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Creating a Job
SIOS DataKeeper for Windows Technical Documentation » User Guide » Setup » Creating a Job
If not already connected, connect to the server where you want to create a job. From the right Actions pane, select Create Job. The Job Wizard will prompt you for a Job Name and Description. Enter the appropriate information and select Create Job to…
Renaming a Job
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Renaming a Job
Select the job in the left Console Tree pane of the main DataKeeper window. You can select Rename Job from the Actions pane or right-click on the selected job and choose Rename Job from the menu that displays. Enter the new Job Name and new Job…
Deleting a Job
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Deleting a Job
Select the job in the left Console Tree pane of the main DataKeeper window. You can select Delete Job from the Actions pane or right-click on the selected job and choose Delete Job from the menu that displays. Select Yes to delete the selected job and…
Reassigning a Job
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Reassigning a Job
Use the Reassign Job function to move an existing mirror from one job to another without deleting the mirror. Select the job from the middle Summary panel. Right-click and select Reassign Job or select Reassign Job from the Actions panel. Select an existing…
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…
Creation of iSCSI Virtual Disks
SIOS DataKeeper for Windows Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012 » Creation of iSCSI Virtual Disks
Perform the following on the primary server, wherever the iSCSI Target server is online at the moment. From Server Manager, navigate to File and Storage Services and select iSCSI. Click on the link “To create an iSCSI virtual disk, start the New iSCSI Virtual Disk…
Create a Mirror and Rename Job and Delete Job Actions Grayed Out
SIOS DataKeeper for Windows Technical Documentation » FAQs » Create a Mirror and Rename Job and Delete Job Actions Grayed Out
Question Why are the Create a Mirror, Rename Job and Delete Job actions grayed out? Answer If a node that is part of the job is down, these actions will not be enabled.
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…
Safe Creation of a Shared-Storage Volume Resource
SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors » Safe Creation of a Shared-Storage Volume Resource
DataKeeper allows mirrors to be created on shared volumes where more than one system has access to the same physical storage. The shared volume can be on the source side of the mirror or on the target side. Note: Dynamic disks are not supported with Shared Storage…
DataKeeper Cluster Edition Release Notes
NO TOC » 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…
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…
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 …
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…
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…
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…
Working With Jobs
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs
Jobs Renaming a Job Deleting a Job Reassigning a Job Switching Over a Mirror
Setting Up SIOS DataKeeper
NO TOC » SIOS Protection Suite for Windows » DataKeeper » Setting Up SIOS DataKeeper
Follow these steps to start using SIOS DataKeeper: Connect to the servers you wish to configure for replication. You can select Connect to Server from the Action pull down menu, right-click on the job folder in the left panel tree display and select Connect to…
Setting Up SIOS DataKeeper
SIOS DataKeeper for Windows Technical Documentation » User Guide » Setup » Setting Up SIOS DataKeeper
Setting Up SIOS DataKeeper Follow these steps to start using SIOS DataKeeper: Connect to the servers you wish to configure for replication. You can select Connect to Server from the Action pull down menu, right-click on the job folder in the left panel tree…
Setup
SIOS DataKeeper for Windows Technical Documentation » User Guide » Setup
Setting Up SIOS DataKeeper Follow these steps to start using SIOS DataKeeper: Connect to the servers you wish to configure for replication. You can select Connect to Server from the Action pull down menu, right-click on the job folder in the left panel tree…
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…
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…
Jobs
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Jobs
For ease of use and configuration, SIOS DataKeeper does much of its management of mirrors through an entity called a job. A job is a logical grouping of related mirrors and servers. This feature allows you to create a job for complex repetitive tasks and run them…
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…
Managing Mirrors
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Managing Mirrors
From the Actions pane, you can select a job and manage all the mirrors in a job, or you can perform an action on a single mirror in a job. After selecting a job, you can: Pause and Unlock All Mirrors Continue and Lock All Mirrors Break All…
Resync
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Resync
Use this command to re-establish a broken mirror. A full resync will be performed. Select the job that contains the mirror you want to resync. Right-click on the job selection and choose Resync All Mirrors or select Resync All Mirrors from the Actions task…
Secondary Server Failures
SIOS DataKeeper for Windows Technical Documentation » Administration » Secondary Server Failures
In the event there is a failure affecting the secondary (target) system, the affected mirror is marked Paused. It is necessary to correct the condition that caused the secondary to fail and then resync the volumes. There are no write attempts made to the target after…
Using Microsoft iSCSI Target With DataKeeper on Windows 2012
SIOS DataKeeper for Windows Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012
The following topics will guide you in setting up Microsoft iSCSI Target with DataKeeper via the user interface. *NOTE: This configuration is not supported in a VMware ESX environment. …
Deleting a Mirror
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Deleting a Mirror
