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scp, VSS for Windows VHD backup, disaster recovery

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How to replicate Hyper-V VHDs for DR?
The author is looking for a block-level transfer tool like rsync on Windows. A respondent has suggested using Volume Shadow Copy Services (VSS). However, VSS needs space for shadow copy data and this becomes an issue if you have large VM’s to transfer and are short of space.

scp is a secure transfer tool like rsync that is used for performing remote copies of files, including vhd mages across the LAN or the Internet.

Mircosoft recommends that customers can implement a backup or a disater recovery solution within their WAN using the File Replication Services (FRS2) of the Distributed File System (DFS) of Windows 2003 server R2, or later. This solution will perform well over the WAN, if WAN acceleration is in use. However, if WAN acceleration is not in use, then they should enable the Remote Differential Compression (RDC) protocol available in Windows 2003 Server R2, which Optimizes File Replication over Limited-Bandwidth Networks

Read about the use of rsync for vmdk, vhd backup and disaster recovery.

Written by paule1s

December 19, 2008 at 1:24 am

3 Responses

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  1. […] here for Backup, Disaster Recovery for Windows VM’s Possibly related posts: (automatically generated)Backup […]

  2. Hi,

    A solution like SANmelody or SANsymphony of Datacore might do the trick. What the solution actually does is abstracting the physical layer from the storage offering (amongs other features): snapshotting.

    What you can do is snapshot the VM to a disk and write that snapshot during business hours to another media (f.e tape, disk, …).

    The SANmelody & SANsymphony solution works on blocklevel and also contains async-mirror, sync-mirror, iSCSI & FC connectivity as well as diskpooling, thin provisioning, …

    Get a look at, it used by small and large companies and is correctly priced as it offers a full storage virtualization solution with an aim at virtualization.


    Roel Gydé


    December 22, 2008 at 1:16 pm

  3. […] scp, VSS for Windows VHD backup, disaster recovery […]

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