[ovirt-users] oVIRT 4.1.3 / iSCSI / VM Multiple Disks / Snapshot deletion issue.
Ala Hino
ahino at redhat.com
Sun Jul 16 09:37:12 UTC 2017
Please note that bug 1461029
<https://bugzilla.redhat.com/show_bug.cgi?id=1461029> is about live merge
(the VM is up) while, at least according to the logs, the issue described
here is related to cold merge (the VM is down).
On Thu, Jul 13, 2017 at 7:22 PM, richard anthony falzini <
richardfalzini at gmail.com> wrote:
> Hi,
> i have the same problem with gluster.
> this is a bug that i opened https://bugzilla.redhat.com/
> show_bug.cgi?id=1461029 .
> In the bug i used single disk vm but i start to notice the problem with
> multiple disk vm.
>
>
> 2017-07-13 0:07 GMT+02:00 Devin Acosta <devin at pabstatencio.com>:
>
>> We are running a fresh install of oVIRT 4.1.3, using ISCSI, the VM in
>> question has multiple Disks (4 to be exact). It snapshotted OK while on
>> iSCSI however when I went to delete the single snapshot that existed it
>> went into Locked state and never came back. The deletion has been going for
>> well over an hour, and I am not convinced since the snapshot is less than
>> 12 hours old that it’s really doing anything.
>>
>> I have seen that doing some Googling indicates there might be some known
>> issues with iSCSI/Block Storage/Multiple Disk Snapshot issues.
>>
>> In the logs on the engine it shows:
>>
>> 2017-07-12 21:59:42,473Z INFO [org.ovirt.engine.core.bll.Se
>> rialChildCommandsExecutionCallback] (DefaultQuartzScheduler2)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command
>> 'ColdMergeSnapshotSingleDisk' (id: '75c535fd-4558-459a-9992-875c48578a97')
>> waiting on child command id: 'd92e9a22-5f0f-4b61-aac6-5601f8ac2cda'
>> type:'PrepareMerge' to complete
>> 2017-07-12 21:59:52,480Z INFO [org.ovirt.engine.core.bll.Co
>> ncurrentChildCommandsExecutionCallback] (DefaultQuartzScheduler2)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command 'RemoveSnapshot' (id:
>> '40482d09-8a7c-4dbd-8324-3e789296887a') waiting on child command id:
>> '75c535fd-4558-459a-9992-875c48578a97' type:'ColdMergeSnapshotSingleDisk'
>> to complete
>> 2017-07-12 21:59:52,483Z INFO [org.ovirt.engine.core.bll.Se
>> rialChildCommandsExecutionCallback] (DefaultQuartzScheduler2)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command
>> 'ColdMergeSnapshotSingleDisk' (id: '75c535fd-4558-459a-9992-875c48578a97')
>> waiting on child command id: 'd92e9a22-5f0f-4b61-aac6-5601f8ac2cda'
>> type:'PrepareMerge' to complete
>> 2017-07-12 22:00:02,490Z INFO [org.ovirt.engine.core.bll.Co
>> ncurrentChildCommandsExecutionCallback] (DefaultQuartzScheduler6)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command 'RemoveSnapshot' (id:
>> '40482d09-8a7c-4dbd-8324-3e789296887a') waiting on child command id:
>> '75c535fd-4558-459a-9992-875c48578a97' type:'ColdMergeSnapshotSingleDisk'
>> to complete
>> 2017-07-12 22:00:02,493Z INFO [org.ovirt.engine.core.bll.Se
>> rialChildCommandsExecutionCallback] (DefaultQuartzScheduler6)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command
