Hi Lukaz,
Backup using the new incremental backup API is supported only for running
VMs.
On Thu, 8 Oct 2020 at 12:36, Łukasz Kołaciński <l.kolacinski(a)storware.eu>
wrote:
Hello,
While trying to backup stopped VM (with POST on
/ovirt-engine/api/vms/b79b34c0-d8db-43e5-916e-5528ff7bcfbe/backups) I got
the response:
<?xml version="1.0" encoding="UTF-8"
standalone="yes"?>
<fault>
<detail>[Cannot backup VM. The Virtual Machine should be in Up status.]</
detail>
<reason>Operation Failed</reason>
</fault>
I found here:
https://www.ovirt.org/develop/release-management/features/storage/increme...
that it should be possible to back up a virtual machine that is not running.
*"If the VM is not running, the system will create a paused, stripped-down
version of the VM, with only backup disks attached, and use libvirt API to
start and stop the backup."*
If you will read until the end of the paragraph you will see that the
support for this deferred at this time-
We considered alternative solution using qemu-nbd, but According to Eric
Blake qemu-nbd does not support yet exposing bitmap info, so we would not
be able to provide the change block list.
Since creating special paused VM for backing up non-running VM is a lot of
work, we may defer support for backing up non-running VMs.
But it doesn't seem to work.
Regards,
Łukasz Kołaciński
Junior Java Developer
e-mail: l.kolacinski(a)storware.eu
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