Live disk snapshot: domfsthaw error not handled correctly

[xorel]

Description When libvirt domfsthaw fails in snapshot_create_live driver action, snapshot is created in datastore (ceph) but not in OpenNebula.

To Reproduce Simulate somehow error: Unable to thaw filesystems error: internal error: unable to execute QEMU agent command 'guest-fsfreeze-thaw' which leads to inconsistency.

Expected behavior Snapshot is either crated also in OpenNebula or rollbacked in Ceph.

Details

• Affected Component: storage: ceph, qcow2
• Hypervisor: kvm
• Version: 6.2+

Additional context https://opennebula.zendesk.com/agent/tickets/35577

Progress Status

• [ ] Code committed
• [ ] Testing - QA
• [ ] Documentation (Release notes - resolved issues, compatibility, known issues)