>> 'ColdMergeSnapshotSingleDisk' (id: '75c535fd-4558-459a-9992-875c48578a97')
>> waiting on child command id: 'd92e9a22-5f0f-4b61-aac6-5601f8ac2cda'
>> type:'PrepareMerge' to complete
>> 2017-07-12 22:00:12,498Z INFO [org.ovirt.engine.core.bll.Co
>> ncurrentChildCommandsExecutionCallback] (DefaultQuartzScheduler3)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command 'RemoveSnapshot' (id:
>> '40482d09-8a7c-4dbd-8324-3e789296887a') waiting on child command id:
>> '75c535fd-4558-459a-9992-875c48578a97' type:'ColdMergeSnapshotSingleDisk'
>> to complete
>> 2017-07-12 22:00:12,501Z INFO [org.ovirt.engine.core.bll.Se
>> rialChildCommandsExecutionCallback] (DefaultQuartzScheduler3)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command
>> 'ColdMergeSnapshotSingleDisk' (id: '75c535fd-4558-459a-9992-875c48578a97')
>> waiting on child command id: 'd92e9a22-5f0f-4b61-aac6-5601f8ac2cda'
>> type:'PrepareMerge' to complete
>> 2017-07-12 22:00:22,508Z INFO [org.ovirt.engine.core.bll.Co
>> ncurrentChildCommandsExecutionCallback] (DefaultQuartzScheduler5)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command 'RemoveSnapshot' (id:
>> '40482d09-8a7c-4dbd-8324-3e789296887a') waiting on child command id:
>> '75c535fd-4558-459a-9992-875c48578a97' type:'ColdMergeSnapshotSingleDisk'
>> to complete
>> 2017-07-12 22:00:22,511Z INFO [org.ovirt.engine.core.bll.Se
>> rialChildCommandsExecutionCallback] (DefaultQuartzScheduler5)
>> [a5f6eaf2-7996-4d51-ba62-050272d1f097] Command
>> 'ColdMergeSnapshotSingleDisk' (id: '75c535fd-4558-459a-9992-875c48578a97')
>> waiting on child command id: 'd92e9a22-5f0f-4b61-aac6-5601f8ac2cda'
>> type:'PrepareMerge' to complete
>>
>> This is what I seen on the SPM when I grep’d the Snapshot ID.
>>
>> 2017-07-12 14:22:18,773-0700 INFO (jsonrpc/6) [vdsm.api] START
>> createVolume(sdUUID=u'0c02a758-4295-4199-97de-b041744b3b15',
>> spUUID=u'00000001-0001-0001-0001-000000000311',
>> imgUUID=u'6a887015-67cd-4f7b-b709-eef97142258d', size=u'107374182400',
>> volFormat=4, preallocate=2, diskType=2, volUUID=u'5921ba71-0f00-46cd-b0be-3c2ac1396845',
>> desc=u'', srcImgUUID=u'6a887015-67cd-4f7b-b709-eef97142258d',
>> srcVolUUID=u'0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae', initialSize=None)
>> from=::ffff:10.4.64.7,60016, flow_id=e94eebf8-75dc-407a-8916-f4ff632f843e
>> (api:46)
>> 2017-07-12 14:22:19,095-0700 WARN (tasks/6) [root] File:
>> /rhev/data-center/00000001-0001-0001-0001-000000000311/0c02a
>> 758-4295-4199-97de-b041744b3b15/images/6a887015-67cd-4f7b-
>> b709-eef97142258d/5921ba71-0f00-46cd-b0be-3c2ac1396845 already removed
>> (utils:120)
>> 2017-07-12 14:22:19,096-0700 INFO (tasks/6) [storage.Volume] Request to
>> create snapshot 6a887015-67cd-4f7b-b709-eef97142258d/5921ba71-0f00-46cd-b0be-3c2ac1396845
>> of volume 6a887015-67cd-4f7b-b709-eef97142258d/0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae
>> (blockVolume:545)
>> 2017-07-12 14:22:19,676-0700 INFO (tasks/6) [storage.LVM] Change LV tags
>> (vg=0c02a758-4295-4199-97de-b041744b3b15, lv=5921ba71-0f00-46cd-b0be-3c2ac1396845,