This action discontinues replication and removes the mirror from the associated job. The target volume is unlocked and made fully accessible. Select the job that contains the mirror you want to delete. Right-click on the mirror and choose Delete Mirror or…
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…
User Interface
NO TOC » DataKeeper Cluster Edition Technical Documentation » SIOS DataKeeper Cluster Edition Introduction » User Interface
SIOS DataKeeper User Interface The SIOS DataKeeper User Interface uses a standard MMC snap-in interface. The left pane displays the Console Tree view. This includes the Jobs and Reports. Currently, there are two reports available – Job Overview and Server…
User Interface
SIOS DataKeeper for Windows Technical Documentation » Introduction » User Interface
SIOS DataKeeper User Interface The SIOS DataKeeper User Interface uses a standard MMC snap-in interface. The left pane displays the Console Tree view. This includes the Jobs and Reports. Currently, there are two reports available – Job Overview and…
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…
Removing a Shared System
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Shared Volumes » Removing a Shared System
To remove a shared system from either side of the mirror, bring up the Manage Shared Volumes dialog and uncheck the Include box for the system to be removed. When you click Done, the job will be updated so that the system is not part of the job. Warning: If a shared…
Break
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Break
Breaking a mirror is similar to the Pause and Unlock function. It suspends mirror operation and unlocks the target volume for read/write access. The difference is that the Break operation marks all bits in the DataKeeper Intent Log as dirty, which forces a full…
ISBREAKUSERREQUESTED
SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » ISBREAKUSERREQUESTED
EMCMD ISBREAKUSERREQUESTED This command checks whether a broken mirror is a result of a user request. The parameters are: This can be either the source or the target system. The drive letter of the volume that you want to check.…
Pause and Unlock
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Pause and Unlock
This command pauses the mirror and unlocks the volume on the target system. You may wish to unlock the target volume in order to make a backup of the volume. Warning: Any writes to the target volume while it is unlocked will be lost when the mirror is…
Managing Shared Volumes
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Shared Volumes » Managing Shared Volumes
Once your mirrors have been created, DataKeeper allows you to manage your shared volumes. By choosing Manage Shared Volumes from the DataKeeper GUI, you can add another system, which is sharing a mirrored volume, to a job. It also allows you to remove a shared system…
Installing and Using DataKeeper Cluster Edition on Windows Server 2008 R2 / 2012 Core Platforms
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…
FAQs
SIOS DataKeeper for Windows Technical Documentation » FAQs
Refer to this section for answers to the most frequently asked questions about SIOS DataKeeper. ______________________________________________________________________________________________________________ Awareness of Windows Filenames and Directory Names AWS…
Continue and Lock
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Continue and Lock
This action locks the volume on the target system and then resumes the mirroring process. While the mirror is paused, writes on the source system are recorded in the SIOS DataKeeper Intent Log. When the Continue and Lock operation occurs, these changed blocks –…
Configuring Mirrors
SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors
Creating a Mirror Creating Mirrors With Shared Volumes Safe Creation of a Shared-Storage Volume Resource Creating Mirrors With Multiple Targets Switchover and Failover with Multiple Targets
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. …
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,…
GETJOBINFO
SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » GETJOBINFO
EMCMD GETJOBINFO [] This command displays job information for a specific JobId or all defined jobs.
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…
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.
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…
Switching Over a Mirror
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Jobs » Switching Over a Mirror
The Switchover Mirror function enables you to switch over all the mirrors in a job or just one of the mirrors in a job. A “mirror” includes all variants for mirrors such as standard single-target replication and complex geometries such as multi-target…
Volume Considerations
SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Volume Considerations
SIOS DataKeeper primary and secondary systems have three types of volumes: system, non-mirrored and mirrored. During mirroring operations, system and non-mirrored volumes are not affected and the user has full access to all applications and data on these…
Switchover in an N-Shared x N-Shared Configuration
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…
Replacing a Target
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Replacing a Target
When replacing the target volume, you must either break the mirror or delete the mirror in order to ensure a full resync of the data from the source volume to the target volume when the target volume is back in place. Though similar to the Pause and Unlock, breaking…
Extensive Write Considerations
SIOS DataKeeper for Windows Technical Documentation » Administration » Extensive Write Considerations
SIOS DataKeeper allows users to access the source during the creation and resync process. Extensive writes during the create or resync process increase the amount of time required to complete the operation. The user can also increase the MaxResyncPasses registry…
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…
Access to Designated Volume Denied
SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Access to Designated Volume Denied
If access to the designated volume is denied, then check whether you are attempting to create the mirror while other applications are accessing the volume. During Mirror Creation, the volumes must be locked on the target system for exclusive access by the SIOS…
