Reduce VM hard disk size

Cesare Lv1Posted 17 Mar 2022 16:38

Hi there,
I need to reduce the size of the hard disk of a Windows Server VM.
I converted it from a physical server and now I have 600GB of wasted space while it only uses 50GB.
Someone could help me?
Cesare

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Hi, unfortunately once the vm virtual disk is initialize in HCI, it can't reduce the size of the disk.

Perhaps, you may consider to have a re-migrate of the vm and setting up the vm disk with thin provisioning to ensure there is no wasted of the disk size.
Is this answer helpful?
Jun_Sheng17 Posted 21 Mar 2022 20:42
  
Hi, unfortunately once the vm virtual disk is initialize in HCI, it can't reduce the size of the disk.

Perhaps, you may consider to have a re-migrate of the vm and setting up the vm disk with thin provisioning to ensure there is no wasted of the disk size.
Cesare Lv1Posted 24 Mar 2022 16:02
  
Hi Jun,
thank you for your reply.
I checked and the disk is with thin provisioning, but the backup creates a first backup of 600GB and this is a waste of space...
It's strange that there isn't an option to reduce the hard disk while with other solutions is possible.
Cesare
Nicusor Lv1Posted 11 Aug 2023 14:41
  
I also have the same problem. there is no solution to stop backing up the free space when a full backup is done

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