>> delTags=['OVIRT_VOL_INITIALIZING'], addTags=['MD_10',
>> u'PU_0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae',
>> u'IU_6a887015-67cd-4f7b-b709-eef97142258d']) (lvm:1344)
>> 2017-07-12 14:22:36,010-0700 INFO (jsonrpc/5) [vdsm.api] START
>> getVolumeInfo(sdUUID=u'0c02a758-4295-4199-97de-b041744b3b15',
>> spUUID=u'00000001-0001-0001-0001-000000000311',
>> imgUUID=u'6a887015-67cd-4f7b-b709-eef97142258d',
>> volUUID=u'5921ba71-0f00-46cd-b0be-3c2ac1396845', options=None)
>> from=::ffff:10.4.64.7,59664, flow_id=e94eebf8-75dc-407a-8916-f4ff632f843e
>> (api:46)
>> 2017-07-12 14:22:36,077-0700 INFO (jsonrpc/5) [storage.VolumeManifest]
>> Info request: sdUUID=0c02a758-4295-4199-97de-b041744b3b15
>> imgUUID=6a887015-67cd-4f7b-b709-eef97142258d volUUID =
>> 5921ba71-0f00-46cd-b0be-3c2ac1396845 (volume:238)
>> 2017-07-12 14:22:36,185-0700 INFO (jsonrpc/5) [storage.VolumeManifest]
>> 0c02a758-4295-4199-97de-b041744b3b15/6a887015-67cd-4f7b-
>> b709-eef97142258d/5921ba71-0f00-46cd-b0be-3c2ac1396845 info is
>> {'status': 'OK', 'domain': '0c02a758-4295-4199-97de-b041744b3b15',
>> 'voltype': 'LEAF', 'description': '', 'parent':
>> '0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae', 'format': 'COW', 'generation':
>> 0, 'image': '6a887015-67cd-4f7b-b709-eef97142258d', 'ctime':
>> '1499894539', 'disktype': '2', 'legality': 'LEGAL', 'mtime': '0',
>> 'apparentsize': '1073741824', 'children': [], 'pool': '', 'capacity':
>> '107374182400', 'uuid': u'5921ba71-0f00-46cd-b0be-3c2ac1396845',
>> 'truesize': '1073741824', 'type': 'SPARSE', 'lease': {'owners': [],
>> 'version': None}} (volume:272)
>> 2017-07-12 14:22:36,186-0700 INFO (jsonrpc/5) [vdsm.api] FINISH
>> getVolumeInfo return={'info': {'status': 'OK', 'domain':
>> '0c02a758-4295-4199-97de-b041744b3b15', 'voltype': 'LEAF',
>> 'description': '', 'parent': '0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae',
>> 'format': 'COW', 'generation': 0, 'image': '6a887015-67cd-4f7b-b709-eef97142258d',
>> 'ctime': '1499894539', 'disktype': '2', 'legality': 'LEGAL', 'mtime': '0',
>> 'apparentsize': '1073741824', 'children': [], 'pool': '', 'capacity':
>> '107374182400', 'uuid': u'5921ba71-0f00-46cd-b0be-3c2ac1396845',
>> 'truesize': '1073741824', 'type': 'SPARSE', 'lease': {'owners': [],
>> 'version': None}}} from=::ffff:10.4.64.7,59664,
>> flow_id=e94eebf8-75dc-407a-8916-f4ff632f843e (api:52)
>> 2017-07-12 14:24:24,854-0700 INFO (jsonrpc/1) [vdsm.api] START
>> deleteVolume(sdUUID=u'0c02a758-4295-4199-97de-b041744b3b15',
>> spUUID=u'00000001-0001-0001-0001-000000000311',
>> imgUUID=u'6a887015-67cd-4f7b-b709-eef97142258d',
>> volumes=[u'5921ba71-0f00-46cd-b0be-3c2ac1396845'], postZero=u'false',
>> force=u'false', discard=False) from=::ffff:10.4.64.7,60016,
>> flow_id=c5e4bda4-9cd3-461d-8164-51d5614b995e (api:46)
>> 2017-07-12 14:24:25,010-0700 INFO (tasks/7) [storage.Volume] Request to
>> delete LV 5921ba71-0f00-46cd-b0be-3c2ac1396845 of image
>> 6a887015-67cd-4f7b-b709-eef97142258d in VG 0c02a758-4295-4199-97de-b041744b3b15
>> (blockVolume:579)
>> 2017-07-12 14:24:25,130-0700 INFO (tasks/7) [storage.VolumeManifest]
