ZFS thin

Jun 16, 2016
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Hi,

I have a Proxmox server with a bunch of local disks (10 + SSD for ZIL and L2ARC) mounted in ZFS Raidz2 for the VMs.
When I have mounted the storage I forgot to enable the Thin Provision.



I have many VMs running on this storage and I want to know if it's possible to enable now without danger ?

Best regards,
Christian
 

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wolfgang

Proxmox Staff Member
Staff member
Oct 1, 2014
4,763
316
83
Hi,

Yes but all you existing VM will have no effect of this change.
The thin provisioned flag is used at creation time of a virtual disk image.
So all new images will be thin provisioned but the old stay as they are.
 

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