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VM disk full, discard='unmap' and disk optimization not solving problem

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My VM disk has no space remaining, and the space is not recovered after moving a VM image off of the disk, or by defrag/optimization of the windows drives after adding discard='unmap' to the VM XML

 

I am using ZFS and qcow2 if those could have something to do with it.  Any help would be appreciated.

Edited by jargo
problem update

Solved by JorgeB

  • jargo changed the title to VM disk full, discard='unmap' and disk optimization not solving problem
  • Solution
8 hours ago, jargo said:

My VM disk has no space remaining, and the space is not recovered after moving a VM image off of the disk, or by defrag/optimization of the windows drives after adding discard='unmap' to the VM XML

That suggest it's really full, and you need to delete some data or expand it.

  • Author
1 hour ago, JorgeB said:

That suggest it's really full, and you need to delete some data or expand it.

Thank you.  My mistake was that I had a bunch of snapshots, which naturally include a lot of old data.  I had erroneously thought that the snapshots were being saved on my backup drive on the array, but they are on the cache-vm disk as well and are simply being replicated.  Doh!

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