Job Creation Failure
Occasionally, new job creation on Windows 2016 systems can fail. If this occurs, retry the create.
Installing and Using DataKeeper Cluster Edition on Windows Server 2008 R2 / 2012 Core Platforms
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Installing and Using DataKeeper Cluster Edition on Windows Server 2008 R2 / 2012 Core Platforms
Prepare the servers. Install Windows Server 2008 R2/2012 Core on two servers, configure IP, join a domain, configure firewall for remote administration, configure the server for remote access and install the Failover Cluster feature. Server Core Installation…
Extending a Traditional 2-Node WSFC SQL Server Cluster to a Third Node via DataKeeper
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Traditional 2-Node WSFC SQL Server Cluster to a Third Node via DataKeeper
When replicating from a WSFC SQL Server 2-node cluster to a third node via DataKeeper, the following tasks are required: Replace the existing WSFC physical disk resource with a DataKeeper volume resource that supports data replication. Change the quorum type to…
Running chkdsk on Cluster Volumes during Cluster Volume Online
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Running chkdsk on Cluster Volumes during Cluster Volume Online
DataKeeper runs chkdsk on all mirrored volumes prior to the volume being available for use. There is a numeric Cluster Property named DiskRunChkDsk associated with each DataKeeper Volume resource created. DataKeeper now creates a new flag DiskRunChkDsk in Windows…
Creating Other Server Resource in WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Creating Other Server Resource in WSFC
When creating an Other Server resource in WSFC, you will be prompted for a storage resource (DataKeeper resource) twice. You will check the first one, but do not need to check the second dialog. Click the “checkbox” for the first dialog “Select…
WSFC – MS DTC Resource Failure
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » WSFC – MS DTC Resource Failure
Error/Message The cluster resource host subsystem (RHS) stopped unexpectedly. An attempt will be made to restart it. This is usually due to a problem in a resource DLL. Please determine which resource DLL is causing the issue and report the problem to the resource…
Creation of iSCSI Virtual Disks
DataKeeper Cluster Edition Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012 » Creation of iSCSI Virtual Disks
Perform the following on the primary server, wherever the iSCSI Target server is online at the moment. From Server Manager, navigate to File and Storage Services and select iSCSI. Click on the link “To create an iSCSI virtual disk, start the New iSCSI Virtual Disk…
SIOS DataKeeper Cluster Edition
SIOS DataKeeper Cluster Edition
Your information resource for SIOS DataKeeper Cluster Edition SIOS Technology Corp. maintains documentation for all supported versions of SIOS DataKeeper Cluster Edition. We welcome your suggestions and feedback. To help us continue to improve our documentation,…
How to cluster SAP ASCS and ERS on Windows in AWS using WSFC with SIOS DataKeeper
DataKeeper Cluster Edition in a Cloud Environment » How to cluster SAP ASCS and ERS on Windows in AWS using WSFC with SIOS DataKeeper
Introduction The following is a detailed, step-by-step guide on how to cluster SAP ASCS and ERS running on Windows in the AWS cloud. The examples assume that there are two nodes in the cluster (SIOS1, SIOS2) and each node resides in a different availability zone in…
Setting Up SIOS DataKeeper
DataKeeper Cluster Edition Technical Documentation » User Guide » Getting Started » 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…
Creating a DataKeeper Volume Resource in WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Creating a DataKeeper Volume Resource in WSFC
Automatic Creation of a Mirror in WSFC Use the SIOS DataKeeper GUI to configure a mirror. At the completion of the mirror creation operation, the following dialog box will pop up which will allow you to automatically add the mirror as a DataKeeper volume…
DataKeeper Cluster Edition Installation Guide
DataKeeper Cluster Edition Installation Guide
The DataKeeper Cluster Edition Installation Guide contains information on how to properly install and license your software. The DataKeeper Cluster Edition Technical Documentation provides more detailed information necessary to complete your…
Uninstalling SIOS DataKeeper Cluster Edition
DataKeeper Cluster Edition Installation Guide » Uninstalling SIOS DataKeeper Cluster Edition
Before Removing DataKeeper If planning to uninstall DataKeeper and reinstall a previous version, all jobs/mirrors must be deleted on each node prior to uninstalling. These will need to be recreated once software is reinstalled. Uninstall DataKeeper Cluster…
