Live Storage Migration (LSM) of a VM disk to another Storage Domain fails with error.

Solution In Progress - Updated -

Environment

  • Red Hat Virtualization - RHV-4.1.11
  • vdsm-4.20.43-1.el7ev.x86_64
  • libvirt-4.5.0-10.el7_6.2.x86_64
  • qemu-kvm-rhev-2.12.0-18.el7_6.1.x86_64

Issue

  • Moving a VM disk from OLD_SD-1 to NEW_SD-1.

  • Live Storage Migration (LSM) of a VM disk to another Storage Domain fails with error:

User admin@internal have failed to move disk VM_DISK-1 to domain NEW_SD-1.
  • Engine logs shows the following error:
2018-12-18 20:24:42,436+01 ERROR [org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] EngineException: Failed to change disk image (Failed with error FAILED_CHANGE_CD_IS_MOUNTED and code 41): org.ovirt.engine.core.common.errors.EngineException: EngineException: Failed to change disk image (Failed with error FAILED_CHANGE_CD_IS_MOUNTED and code 41)
  • Host VDSM logs show the following error:
2018-12-18 20:24:41,596+0100 ERROR (jsonrpc/0) [virt.vm] (vmId='83579e22-d9c3-4b60-8ef9-90fe072d7aa9') Unable to stop the replication for the drive: vdb (vm:4807)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 4804, in diskReplicateFinish
    self._dom.blockJobAbort(drive.name, blockJobFlags)
  File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 98, in f
    ret = attr(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", line 130, in wrapper
    ret = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 92, in wrapper
    return func(inst, *args, **kwargs)
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 784, in blockJobAbort
    if ret == -1: raise libvirtError ('virDomainBlockJobAbort() failed', dom=self)
libvirtError: internal error: unable to execute QEMU command 'block-job-complete': Block job 'drive-virtio-disk1' not found

Resolution

  • From the log analysis, it appears there are two BZ's, 1643707 and 1660265, encountered here and are currently in further review with Engineering.

  • However, the fixing of the bugs is blocked by inability to reproduce due to no libvirt logging available. Consider enabling libvirt logs using virt-admin command without restarting libvirt to help us getting the right logs and fixing the bug.

  • If Live Storage Migration of a VM disk fails, please add a case with Red Hat Support, as as manual modifications will be required in order to allow subsequent Live Storage Migration to complete.

Diagnostic Steps

  • According to the RHV-M database, the VM_DISK-1 (6237a3f8-b6a1-427d-aa88-fc0cc861c76f) and the volume/image 9bf9e7bb-86c2-424e-b33d-9d946adba1df is currently on Storage Domain OLD_SD-1.

              image_guid              |            image_group_id            |            vm_snapshot_id            
--------------------------------------+--------------------------------------+--------------------------------------
 9bf9e7bb-86c2-424e-b33d-9d946adba1df | 6237a3f8-b6a1-427d-aa88-fc0cc861c76f | afecd3d7-c2d5-48d9-b77b-6be6bbdf1afb 
(1 row)

    For image_guid = 9bf9e7bb-86c2-424e-b33d-9d946adba1df , SD = ada64b09-df97-45eb-a883-2df06c369b63 ( OLD_SD-1 ) ;
  • From the Engine logs, the Live Storage Migration fails at the VmReplicateDiskFinishVDSCommand.
2018-12-18 20:24:40,166+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.VmReplicateDiskFinishVDSCommand] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] START, VmReplicateDiskFinishVDSCommand(HostName = RHEVH-host1, VmReplicateDiskParameters:{runAsync='true', hostId='c2c1909f-02b6-4678-aca9-bab43d2d8d19', vmId='83579e22-d9c3-4b60-8ef9-90fe072d7aa9', storagePoolId='0fc78b78-f24f-4508-ad8b-b083bd9da4f0', srcStorageDomainId='ada64b09-df97-45eb-a883-2df06c369b63', targetStorageDomainId='4d7b32ed-32a0-4ec0-9660-5611869a43e4', imageGroupId='6237a3f8-b6a1-427d-aa88-fc0cc861c76f', imageId='c09fdd94-a0e9-498a-8128-ccf51f71701b'}), log id: 516166e7

