[ovirt-users] oVIRT 4.1.3 / iSCSI / VM Multiple Disks / Snapshot deletion issue.

Benny Zlotnik bzlotnik at redhat.com
Sun Jul 16 10:08:57 UTC 2017


[Adding ovirt-users]

On Sun, Jul 16, 2017 at 12:58 PM, Benny Zlotnik <bzlotnik at redhat.com> wrote:
> We can see a lot of related errors in the engine log but we are unable
> to correlate to the vdsm log. Do you have more hosts? If yes, please
> attach their logs as well.
> And just to be sure you were attempting to perform cold merge?
>
> On Fri, Jul 14, 2017 at 7:32 PM, Devin Acosta <devin at pabstatencio.com> wrote:
>>
>> You can get my logs from:
>>
>> https://files.linuxstack.cloud/s/NjoyMF11I38rJpH
>>
>> They were a little to big to attach to this e-mail. Would like to know if
>> this is the similar bug that Richard indicated is a possibility.
>>
>> --
>>
>> Devin Acosta
>> Red Hat Certified Architect, LinuxStack
>> 602-354-1220 || devin at linuxguru.co
>>
>> On July 14, 2017 at 9:18:08 AM, Devin Acosta (devin at pabstatencio.com) wrote:
>>
>> I have attached the logs.
>>
>>
>>
>> --
>>
>> Devin Acosta
>> Red Hat Certified Architect, LinuxStack
>> 602-354-1220 || devin at linuxguru.co
>>
>> On July 13, 2017 at 9:22:03 AM, 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.SerialChildCommandsExecutionCallback]
>>> (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.ConcurrentChildCommandsExecutionCallback]
>>> (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.SerialChildCommandsExecutionCallback]
>>> (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.ConcurrentChildCommandsExecutionCallback]
>>> (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.SerialChildCommandsExecutionCallback]
>>> (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.ConcurrentChildCommandsExecutionCallback]
>>> (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.SerialChildCommandsExecutionCallback]
>>> (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.ConcurrentChildCommandsExecutionCallback]
>>> (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.SerialChildCommandsExecutionCallback]
>>> (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/00000001-0001-0001-0001-000000000311/0c02a758-4295-4199-97de-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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