Hi,

Receiving the following error message with 0.8-13:

    INFO: Starting Backup of VM 10019 (qemu)
    INFO: Backup started at 2020-09-02 00:47:01
    INFO: status = stopped
    INFO: backup mode: stop
    INFO: ionice priority: 7
    INFO: VM Name: ubnt1604tmpl
    INFO: include disk 'scsi0' 'tank0:base-10019-disk-0' 2252M
    INFO: creating Proxmox Backup Server archive 'vm/10019/2020-09-01T23:47:01Z'
    INFO: starting kvm to execute backup task
    generating cloud-init ISO
    ERROR: VM 10019 qmp command 'backup' failed - Node 'drive-scsi0' is read only
    INFO: stopping kvm after backup task
    trying to acquire lock...
      OK
    ERROR: Backup of VM 10019 failed - VM 10019 qmp command 'backup' failed - Node 'drive-scsi0' is read only
    INFO: Failed at 2020-09-02 00:47:02

All clients and server are on latest versions.

Regards,

Graeme