[pve-devel] [PATCH 06/20] lvm : add volume_protect && volume_unprotect

[Dietmar Maurer]

> I check on citrix xenserver, it seem to be possible to do linked clone from a
> lvm template.
> 
> I don't know how it's works. maybe the clone is simply a snapshot ? does it
> work across cluster? (If the parent lvm volume is readonly and activate on
> each host ?)

No, lvm snapshot have problems on clusters.

I guess they simply use something like qcow2 with base image.

The base image of the qcow2 file points to the lvm device.