2018-12-18 20:24:42,414+01 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] EVENT_ID: VDS_BROKER_COMMAND_FAILURE(10,802), Correlation ID: null, Call Stack: null, Custom ID: null, Custom Event ID: -1, Message: VDSM RHEVH-host1 command VmReplicateDiskFinishVDS failed: Failed to change disk image

2018-12-18 20:24:42,414+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.VmReplicateDiskFinishVDSCommand] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] Command 'org.ovirt.engine.core.vdsbroker.vdsbroker.VmReplicateDiskFinishVDSCommand' return value 'StatusOnlyReturn [status=Status [code=41, message=Failed to change disk image]]'

2018-12-18 20:24:42,414+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.VmReplicateDiskFinishVDSCommand] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] HostName = RHEVH-host1

2018-12-18 20:24:42,415+01 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VmReplicateDiskFinishVDSCommand] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] Command 'VmReplicateDiskFinishVDSCommand(HostName = RHEVH-host1, VmReplicateDiskParameters:{runAsync='true', hostId='c2c1909f-02b6-4678-aca9-bab43d2d8d19', vmId='83579e22-d9c3-4b60-8ef9-90fe072d7aa9', storagePoolId='0fc78b78-f24f-4508-ad8b-b083bd9da4f0', srcStorageDomainId='ada64b09-df97-45eb-a883-2df06c369b63', targetStorageDomainId='4d7b32ed-32a0-4ec0-9660-5611869a43e4', imageGroupId='6237a3f8-b6a1-427d-aa88-fc0cc861c76f', imageId='c09fdd94-a0e9-498a-8128-ccf51f71701b'})' execution failed: VDSGenericException: VDSErrorException: Failed in vdscommand to VmReplicateDiskFinishVDS, error = Failed to change disk image

2018-12-18 20:24:42,415+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.VmReplicateDiskFinishVDSCommand] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] FINISH, VmReplicateDiskFinishVDSCommand, log id: 516166e7

2018-12-18 20:24:42,436+01 ERROR [org.ovirt.engine.core.bll.storage.lsm.LiveMigrateDiskCommand] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] Failed VmReplicateDiskFinish (Disk '6237a3f8-b6a1-427d-aa88-fc0cc861c76f', VM '83579e22-d9c3-4b60-8ef9-90fe072d7aa9')

2018-12-18 20:24:42,436+01 ERROR [org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] Command 'LiveMigrateDisk' id: '0de5d5db-9892-4551-a777-64348df82cef' with children [5dcb6378-8dd5-4eb7-be2c-d6b7d4986c89, 87bbfa94-99a0-456b-82f8-1aa698b96861] failed when attempting to perform the next operation, marking as 'ACTIVE'

2018-12-18 20:24:42,436+01 ERROR [org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] (DefaultQuartzScheduler7) [3256ba78-dfbb-4863-af33-ab8a1cc7d732] EngineException: Failed to change disk image (Failed with error FAILED_CHANGE_CD_IS_MOUNTED and code 41): org.ovirt.engine.core.common.errors.EngineException: EngineException: Failed to change disk image (Failed with error FAILED_CHANGE_CD_IS_MOUNTED and code 41)
        at org.ovirt.engine.core.bll.storage.lsm.LiveMigrateDiskCommand.replicateDiskFinish(LiveMigrateDiskCommand.java:211) [bll.jar:]
        at org.ovirt.engine.core.bll.storage.lsm.LiveMigrateDiskCommand.completeLiveMigration(LiveMigrateDiskCommand.java:183) [bll.jar:]
        at org.ovirt.engine.core.bll.storage.lsm.LiveMigrateDiskCommand.performNextOperation(LiveMigrateDiskCommand.java:119) [bll.jar:]
        at org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback.childCommandsExecutionEnded(SerialChildCommandsExecutionCallback.java:29) [bll.jar:]
        at org.ovirt.engine.core.bll.ChildCommandsCallbackBase.doPolling(ChildCommandsCallbackBase.java:63) [bll.jar:]
        at org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller.invokeCallbackMethods(CommandCallbacksPoller.java:114) [bll.jar:]
        at sun.reflect.GeneratedMethodAccessor282.invoke(Unknown Source) [:1.8.0_171]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_171]
        at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_171]
        at org.ovirt.engine.core.utils.timer.JobWrapper.invokeMethod(JobWrapper.java:83) [scheduler.jar:]
        at org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:55) [scheduler.jar:]
        at org.quartz.core.JobRunShell.run(JobRunShell.java:213) [quartz.jar:]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_171]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_171]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_171]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_171]
        at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_171]
  • On the host VDSM logs, the following error is logged.
2018-12-18 20:24:40,169+0100 INFO  (jsonrpc/0) [api.virt] START diskReplicateFinish(srcDisk={u'device': u'disk', u'poolID': u'0fc78b78-f24f-4508-ad8b-b083bd9da4f0', u'volumeID': u'c09fdd94-a0e9-498a-8128-ccf51f71701b', u'domainID': u'ada64b09-df97-45eb-a883-2df06c369b63', u'imageID': u'6237a3f8-b6a1-427d-aa88-fc0cc861c76f'}, dstDisk={u'device': u'disk', u'poolID': u'0fc78b78-f24f-4508-ad8b-b083bd9da4f0', u'volumeID': u'c09fdd94-a0e9-498a-8128-ccf51f71701b', u'domainID': u'4d7b32ed-32a0-4ec0-9660-5611869a43e4', u'imageID': u'6237a3f8-b6a1-427d-aa88-fc0cc861c76f'}) from=::ffff:XX.XXX.XX.XX,56054, flow_id=3256ba78-dfbb-4863-af33-ab8a1cc7d732, vmId=83579e22-d9c3-4b60-8ef9-90fe072d7aa9 (api:46)

