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Awareness of Windows Filenames and Directory Names

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

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

Directory for Bitmap Must Be Created Prior to Relocation

SIOS DataKeeper for Windows Technical Documentation » Troubleshooting » Restrictions » Directory for Bitmap Must Be Created Prior to Relocation

Description If you choose to relocate the bitmap file from the default location (%EXTMIRRBASE%\Bitmaps), you must first create the new directory before changing the location in the registry and rebooting the system.

Installation

NO TOC » DataKeeper Cluster Edition Installation Guide » Installation

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

SETSNAPSHOTLOCATION

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

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

DKSUPPORT

SIOS DataKeeper for Windows Technical Documentation » Administration » DKSUPPORT

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

DKHEALTHCHECK

SIOS DataKeeper for Windows Technical Documentation » Administration » DKHEALTHCHECK

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

GETSNAPSHOTLOCATION

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

EMCMD GETSNAPSHOTLOCATION This command retrieves the currently configured snapshot location (directory path) for the given volume on the given system. It will return an empty result if the snapshot location is not configured on the given volume. The parameters…

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…

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…

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…

CLEARSNAPSHOTLOCATION

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

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

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…

Uninstalling SIOS DataKeeper Cluster Edition

NO TOC » 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…

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…

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…

User Interface – Shows Only One Side of the Mirror

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

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

Relocation of Intent Log

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

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

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…

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 –…

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…

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…

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…

DataKeeper Event Log Notification

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

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

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…

Initial Synchronization of Data Across the LAN or WAN

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

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

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…

DataKeeper Service Log On ID and Password Selection

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

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

DataKeeper Service Log On ID and Password Selection

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

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

Upgrading SIOS DataKeeper Cluster Edition

NO TOC » DataKeeper Cluster Edition Installation Guide » Upgrading SIOS DataKeeper Cluster Edition

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

DataKeeper Notification Icon

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

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

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;…

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…

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…