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Moving virtual machines/VHDX to new drive letter when Hyper-V replica involved

Posted on 2013-12-22
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Last Modified: 2014-11-12
I have a Hyper-V server that is the recipient of several virtual machines that are being replicated using Hyper-V replica.

I need to move them to a different storage array, which will be a different drive letter.

Any suggestions?  I could stop replication, move ALL of the files to the new array, and swap out drive letters.  But that would take replication offline for many hours (2.5TB).  I'd prefer to just move them one at a time so I can stop replication on one machine at a time, move it, and bring it back online.
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Question by:dipersp
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Expert Comment

by:JAN PAKULA
ID: 39739304
Best way would be to have System Center Virtual Machine Manager

and you can do it easily using Quick Storage Migration (QSM)

http://blogs.technet.com/b/virtualization/archive/2009/06/25/system-center-virtual-machine-manager-2008-r2-quick-storage-migration.aspx

if you don't have scvmm do that

1 turn of vms (The VM must be turned off (powered down) to export it)
2 Do not copy folders or change drive letters. Use Export followed by Import.
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dipersp earned 0 total points
ID: 39739568
Actually did some testing today.  This worked a LOT easier than I expected.

A simple "move" operation in Hyper-V manager.  Select the option to move the data and (I prefered to) choose the location of each type of file/folder.  I manually created the structure I wanted, did the move, done.  No downtime overall for the server and replication (Other than the one being moved) and no need to resync or re-replicate everything.  Piece of cake!
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Author Closing Comment

by:dipersp
ID: 39745785
Definitely a good one to keep in the KB for future people looking for this one.
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