DataKeeper Cluster Edition Technical Documentation
DataKeeper Cluster Edition Technical Documentation
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 across the network to one…
Hyper-V Host Cluster Error
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Hyper-V Host Cluster Error
Failover Cluster Error After Changing Virtual Machine Configuration While VM Is Clustered Description If Failover Cluster Manager is used to modify the VM configuration while the VM is clustered such as adding a Network Interface to the VM, “Refresh Virtual…
DataKeeper Cluster Edition Release Notes
DataKeeper Cluster Edition Release Notes
SIOS DataKeeper Cluster Edition Release Notes Version 8.11.0 Released June 26, 2025 !IMPORTANT: End of Support for 2012/2012 R2 SIOS has ended support for Microsoft Windows Server 2012/2012 R2 on October 10, 2024. LifeKeeper for Windows Version 8.9.2 is the…
Upgrading SIOS DataKeeper Cluster Edition
DataKeeper Cluster Edition Installation Guide » Upgrading SIOS DataKeeper Cluster Edition
!Before upgrading to v8.11.0 or v10.0, see this Known Issue. !Before upgrading from v8.10.2 to v10.0 or v8.11.0 to v10.0, see this Known Issue. Upgrading DataKeeper Cluster Edition from previous versions of DataKeeper Cluster Edition is very straightforward. Simply…
Setup of iSCSI Initiator on Windows 2012
DataKeeper Cluster Edition 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…
WSFC 2016 File Shares Cannot be Created for File Server Role Using Server Manager or Failover Cluster Manager
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Windows Server 2016 Specific Issues » WSFC 2016 File Shares Cannot be Created for File Server Role Using Server Manager or Failover Cluster Manager
Description Once a cluster File Server role is created, neither Server Manager nor Failover Cluster Manager can be used to initially create the share. Suggested Action Microsoft Article 2804526 provides a high level overview of several WSFC Server 2016 issues…
DataKeeper Cluster Edition Quick Start Guide
DataKeeper Cluster Edition Quick Start Guide
This topic provides step-by-step instructions for installing and configuring DataKeeper Cluster Edition. The series of steps includes links to the documentation that describe each step in detail. Prerequisites and Installation Read the DataKeeper Cluster Edition…
Deploying DataKeeper Cluster Edition in Azure
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in Azure
DEPLOYING MICROSOFT SQL SERVER 2017 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…
Add a Node to the Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Add a Node to the Cluster
When adding a node to a cluster, uncheck the Add all eligible storage to the cluster checkbox. It is checked by default. If it is not unchecked it will cause all of the storage that is configured with DataKeeper to be turned into Cluster storage and all roles in…
Evicting a Node from a Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Evicting a Node from a Cluster
Evict the node using Windows Failover Cluster user interface. When a node is evicted the mirror with remain intact and will continue mirroring outside of the cluster. The evicted node will no longer be on the list of possible owners.
Deploying DataKeeper Cluster Edition in AWS
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in AWS
Introduction Best Practices Recommended Instance Types Manual Deployment of a SQL Server Failover Cluster Instance
Safe Creation of a Shared-Storage Volume Resource
DataKeeper Cluster Edition Technical Documentation » User Guide » Configuring Mirrors » Safe Creation of a Shared-Storage Volume Resource
DataKeeper allows mirrors to be created on shared volumes where more than one system has access to the same physical storage. The shared volume can be on the source side of the mirror or on the target side. Note: Dynamic disks are not supported with Shared Storage…
Using Microsoft iSCSI Target With DataKeeper on Windows 2012
DataKeeper Cluster Edition Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012
The following topics will guide you in setting up Microsoft iSCSI Target with DataKeeper via the user interface. *NOTE: This configuration is not supported in a VMware ESX environment. …
DataKeeper Cluster Edition in a Cloud Environment
DataKeeper Cluster Edition in a Cloud Environment
Deploying DataKeeper Cluster Edition in AWS Deploying DataKeeper Cluster Edition in Azure How to cluster SAP ASCS and ERS on Windows in AWS using WSFC with SIOS DataKeeper Configure a File Server Cluster in Azure Spanning Multiple Availability…
Server 2012: Server Manager “File and Storage Services” Disk Status
DataKeeper Cluster Edition Technical Documentation » FAQs » Server 2012: Server Manager “File and Storage Services” Disk Status
