[pve-devel] [PATCH] implement vdisk_clone and vdisk_create_base

[Dietmar Maurer]

> For rbd,sheepdog,nexenta :
> - We can assume that snapshot name to clone is always  "@base" if the
> volume is a base volume.
> - Or specify the snapname in base volid. (But you don't want base-6000-disk-
> 9 at base/vm-7000-disk-9)

I would simply use a reasonable default snapshot name. Using '@base' is good, but maybe
this can clash with user specified names (live snapshots)? So we are better off using an uncommon
name, something like '__base__' (if the backend allows that)?