2018-12-18 20:24:41,505+0100 INFO  (jsonrpc/0) [virt.vm] (vmId='83579e22-d9c3-4b60-8ef9-90fe072d7aa9') Disabling drive monitoring (drivemonitor:58)

2018-12-18 20:24:41,596+0100 ERROR (jsonrpc/0) [virt.vm] (vmId='83579e22-d9c3-4b60-8ef9-90fe072d7aa9') Unable to stop the replication for the drive: vdb (vm:4807)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 4804, in diskReplicateFinish
    self._dom.blockJobAbort(drive.name, blockJobFlags)
  File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 98, in f
    ret = attr(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", line 130, in wrapper
    ret = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 92, in wrapper
    return func(inst, *args, **kwargs)
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 784, in blockJobAbort
    if ret == -1: raise libvirtError ('virDomainBlockJobAbort() failed', dom=self)
libvirtError: internal error: unable to execute QEMU command 'block-job-complete': Block job 'drive-virtio-disk1' not found
  • The libvirt (/var/log/libvirt/qemu/VM-name.log) reports the following error.
2018-12-18T19:24:41.542589Z qemu-kvm: Failed to flush the L2 table cache: Permission denied
2018-12-18T19:24:41.543155Z qemu-kvm: Failed to flush the refcount block cache: Permission denied

  • After the failure, the destination Storage domain 4d7b32ed-32a0-4ec0-9660-5611869a43e4 contains the VM disk volume/images

  • The volume/image 9bf9e7bb-86c2-424e-b33d-9d946adba1df is still open on the source storage domain ada64b09-df97-45eb-a883-2df06c369b63.

  9bf9e7bb-86c2-424e-b33d-9d946adba1df ada64b09-df97-45eb-a883-2df06c369b63    1 -wi-ao----  150.00g  IU_6237a3f8-b6a1-427d-aa88-fc0cc861c76f,MD_22,PU_00000000-0000-0000-0000-000000000000           

  9bf9e7bb-86c2-424e-b33d-9d946adba1df 4d7b32ed-32a0-4ec0-9660-5611869a43e4    1 -wi-------  150.00g  IU_6237a3f8-b6a1-427d-aa88-fc0cc861c76f,MD_69,PU_00000000-0000-0000-0000-000000000000           
  c09fdd94-a0e9-498a-8128-ccf51f71701b 4d7b32ed-32a0-4ec0-9660-5611869a43e4    1 -wi-------    3.00g  IU_6237a3f8-b6a1-427d-aa88-fc0cc861c76f,MD_70,PU_9bf9e7bb-86c2-424e-b33d-9d946adba1df

  • The /rhev/data-center/ storage domain tree listing on the host where the VM is running on, shows extra live storage migration snapshot volume/images from the failed attempts.