Question Why are DataKeeper Volumes that are being used in a Microsoft Failover Cluster not shown by Server Manager as “Clustered”? Answer On Server 2012, the new Server Manager tool is capable of detecting if a complete “Disk” is being used by Failover…
DataKeeper Volume Not Available as Cluster Resource Type
DataKeeper Cluster Edition Technical Documentation » 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…
Resources cannot Failover after a Target NODE/SYSTEM has been replaced
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Resources cannot Failover after a Target NODE/SYSTEM has been replaced
Error message: Log Name: System Source: Microsoft-Windows-FailoverClustering Date: 2/12/2020 6:14:29 PM Event ID: 1205 Task Category: Resource Control Manager Level: Error Keywords: User: SYSTEM Computer: servername.FQDN Description The Cluster service failed to…
Resources cannot Failover after a Target VOLUME has been replaced
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Resources cannot Failover after a Target VOLUME has been replaced
Description When a target volume is replaced, there is no data on the new target volume. However, DataKeeper will re-establish the mirror when the Source node is able to communicate with the Target, and will perform a partial resync. This results in incomplete and…
Manual Deployment of a SQL Server Failover Cluster Instance
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in AWS » Manual Deployment of a SQL Server Failover Cluster Instance
*DISCLAIMER: While the following completely covers the high availability portion within the scope of our product, this is a setup “guide” only and should be adapted to your own configuration. *Please refer to the AWS Marketplace for a list of supported…
Extending a Single SQL Server Node to a Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » 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:…
Remove DataKeeper Storage from a Windows Server Failover Cluster Role
DataKeeper Cluster Edition Technical Documentation » 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,…
Using DKCE to Enable Multi-Site File Share Resources with Windows Server 2008R2 WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » 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…
Deploying a File Server Failover Cluster Instance using the Azure Portal
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ) » Deploying a File Server Failover Cluster Instance using the Azure Portal
To build a 2-node File Server Failover Cluster Instance in Azure, we are going to assume you have a basic Virtual Network based on Azure Resource Manager and you have at least one virtual machine up and running and configured as a Domain Controller. Once you have a…
DataKeeper Cannot be used as a Quorum Device for a Cluster
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » DataKeeper Cannot be used as a Quorum Device for a Cluster
Question Can a DataKeeper drive be used for a quorum disk? Answer No, a DataKeeper drive cannot be used for a quorum disk. The quorum type is set to Node Majority if the number of nodes is odd (ex: 3-node cluster). The quorum type is set to Node and File Share…
Extending a Clustered DataKeeper Volume to a Node Outside the Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » 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…
Extending a Traditional 2-Node Cluster to a Shared-Replicated Configuration
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Traditional 2-Node Cluster to a Shared-Replicated Configuration
Add a Shared Node Using Windows Server 2008R2 or 2012 When using Windows Server 2008R2 or 2012, a 1×1 2-Node replicated cluster using DataKeeper Volumes can be extended to a 2×1 shared and replicated 3-Node cluster by using either of the following…
Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters
Prerequisite Familiarity with Microsoft Windows Server, Microsoft Windows Failover Cluster Server Management and Hyper-V Virtual Management procedures and commands is highly recommended. Note: DataKeeper ClusterCluster Edition does not support Cluster Shared Volumes;…
Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ)
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ)
This step by step guide contains detailed steps that are required to deploy a 2-node File Server Failover Cluster that spans the new Availability Zones in a single region of Azure. The guide assumes that you have basic knowledge of Azure as well as Failover Clustering.…
Configuration of Data Replication From a Cluster Node to External DR Site
DataKeeper Cluster Edition Technical Documentation » Configuration » Configuration of Data Replication From a Cluster Node to External DR Site
For more information, see Extending a clustered datakeeper volume to a node outside the cluster.
