On Mon, Jan 22, 2018 at 7:21 AM, Zip <pl...@intricatenetworks.com> wrote:
> I am having an issue where when I use the REST API to connect a snapshot > from another VM to a Backup-Appliance-VM, after the clone when I remove the > Disk and delete the Snapshot, the disk remains in the Backup-Appliance-VM > as /dev/sdb ot /dev/vdb. > > If I reboot the Bakup-Applicance-VM the disk disappears. > > If I manually remove the disk by "echo 1 > /sys/block/sdb/device/delete” > the disk will disappear, but if I rescan the scsi bus, it is found and > shows up again in the VM OS, but the oVirt WebGUI does NOT show it as > connected. > The first part is expected - the 2nd isn't. > > I am also not able to attach any other disks as it complains of : > > HotPlugDiskVDS failed: internal error: unable to execute QEMU command > '__com.redhat_drive_add': Duplicate ID 'drive-scsi0-0-0-2' for drive > > I did see that others in the past have gotten around this issue by > rebooting the Backup-Appliance-VM and then continuing on with the next VM > backup and looping through backup-reboot-backup-reboot-etc. > > Anyone have an idea on how to solve this issue and remove the hooks from > the guest OS? > > Steps to reproduce this issue: > > > 1. Create a backup appliance VM to be used for the backup script > execution > 2. Currently I have the Vms set to virtio with threaded I/O enabled. > Also tried virtio_scsi with same result. > 3. Using REST API – make snapshot of target VM > 4. Using REST API – fetch vm metadata > 5. Using REST API – attach the snapshot/disk to the Backup-Appliance-VM > 6. dd the drive to backup folder > 7. Using REST API – remove the disk from the Backup-Appliance-VM > 8. Using REST API – delete the snapshot > 9. ** Check the guest OS of the Backup-Appliance-VM and the mounted > drive from the backup above still appears and behaves as mentioned in > comments above. > > > There are many details missing, including versions of everything used, but logs would be most helpful here. > A second issue is that the above wont work when I have the Vms running on > MPIO iSCSI storage, so for testing I have moved to NFS4. Anyone have ideas > about either issue, I’d love to hear ;) > Same - logs would be helpful here. Y. > > Thanks > > Irc.oftc.net #ovirt > zipur > > > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > >
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