to have a clear method name for this. check_XYZ suggests also that we
return true if the check was OK, but we don't.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
like the LVM API, but return an array for the list,
because we do not have nested data here
and create a vg and thin lv with the name given and use the full size
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>