Server Login Accounts and Passwords Must Be Same on Each Server in the Cluster
DataKeeper Cluster Edition Technical Documentation » 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…
Clustering
DataKeeper Cluster Edition Technical Documentation » User Guide » 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…
Windows Server 2016 Specific Issues
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Windows Server 2016 Specific Issues
For issues related to Windows Server 2016, see the following topic: ____________________________________________________________________________________________________________________ Occasional Job Creation Failure WSFC 2016 File Shares Cannot be Created…
N-Shared-Disk Replicated to One
DataKeeper Cluster Edition 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…
Dangling Sources
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Dangling Sources
Mirror Broken – Notification Icon Indicates “dangling sources”, GUI shows Red X Solution By default, Windows configures virtual memory so that page files are automatically created on volumes as the Operating System determines is best. This Virtual…
Most Common DKCE Storage Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » DKCE Common Solutions » Most Common DKCE Storage Solutions
The following are the most commonly requested storage related solutions. Preparing Storage for DataKeeper Usage Preparing Storage for DataKeeper Usage Summary This video explains the procedure for creating/preparing storage for Datakeeper. It also addresses…
Video Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » Video Solutions
Frequently Asked Questions 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…
Getting Started
DataKeeper Cluster Edition Technical Documentation » User Guide » Getting Started
Choose Your Configuration DataKeeper can be utilized in a number of different configurations to facilitate a number of different functions including: Provide a second physical copy of your data Extend an existing WSFC cluster to a remote DR site Eliminate…
Most Common DKCE Clustering Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » DKCE Common Solutions » Most Common DKCE Clustering Solutions
The following are the most commonly requested clustering related solutions. Perform a Health Check How do I add/register an existing DataKeeper Volume to a cluster? Why has my Role FAILED in WSFC (e.g. SQL, SAP, FileShare, Hyper-V, Generic App)? For…
N-Shared-Disk Replicated to Multiple N-Shared-Disk Targets
DataKeeper Cluster Edition Technical Documentation » 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…
Summary
Step by Step SQL Server 2019 FCI in OCI » Summary
This technical guide provides a comprehensive overview of setting up a SQL Server 2019 Failover Cluster Instance (FCI) in Oracle Cloud Infrastructure (OCI). It begins by highlighting the importance of understanding OCI’s availability SLAs, which differ based on…
Bitmap Writes Unexpectedly Fail When Any Volume is Removed (disk offline or partition deleted)
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Bitmap Writes Unexpectedly Fail When Any Volume is Removed (disk offline or partition deleted)
Problem: The issue causes bitmap writes to unexpectedly fail when any volume is removed (disk offline or partition deleted) from a system (PW-16197). This issue is limited to DataKeeper v8.10.2 and v8.11.0 (when used with LifeKeeper or Windows Server Failover…
AWS Issues and Workarounds
DataKeeper Cluster Edition Technical Documentation » FAQs » AWS Issues and Workarounds
Question What is the best practice for shutting down clustered VMs in AWS? Answer If shutting down the primary source node, all cluster roles depending on a SIOS DataKeeper Volume Resource should be placed in the Offline state. Also make sure all mirrors are in the…
N-Shared-Disk Replicated to N-Shared-Disk
DataKeeper Cluster Edition 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. Steps to be replicated from the picture above: Create a shared volume between the first two nodes within the “Primary Site”. Storage (Shared Volume) 1…
Install DataKeeper
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ) » Install DataKeeper
After the cluster is created, DataKeeper is installed. It is important to install DataKeeper after the initial cluster is created so the custom cluster resource type can be registered with the cluster. If you installed DataKeeper before the cluster was created you will…
AWS Cross Region Support
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in AWS » AWS Cross Region Support
Step By Step Configuring Amazon Ec2 For Business Critical Applications The diagram above generally shows an active/source node (in green) synchronously replicating to a passive node, both existing in the same region (Region A). Synchronous replication can also be…
DKCE Support Matrix
DKCE Support Matrix
Server Components Supported Operating System v8.9.0 v8.9.1 v8.9.2 v8.10.0 v8.10.1 v8.10.2 v8.11.0 Note: The operating system versions listed above are supported for guests running on the following…
Non-mirrored Volume Resource
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Non-mirrored Volume Resource
A non-mirrored volume resource is a DataKeeper resource where no data is replicated to any node in the cluster. This resource type should only be used where the data is temporary and/or non-critical such as MS SQL Server tempdb space. In this case, when MS SQL restarts…
Add a New Disk / DK Volume to an Existing Clustered SQL Role
