[pve-devel] [PATCH-SERIES v8 pve-storage/qemu-server] add external qcow2 snapshot support

[DERUMIER, Alexandre]

>>6. it's fairly easy to accidentally create qcow2-formatted LVM
>>volumes, as opposed to the requirement to enable a non-UI storage
>>option at storage creation time for dir storages, we might want to
>>add some warning to the UI at least? or we could also guard usage of
>>the format with a config option..

Personnaly, this don't shock that's much

the external-snapshot option is to distinguished between
internal|external snapshot.

you can also "accidentally" create a qcow2 file instead a raw file on
dir storage.

so I think that a warning in the UI is fine enough if qcow2 format is
selected.