[PVE-User] Query disk usage

Marcus proxmox-user at mattern.org
Mon Mar 6 18:50:46 CET 2017


Yes, that's possible. Use fstrim or mount the volume with "discard" as 
option.
Windows (2012R2) recognizes that the volume supports discard and you can 
reclaim space with defrag 
(https://blogs.technet.microsoft.com/askcore/2014/02/17/whats-new-in-defrag-for-windows-server-20122012r2/)
> Is it possible to reclaim this space by using virtio scsi as a virtual
> storage controller on the vm and then enabling discard option?
> Do we need to run upper layer tools like sdelete (windows) and fstrim
> (linux) to reclaim disk space?
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