On clone_vm when cloning the disks while the VM is running, we use
drive-mirror. We skip completion until the last disk, but with a
cloudinit disk there's no drive-mirror and so no completion done. If it
is the last disk in the hash, we never complete the drive-mirror jobs
and no further cloning is possible as there are already active jobs
using the disks.

To fix it we have to call qemu_drive_mirror_monitor directly in the case
of cloudinit when completion is requested and there are jobs defined.

Signed-off-by: Mira Limbeck <m.limb...@proxmox.com>
---
 PVE/QemuServer.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 54278e5..ae9d6dd 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -6965,6 +6965,12 @@ sub clone_disk {
        PVE::Storage::activate_volumes($storecfg, [$newvolid]);
 
        if (drive_is_cloudinit($drive)) {
+           # when cloning multiple disks (e.g. during clone_vm) it might be 
the last disk
+           # if this is the case, we have to complete any block-jobs still 
there from
+           # previous drive-mirrors
+           if (($completion eq 'complete') && (scalar(keys %$jobs) > 0)) {
+               qemu_drive_mirror_monitor($vmid, $newvmid, $jobs, $completion, 
$qga);
+           }
            goto no_data_clone;
        }
 
-- 
2.20.1



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