  • Only the open image 9bf9e7bb-86c2-424e-b33d-9d946adba1df has valid link to the /dev device, all others are broken symbolic link

SD ada64b09-df97-45eb-a883-2df06c369b63 source storage domain:

./rhev/data-center/mnt/blockSD/ada64b09-df97-45eb-a883-2df06c369b63/images/6237a3f8-b6a1-427d-aa88-fc0cc861c76f:
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       9bf9e7bb-86c2-424e-b33d-9d946adba1df -> /dev/ada64b09-df97-45eb-a883-2df06c369b63/9bf9e7bb-86c2-424e-b33d-9d946adba1df
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       c09fdd94-a0e9-498a-8128-ccf51f71701b -> /dev/ada64b09-df97-45eb-a883-2df06c369b63/c09fdd94-a0e9-498a-8128-ccf51f71701b
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       39d536a4-1d37-4cc4-a92e-6b6f85740724 -> /dev/ada64b09-df97-45eb-a883-2df06c369b63/39d536a4-1d37-4cc4-a92e-6b6f85740724
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       281178c8-0f13-44b0-b42b-7f0e90f9d223 -> /dev/ada64b09-df97-45eb-a883-2df06c369b63/281178c8-0f13-44b0-b42b-7f0e90f9d223
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       4fb7891d-e4b6-48ad-a269-fa1789806bd0 -> /dev/ada64b09-df97-45eb-a883-2df06c369b63/4fb7891d-e4b6-48ad-a269-fa1789806bd0
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       d7b9ad6c-3bf4-4f27-8a8d-5cdc983654b2 -> /dev/ada64b09-df97-45eb-a883-2df06c369b63/d7b9ad6c-3bf4-4f27-8a8d-5cdc983654b2

# file 9bf9e7bb-86c2-424e-b33d-9d946adba1df
9bf9e7bb-86c2-424e-b33d-9d946adba1df: symbolic link to `/dev/ada64b09-df97-45eb-a883-2df06c369b63/9bf9e7bb-86c2-424e-b33d-9d946adba1df'

# file c09fdd94-a0e9-498a-8128-ccf51f71701b
c09fdd94-a0e9-498a-8128-ccf51f71701b: broken symbolic link to `/dev/ada64b09-df97-45eb-a883-2df06c369b63/c09fdd94-a0e9-498a-8128-ccf51f71701b'

# file 39d536a4-1d37-4cc4-a92e-6b6f85740724
39d536a4-1d37-4cc4-a92e-6b6f85740724: broken symbolic link to `/dev/ada64b09-df97-45eb-a883-2df06c369b63/39d536a4-1d37-4cc4-a92e-6b6f85740724'

# file 281178c8-0f13-44b0-b42b-7f0e90f9d223
281178c8-0f13-44b0-b42b-7f0e90f9d223: broken symbolic link to `/dev/ada64b09-df97-45eb-a883-2df06c369b63/281178c8-0f13-44b0-b42b-7f0e90f9d223'

# file 4fb7891d-e4b6-48ad-a269-fa1789806bd0
4fb7891d-e4b6-48ad-a269-fa1789806bd0: broken symbolic link to `/dev/ada64b09-df97-45eb-a883-2df06c369b63/4fb7891d-e4b6-48ad-a269-fa1789806bd0'

# file d7b9ad6c-3bf4-4f27-8a8d-5cdc983654b2
d7b9ad6c-3bf4-4f27-8a8d-5cdc983654b2: broken symbolic link to `/dev/ada64b09-df97-45eb-a883-2df06c369b63/d7b9ad6c-3bf4-4f27-8a8d-5cdc983654b2'

SD 4d7b32ed-32a0-4ec0-9660-5611869a43e4 destination storage domain:

./rhev/data-center/mnt/blockSD/4d7b32ed-32a0-4ec0-9660-5611869a43e4/images/6237a3f8-b6a1-427d-aa88-fc0cc861c76f:
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       9bf9e7bb-86c2-424e-b33d-9d946adba1df -> /dev/4d7b32ed-32a0-4ec0-9660-5611869a43e4/9bf9e7bb-86c2-424e-b33d-9d946adba1df
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       c09fdd94-a0e9-498a-8128-ccf51f71701b -> /dev/4d7b32ed-32a0-4ec0-9660-5611869a43e4/c09fdd94-a0e9-498a-8128-ccf51f71701b
lrwxrwxrwx. vdsm kvm system_u:object_r:mnt_t:s0       39d536a4-1d37-4cc4-a92e-6b6f85740724 -> /dev/4d7b32ed-32a0-4ec0-9660-5611869a43e4/39d536a4-1d37-4cc4-a92e-6b6f85740724

