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Hyper-V VM migration fails

Posted on 2016-09-15
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Last Modified: 2016-10-03
I am running hyper-v, win 2012 R2.
This is the first time I'm trying to do a storage migration, but it keeps on failing.  Trying to move one VM to another storage volume.
I have included the error message.

error
Any ideas how to fix this?
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Question by:afacts
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14 Comments
 
LVL 9

Assisted Solution

by:Richardson Porto
Richardson Porto earned 125 total points
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Try to move to C:\ClusterStorage\Volume2\win7test\ folder instead of the C:\ClusterStorage\Volume2\.
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Author Comment

by:afacts
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I tried that, but it failed as well.
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LVL 18

Expert Comment

by:hopeleonie
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So you have a cluster?
Can you add permissions for the computer account of hyper-v host on the share folder and try again?
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Author Comment

by:afacts
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Yes, I have a cluster.
I have never had to do that, how exactly do I give my 4 VMS host servers access?
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LVL 18

Assisted Solution

by:hopeleonie
hopeleonie earned 125 total points
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Try to give the computer account full NTFS access on the share folder. Check also the sharing permissions as well.
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LVL 38

Expert Comment

by:Philip Elder
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What is the cluster setup?

How is shared storage configured and hooked into the Hyper-V nodes?
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Author Comment

by:afacts
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I have an HP San, msa2312i
I have different vdisk and volumes.
The San is connected to 2 Cisco switches via iscsi (cat6).  
Then I have 4 HP DL360 G7 proliant servers with 4 Nic ports. Two of the ports are connected to the Cisco switches where my San is connected and the other two nics are connected to a Dell LAN switch.
Thw Cisco switches are private, reserved only for the San, nothing else is plugged into them.
The storage is on the San.

I can move the VMs around the different host servers just fine, but I have never tried to move a VM to another storage group, which I need to do now.  I have tried the move via the migration assistant in the failover cluster manager.

Where exactly should I check for permissions?
How do I give the servers full access to the ntfs shares, I want to make sure I do it right.

I'm pretty sure it's some kind of permissions, just not sure where to look.
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LVL 38

Expert Comment

by:Philip Elder
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How are the LUNs hooked into the nodes?
iSCSI Target on the nodes?
Is LUN Sharing set up correctly?
Does storage fail over to the other controller if running a planned failover test on the SAN?

EDIT:
Simple test: Create a folder on the existing LUN. Use the migration wizard to move the VM's storage from the one folder on the LUN to the other. Does that work?
Run the test from both nodes. Does it work on both?
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Author Comment

by:afacts
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The Luns are the volumes on the San I believe,
As when I look at the config, it says Lun # for each volume.  They are connected via iscsi.
Yes, iscsi on the nodes as well.
I don't know if the Lun sharing is setup properly,
How can I check?
I have never done a failover test from one controller to another, so I don't know if that works.
So far, I have only moved VMs from one node to another, but never moved VMs to different storage, which is on the same SAN, just on a different volume or Lun.

I'll do your test here in a few minutes.
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Author Comment

by:afacts
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I did the test, created a new folder on the same LUN, and i was able to move the storage using the virtual machine storage option just fine.  I looks like it fails when I try to move the VM storage to another volume.
Any ideas why it's failing or what I can do to resolve?
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Author Comment

by:afacts
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Is this some type of permissions issue? Where would it be at?
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LVL 38

Accepted Solution

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Philip Elder earned 250 total points
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Are you able to create a folder on the destination LUN? If yes, try the storage migration to that newly created folder.
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Author Comment

by:afacts
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I'll try that tomorrow morning, have. Have not tried that yet.
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Author Closing Comment

by:afacts
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Thanks guys for your help.   After I created a new folder on the new storage, it allowed me to move the VMs over.
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