[pve-devel] [PATCH storage 4/5] lvm plugin: use relative path for qcow2 rebase command

[Fabian Grünbichler]

otherwise the resulting qcow2 file will contain an absolute path, which makes
renaming the backing VG of the storage impossible.

Signed-off-by: Fabian Grünbichler <f.gruenbichler at proxmox.com>
---
 src/PVE/Storage/LVMPlugin.pm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/PVE/Storage/LVMPlugin.pm b/src/PVE/Storage/LVMPlugin.pm
index db1be98..9a04db6 100644
--- a/src/PVE/Storage/LVMPlugin.pm
+++ b/src/PVE/Storage/LVMPlugin.pm
@@ -1120,12 +1120,13 @@ sub volume_snapshot_delete {
         my $parentpath = $snapshots->{$parentsnap}->{file};
         print
             "$volname: deleting snapshot '$snap' by rebasing '$childsnap' on top of '$parentsnap'\n";
-        print "running 'qemu-img rebase -b $parentpath -F qcow2 -f qcow2 $childpath'\n";
+        my $rel_parent_path = get_snap_name($class, $volname, $parentsnap);
+        print "running 'qemu-img rebase -b $rel_parent_path -F qcow2 -f qcow2 $childpath'\n";
         $cmd = [
             '/usr/bin/qemu-img',
             'rebase',
             '-b',
-            $parentpath,
+            $rel_parent_path,
             '-F',
             'qcow2',
             '-f',
-- 
2.39.5