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…
Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters
NO TOC » SIOS Protection Suite for Windows » Clustering » Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters
Prerequisite Familiarity with Microsoft Windows Server, Microsoft Windows Failover Cluster Server Management and Hyper-V Virtual Management procedures and commands is highly recommended. Note: DataKeeper ClusterCluster Edition does not support Cluster Shared Volumes;…
New-DataKeeperMirror
SIOS DataKeeper for Windows Technical Documentation » Administration » Using DKPwrShell with SIOS DataKeeper » New-DataKeeperMirror
This cmdlet is used to create a new DataKeeper mirror. Mirrors created with this cmdlet will be visible in the DataKeeper SnapIn (Reports > Server Overview). If a job exists that includes information that matches this mirror (systems, IP Addresses, Volumes, and Sync…
User Interface – Failed to Create Mirror
SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » User Interface – Failed to Create Mirror
User Interface – Failed to Create Mirror, Event ID 137 Error/Message Failed to create the mirror. Event Id: 137 System Event Log Unable to initialize mirror on the target machine. Volume Device: Source Volume: E Target Machine: 10.17.103.135 Target Volume:…
Changing the Compression Level of an Existing Mirror
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » Changing the Compression Level of an Existing Mirror
The compression level of the mirror is set during mirror creation and applies to that specific mirror only. To change the compression level of an existing the mirror, edit the properties of the mirror from within the DataKeeper GUI. Select the mirror and click on…
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…
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…
Inability to Create a Mirror
SIOS DataKeeper for Windows Technical Documentation » FAQs » Inability to Create a Mirror
Question Why can’t I create a mirror? Answer The common cause of this problem is that the volume on either source or target is in use by another process. Stop the process that is accessing the volume and try again. The SIOS DataKeeper software requires…
Error Messages Log
SIOS DataKeeper for Windows Technical Documentation » FAQs » Error Messages Log
Question Where does DataKeeper log error messages? Answer DataKeeper events are logged in the Windows Application Event Log and the Windows System Event Log. Here is a breakdown of the messages you can look for. Application Event Log: Source = ExtMirrSvc –…
Server Login Accounts and Passwords Must Be Same on Each Server in the Cluster
SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Server Login Accounts and Passwords Must Be Same on Each Server in the Cluster
The DataKeeper GUI cannot connect to the target server in a cluster if server Login Accounts and Passwords are different on each server. Error Message An Error Code 1326 will appear in the Application log (Note: The Error Code may also be a 2 with Event ID…
CHKDSK Considerations
SIOS DataKeeper for Windows Technical Documentation » Administration » CHKDSK Considerations
If you must run CHKDSK on a volume that is being mirrored by SIOS DataKeeper, it is recommended that you first pause the mirror. After running CHKDSK, continue the mirror. A partial resync occurs (updating those writes generated by the CHKDSK) and mirroring will…
GETCONFIGURATION
SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » GETCONFIGURATION
EMCMD GETCONFIGURATION This command retrieves and displays the net alert settings (also referred to as “volume attributes”) for the volume. The parameters are: This can be either the source or the target systems. The…
SETCONFIGURATION
SIOS DataKeeper for Windows Technical Documentation » Administration » Using EMCMD with SIOS DataKeeper » SETCONFIGURATION
EMCMD SETCONFIGURATION This command sets the net alert settings (also referred to as “volume attributes”) for the volume. The parameters are: This can be either the source or the target system. The drive letter of the…
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…
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…
Creating Mirrors With Multiple Targets
SIOS DataKeeper for Windows Technical Documentation » User Guide » Configuring Mirrors » Creating Mirrors With Multiple Targets
SIOS DataKeeper provides the ability to replicate data from a single source volume to one or more target volumes. In addition, DataKeeper also allows you to switch over control and make any of the target volumes become the source. Assuming you have already created a…
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…
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…
Windows Server 2012 MMC Snap-in Crash
SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Known Issues and Workarounds » Windows Server 2012 Specific Issues » Windows Server 2012 MMC Snap-in Crash
Description When using the DataKeeper user interface (MMC Snap-in) on Windows Server 2012, the mmc.exe process may crash unexpectedly due to an internal .Net or Windows Presentation Foundation (WPF) issue. The error may show up on the screen and/or the event…
Using DKCE to Enable Multi-Site File Share Resources with Windows Server 2008R2 WSFC
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…
DataKeeper Volume Resize
SIOS DataKeeper for Windows Technical Documentation » User Guide » Working With Mirrors » DataKeeper Volume Resize
DataKeeper allows users to extend and shrink their DataKeeper volumes dynamically while retaining mirror settings. Once the resize is complete, a partial resync will be performed. Note: This resize procedure should be performed on only one volume at a time. !WARNING …
Synchronous and Asynchronous Mirroring
SIOS DataKeeper for Windows Technical Documentation » Introduction » Understanding Replication » Synchronous and Asynchronous Mirroring
SIOS DataKeeper employs both asynchronous and synchronous mirroring schemes. Understanding the advantages and disadvantages between synchronous and asynchronous mirroring is essential to the correct operation of SIOS DataKeeper. Synchronous Mirroring With synchronous…
Using 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…
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…
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…