DataKeeper Cluster Edition Technical Documentation » FAQs » Add a New Disk / DK Volume to an Existing Clustered SQL Role
When adding an additional disk to an existing cluster, the dependency relationship must be verified and configured manually based on the following requirements: The IP Address and the Disk Resource/DataKeeper Volume do not depend on anything The SQL Network Name…
REGISTERCLUSTERVOLUME
DataKeeper Cluster Edition Technical Documentation » Using EMCMD with SIOS DataKeeper » REGISTERCLUSTERVOLUME
EMCMD REGISTERCLUSTERVOLUME This command is used to register a DataKeeper protected volume in a WSFC cluster. The parameters are: This is the source system of the mirror. The drive letter of the volume you want registered.…
Switchover in an N-Shared x N-Shared Configuration
DataKeeper Cluster Edition Technical Documentation » User Guide » 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…
Known Issues and Workarounds
DataKeeper Cluster Edition Technical Documentation » 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…
Most Common DKCE Networking Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » DKCE Common Solutions » Most Common DKCE Networking Solutions
The following are the most commonly requested networking related solutions. SIOS DataKeeper Service Will Not Start DataKeeper Service Stopped Unexpectedly Issues/Symptoms: The DataKeeper Service periodically stops. The System Event Viewer will produce the…
User Guide
DataKeeper Cluster Edition Technical Documentation » User Guide
The topics in this section are designed to be a reference for you as you get started using SIOS DataKeeper Cluster Edition, helping you identify the type of configuration you are interested in implementing and providing detailed instructions for effectively using your…
Most Common DKCE Installation Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » DKCE Common Solutions » Most Common DKCE Installation Solutions
The following are the most commonly requested installation related solutions. How do I get and install my license(s)? Where can I get the latest software? (Log into the Customer Portal to access) Why can’t I create a new mirror? Firewall…
Deleting a Job
DataKeeper Cluster Edition Technical Documentation » User Guide » Working With Jobs » Deleting a Job
Select the job in the left Console Tree pane of the main DataKeeper window. You can select Delete Job from the Actions pane or right-click on the selected job and choose Delete Job from the menu that displays. Select Yes to delete the selected job and…
Error Messages Log
DataKeeper Cluster Edition Technical Documentation » FAQs » Error Messages Log
Question Where does DataKeeper log error messages? Answer DataKeeper events are logged in the Windows Application Event Log and the Windows System Event Log. Here is a breakdown of the messages you can look for. Application Event Log: Source = ExtMirrSvc –…
Configure Failover Clustering Feature
Step by Step SQL Server 2019 FCI in OCI » Configure Failover Clustering Feature
Enable the Failover Clustering Feature on both SQL1 and SQL2 Run this PowerShell command on SQL1 and SQL2 Install-WindowsFeature -Name Failover-Clustering -IncludeManagementTools Validate your Cluster Run this PowerShell command from SQL1 or SQL2 Test-Cluster…
FAQs
DataKeeper Cluster Edition Technical Documentation » FAQs
Refer to this section for answers to the most frequently asked questions about SIOS DataKeeper and SIOS DataKeeper Cluster Edition. ______________________________________________________________________________________________________________ Add a New Disk / DK…
DataKeeper Failover Clustering Resource DLL (DataKeeperVolume) Message Catalog
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Message Catalogs » DataKeeper Failover Clustering Resource DLL (DataKeeperVolume) Message Catalog
Use Control F to search for a specific error code. Code Severity Message Cause/Action 17 Info DataKeeper Cluster Resource ‘Online’ operation for Volume ‘Y:’ was successful. 18 …
Deploy an Active Directory Domain Controller in Azure
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ) » Deploy an Active Directory Domain Controller in Azure
Deploy a Virtual Machine that will work as a Domain Controller for the cluster that is going to be deployed. This step can be skipped if there is a Domain Controller already configured. *This Virtual Machine running a Domain Controller should be in a different…
IMPORTANT NOTICE
DataKeeper Cluster Edition Release Notes » IMPORTANT NOTICE
During a review of the current releases of LifeKeeper for Windows and DataKeeper Cluster Edition, we discovered a memory leak issue in ExtMirrSvc.exe within DataKeeper. This issue is limited to LifeKeeper for Windows and DataKeeper versions 8.8.0 and…
Replacing a Target
DataKeeper Cluster Edition Technical Documentation » User Guide » Working With Mirrors » Replacing a Target
When replacing the target volume, you must delete the mirror in order to ensure a full resync of the data from the source volume to the target volume when the target volume is back in place. Deleting the mirror discontinues replication altogether removing the mirror…
Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions
- Cloud Environment - How to properly use AWS instance storage (ephemeral storage/disk) If SIOS AMIs are not being deployed on an AWS server, these disk initialization steps must be considered. This was introduced with Windows 2016 and continues in later…
DataKeeper GUI (SDRSnapIn) Message Catalog
DataKeeper Cluster Edition Technical Documentation » 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…
