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

Fri Jul 14 16:18:08 UTC 2017

I have attached the logs.

--

Devin Acosta
Red Hat Certified Architect, LinuxStack
602-354-1220 <//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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