Created attachment 916872 [details]
vdsm+engine logs

Description of problem:

HotPluging a direct Lun disk fails with several engine's exceptions in a case of a target vm with one deactivated file disk

from engine's log:

2014-07-09 18:18:33,328 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.HotPlugDiskVDSCommand] (ajp--127.0.0.1-8702-8) [22ba08f4] Command HotPlugDiskVDSCommand(HostName = vdsc, HostId = 46052aa2-266a-4e50-a61f-d78e5f004f91, vmId=3264c6fc-c1d4-4450-89a1-5ff3067675e6, diskId = 24d43e68-027f-4cb0-8419-451e98621efa) execution failed. Exception: VDSErrorException: VDSGenericException: VDSErrorException: Failed to HotPlugDiskVDS, error = internal error unable to execute QEMU command 'device_add': Device 'virtio-blk-pci' could not be initialized, code = 45
2014-07-09 18:18:33,343 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.HotPlugDiskVDSCommand] (ajp--127.0.0.1-8702-8) [22ba08f4] FINISH, HotPlugDiskVDSCommand, log id: 6ef611c2
2014-07-09 18:18:33,348 ERROR [org.ovirt.engine.core.bll.AttachDiskToVmCommand] (ajp--127.0.0.1-8702-8) [22ba08f4] Command org.ovirt.engine.core.bll.AttachDiskToVmCommand throw Vdc Bll exception. With error message VdcBLLException: org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericException: VDSErrorException: Failed to HotPlugDiskVDS, error = internal error unable to execute QEMU command 'device_add': Device 'virtio-blk-pci' could not be initialized, code = 45 (Failed with error FailedToPlugDisk and code 45)
2014-07-09 18:18:33,360 ERROR [org.ovirt.engine.core.bll.AttachDiskToVmCommand] (ajp--127.0.0.1-8702-8) [22ba08f4] Transaction rolled-back for command: org.ovirt.engine.core.bll.AttachDiskToVmCommand.
2014-07-09 18:18:33,378 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ajp--127.0.0.1-8702-8) [22ba08f4] Correlation ID: 22ba08f4, Call Stack: null, Custom Event ID: -1, Message: Failed to attach Disk disk_1 to VM vm (User: admin).
2014-07-09 18:18:33,385 INFO  [org.ovirt.engine.core.bll.AttachDiskToVmCommand] (ajp--127.0.0.1-8702-8) [22ba08f4] Lock freed to object EngineLock [exclusiveLocks= key: 24d43e68-027f-4cb0-8419-451e98621efa value: DISK


Version-Release number of selected component (if applicable):
alpha2

How reproducible:
100%

Steps to Reproduce:

1.create a vm+thin nfs disk
2.run vm and deactivate it's disk
3.create a direct-Lun disk
4.HotPlug it to the vm

Actual results:
operation Fails

Expected results:
operation should be successful or not be aloud

Additional info:
not a regression