[PVE-User] move virtual disk with snapshots

Roland devzero at web.de
Mon Aug 3 09:45:49 CEST 2020


thank you!


Am 03.08.20 um 09:15 schrieb Fabian Grünbichler:
> On July 31, 2020 8:46 am, Roland wrote:
>> hello,
>>
>> can someone explain, why it's not possible in proxmox to move a VMs
>> virtual disk with snapshots to a different datastore/dir - not even when
>> offline?
> because it only works from one storage type to the same storage type and
> even then requires custom code for each storage type for a rarely used
> operation.
>
>> we need to fix some zfs dataset/dir naming/structure and can't as we
>> would loose all our snapshots when moving VMs around...
> if it's all ZFS, simply zfs send/recv a baseline (can be done while VMs
> are running), then poweroff and send the delta since the baseline, sed
> the storage name inside the config including all snapshots, start the VM
> again. with a bit of careful checking of involved VM configs before
> starting, the whole process can be automated if you want.
>
> similar procedures, possibly with more downtime if no incremental
> sync option exists, apply to other storage types as well.
>
> as always, test with a test VM/setup first, and do backups before just
> in case.
>
>
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