# file 9bf9e7bb-86c2-424e-b33d-9d946adba1df
9bf9e7bb-86c2-424e-b33d-9d946adba1df: broken symbolic link to `/dev/4d7b32ed-32a0-4ec0-9660-5611869a43e4/9bf9e7bb-86c2-424e-b33d-9d946adba1df'

# file c09fdd94-a0e9-498a-8128-ccf51f71701b
c09fdd94-a0e9-498a-8128-ccf51f71701b: broken symbolic link to `/dev/4d7b32ed-32a0-4ec0-9660-5611869a43e4/c09fdd94-a0e9-498a-8128-ccf51f71701b'

# file 39d536a4-1d37-4cc4-a92e-6b6f85740724
39d536a4-1d37-4cc4-a92e-6b6f85740724: broken symbolic link to `/dev/4d7b32ed-32a0-4ec0-9660-5611869a43e4/39d536a4-1d37-4cc4-a92e-6b6f85740724'
  • Subsequent reattempts to live migrate the disk fails with the following as the volume/image already exists on the destination storage domain
2018-12-19 12:28:28,845+01 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.HSMGetAllTasksStatusesVDSCommand] (DefaultQuartzScheduler3) [3379be8f] Failed in 'HSMGetAllTasksStatusesVDS' method

2018-12-19 12:28:28,856+01 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler3) [3379be8f] EVENT_ID: VDS_BROKER_COMMAND_FAILURE(10,802), Correlation ID: null, Call Stack: null, Custom ID: null, Custom Event ID: -1, Message: VDSM RHEVH-host1 command HSMGetAllTasksStatusesVDS failed: Cannot create Logical Volume: 'vgname=4d7b32ed-32a0-4ec0-9660-5611869a43e4 lvname=9bf9e7bb-86c2-424e-b33d-9d946adba1df err=[\'  Logical Volume "9bf9e7bb-86c2-424e-b33d-9d946adba1df" already exists in volume group "4d7b32ed-32a0-4ec0-9660-5611869a43e4"\']'

2018-12-19 12:28:28,856+01 INFO  [org.ovirt.engine.core.bll.tasks.SPMAsyncTask] (DefaultQuartzScheduler3) [3379be8f] SPMAsyncTask::PollTask: Polling task '99efcf42-4863-4850-9e65-06bcb71a115e' (Parent Command 'CreateImagePlaceholder', Parameters Type 'org.ovirt.engine.core.common.asynctasks.AsyncTaskParameters') returned status 'finished', result 'cleanSuccess'.

2018-12-19 12:28:28,860+01 ERROR [org.ovirt.engine.core.bll.tasks.SPMAsyncTask] (DefaultQuartzScheduler3) [3379be8f] BaseAsyncTask::logEndTaskFailure: Task '99efcf42-4863-4850-9e65-06bcb71a115e' (Parent Command 'CreateImagePlaceholder', Parameters Type 'org.ovirt.engine.core.common.asynctasks.AsyncTaskParameters') ended with failure:
-- Result: 'cleanSuccess'
-- Message: 'VDSGenericException: VDSErrorException: Failed to HSMGetAllTasksStatusesVDS, error = Cannot create Logical Volume: 'vgname=4d7b32ed-32a0-4ec0-9660-5611869a43e4 lvname=9bf9e7bb-86c2-424e-b33d-9d946adba1df err=[\'  Logical Volume "9bf9e7bb-86c2-424e-b33d-9d946adba1df" already exists in volume group "4d7b32ed-32a0-4ec0-9660-5611869a43e4"\']', code = 550',
-- Exception: 'VDSGenericException: VDSErrorException: Failed to HSMGetAllTasksStatusesVDS, error = Cannot create Logical Volume: 'vgname=4d7b32ed-32a0-4ec0-9660-5611869a43e4 lvname=9bf9e7bb-86c2-424e-b33d-9d946adba1df err=[\'  Logical Volume "9bf9e7bb-86c2-424e-b33d-9d946adba1df" already exists in volume group "4d7b32ed-32a0-4ec0-9660-5611869a 43e4"\']', code = 550'

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