In Fail-Over-Cluster-Manager less diskspace than physically present in the CSV

Stefan Mueller
Stefan Mueller used Ask the Experts™
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I have a Microsoft Failover Cluster in which I host clustered shared volumes that reside on virtual machines. These virtual machines are hosted by Hyper V.
My specific problem is that according to Fail-Over-Cluster-Manager I have less disk space than physically present in the CSV. (Thus, according to Windows there are 400 GB, the Failover Cluster Manager tells me on the CSVFS volume are still 3 of 1000GB free).
What's wrong here..?
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Philip ElderTechnical Architect - HA/Compute/Storage

Commented:
I'm not sure about the wording. Are the CSVs embedded in a guest cluster setup?

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Commented:
CSV = Cluster Shared Volumes
Philip ElderTechnical Architect - HA/Compute/Storage

Commented:
Where are the CSVs? By the wording it sounds like there is a guest cluster and they are embedded?

Get-ClusterSharedVolume
Get-VirtualDisk
Get-Disk

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Please post in a CODE SNIPPET.
Well, it seems, that we have to deal with a DEDUP volume and the dedup job seem not to have run properly. This seem to have caused the problem.

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