Error 1265 when running DataKeeper Takesnapshot
DataKeeper Cluster Edition Technical Documentation » Components » 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…
DataKeeper Service (ExtMirrSvc) Message Catalog
DataKeeper Cluster Edition Technical Documentation » 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…
SIOS DataKeeper Intent Log
DataKeeper Cluster Edition Technical Documentation » 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…
Performance Monitor Counters
DataKeeper Cluster Edition Technical Documentation » 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…
DataKeeper Volume Resource Health Check
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » DataKeeper Volume Resource Health Check
A DataKeeper Volume resource provides two functions that are used by the Microsoft Cluster service to check for availability and health of the DataKeeper Volume resource. A simple check LooksAlive and a more rigorous check IsAlive. LooksAlive The Cluster service…
How to add a newly-created volume to DataKeeper
DataKeeper Cluster Edition Technical Documentation » Configuration » How to add a newly-created volume to DataKeeper
After a new volume has been created, formatted, and assigned a drive letter, run the following command from the command line in order to be able to start using the volume for mirror and job creation: From a CMD prompt: “%ExtMirrBase%\EMCMD” .…
Create the VCN and Subnets
Step by Step SQL Server 2019 FCI in OCI » Create the VCN and Subnets
This guide assumes you have some familiarity with Oracle Cloud Infrastructure (OCI) and a basic understanding of networking concepts. It illustrates common configuration tasks with descriptions and, where necessary, provides additional guidance to navigate some of the…
Creating the SQL Server FCI
Step by Step SQL Server 2019 FCI in OCI » Creating the SQL Server FCI
Install DataKeeper Cluster Edition Before you can proceed with the next steps, you must install DataKeeper Cluster Edition on SQL1 and SQL2. Download the setup executable and run the DataKeeper setup on both nodes. Refer to the SIOS documentation for specific guidance…
Best Practices
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in AWS » Best Practices
The following recommendations should be followed for optimal performance. They include considerations specific to both the Windows operating system and AWS Cloud configuration. The primary component of SIOS DataKeeper is an upper filter volume driver. This driver…
CLEANUPMIRROR
DataKeeper Cluster Edition Technical Documentation » Administration » CLEANUPMIRROR
C:\Program Files (x86)\SIOS\DataKeeper\Support>cleanupmirror *This command must be performed on the Source first, then on the Target. 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…
Creating a Mirror
DataKeeper Cluster Edition Technical Documentation » User Guide » Configuring Mirrors » Creating a Mirror
Preparing Storage for Datakeeper Usage Summary: This video explains the procedure for creating/preparing storage for Datakeeper. It also addresses creating a mirror between both Source and Target nodes. For additional information regarding storage in conjunction…
New Resources Offline But Unlocked
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » New Resources Offline But Unlocked
WSFC Server – Newly Created Resources Appear Offline But Are Unlocked Error/Message Newly created resources appear offline but are unlocked. Description The new resource is always offline and unlocked before it is used. Suggested Action Switch the resource…
Installing Core
DataKeeper Cluster Edition Installation Guide » Installation » Installing Core
Installing the DataKeeper Cluster Edition Core Software SIOS DataKeeper Cluster Edition 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…
Failed to Create Mirror
DataKeeper Cluster Edition Technical Documentation » 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…
Silent Installation
DataKeeper Cluster Edition Installation Guide » Installation » Silent Installation
!When creating a response file, ensure that ALL dialog boxes have been responded to, including the final dialog box specifying when the system should reboot. Not providing a response for all dialog boxes will result in a faulty response file. To resolve a faulty…
Split-Brain FAQs
DataKeeper Cluster Edition 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.…
Access to Designated Volume Denied
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Access to Designated Volume Denied
If access to the designated volume is denied, then check whether you are attempting to create the mirror while other applications are accessing the volume. During Mirror Creation, the volumes must be locked on the target system for exclusive access by the SIOS…
Registry Entries
DataKeeper Cluster Edition Technical Documentation » Administration » Registry Entries
The following registry entries are associated with the SIOS DataKeeper service or driver and can be viewed and edited using Regedt32. *No values in any DataKeeper registry key should be modified unless they are listed here. *Lowercase volume letters for jobs in…
Network Adapter Settings
DataKeeper Cluster Edition Technical Documentation » Configuration » Network Adapter Settings
*DataKeeper supports SMB1, SMB2 and SMB3, however the Transparent Failover feature which became available in SMB3 is NOT supported. !These paths may not work for some platforms (Windows 2012 R2, 2016, 2019), but to ensure the GUI operates properly be sure to have…