>> sdUUID=0c02a758-4295-4199-97de-b041744b3b15
>> imgUUID=6a887015-67cd-4f7b-b709-eef97142258d volUUID =
>> 5921ba71-0f00-46cd-b0be-3c2ac1396845 legality = ILLEGAL (volume:398)
>> 2017-07-12 14:24:38,881-0700 INFO (jsonrpc/2) [vdsm.api] START
>> getVolumeInfo(sdUUID=u'0c02a758-4295-4199-97de-b041744b3b15',
>> spUUID=u'00000001-0001-0001-0001-000000000311',
>> imgUUID=u'6a887015-67cd-4f7b-b709-eef97142258d',
>> volUUID=u'5921ba71-0f00-46cd-b0be-3c2ac1396845', options=None)
>> from=::ffff:10.4.64.7,59664, flow_id=c5e4bda4-9cd3-461d-8164-51d5614b995e
>> (api:46)
>> 2017-07-12 14:24:49,911-0700 INFO (jsonrpc/1) [vdsm.api] START
>> getVolumeInfo(sdUUID=u'0c02a758-4295-4199-97de-b041744b3b15',
>> spUUID=u'00000001-0001-0001-0001-000000000311',
>> imgUUID=u'6a887015-67cd-4f7b-b709-eef97142258d',
>> volUUID=u'0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae', options=None)
>> from=::ffff:10.4.64.7,59664, flow_id=c5e4bda4-9cd3-461d-8164-51d5614b995e
>> (api:46)
>> 2017-07-12 14:24:49,912-0700 INFO (jsonrpc/1) [storage.VolumeManifest]
>> Info request: sdUUID=0c02a758-4295-4199-97de-b041744b3b15
>> imgUUID=6a887015-67cd-4f7b-b709-eef97142258d volUUID =
>> 0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae (volume:238)
>> 2017-07-12 14:24:50,036-0700 INFO (jsonrpc/1) [storage.VolumeManifest]
>> 0c02a758-4295-4199-97de-b041744b3b15/6a887015-67cd-4f7b-
>> b709-eef97142258d/0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae info is
>> {'status': 'OK', 'domain': '0c02a758-4295-4199-97de-b041744b3b15',
>> 'voltype': 'LEAF', 'description': '', 'parent':
>> '00000000-0000-0000-0000-000000000000', 'format': 'COW', 'generation':
>> 0, 'image': '6a887015-67cd-4f7b-b709-eef97142258d', 'ctime':
>> '1499885619', 'disktype': '2', 'legality': 'LEGAL', 'mtime': '0',
>> 'apparentsize': '110729625600', 'children': [], 'pool': '', 'capacity':
>> '107374182400', 'uuid': u'0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae',
>> 'truesize': '110729625600', 'type': 'SPARSE', 'lease': {'owners': [],
>> 'version': None}} (volume:272)
>> 2017-07-12 14:24:50,037-0700 INFO (jsonrpc/1) [vdsm.api] FINISH
>> getVolumeInfo return={'info': {'status': 'OK', 'domain':
>> '0c02a758-4295-4199-97de-b041744b3b15', 'voltype': 'LEAF',
>> 'description': '', 'parent': '00000000-0000-0000-0000-000000000000',
>> 'format': 'COW', 'generation': 0, 'image': '6a887015-67cd-4f7b-b709-eef97142258d',
>> 'ctime': '1499885619', 'disktype': '2', 'legality': 'LEGAL', 'mtime': '0',
>> 'apparentsize': '110729625600', 'children': [], 'pool': '', 'capacity':
>> '107374182400', 'uuid': u'0c3de1a8-ac18-4d7b-b348-3b097bf0a0ae',
>> 'truesize': '110729625600', 'type': 'SPARSE', 'lease': {'owners': [],
>> 'version': None}}} from=::ffff:10.4.64.7,59664,
>> flow_id=c5e4bda4-9cd3-461d-8164-51d5614b995e (api:52)
>>
>> HELP, Right now I am starting to think Block Storage and oVIRT = BAD!
>>
>>
>>
>>
>> --
>>
>> Devin Acosta
>> Red Hat Certified Architect, LinuxStack
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>
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