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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> it seems that there is a broken chain – we see two “empty” parent_ids in the database:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">engine=# SELECT b.disk_alias, s.description,s.snapshot_id, i.creation_date, s.status, i.imagestatus, i.size,i.parentid,i.image_group_id, i.vm_snapshot_id, i.image_guid,
i.parentid, i.active FROM images as i JOIN snapshots AS s ON (i.vm_snapshot_id = s.snapshot_id) LEFT JOIN vm_static AS v ON (s.vm_id = v.vm_guid) JOIN base_disks AS b ON (i.image_group_id = b.disk_id) WHERE v.vm_name = 'VMNAME' and disk_alias = 'VMNAME_Disk2'
ORDER BY creation_date, description, disk_alias<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> disk_alias | description | snapshot_id | creation_date | status | imagestatus |
size | parentid | image_group_id | vm_snapshot_id | image_guid | parentid | active<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">------------------+------------------------------------------------------------+--------------------------------------+------------------------+--------+-------------+---------------+--------------------------------------+--------------------------------------+--------------------------------------+--------------------------------------+--------------------------------------+--------<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">VMNAME_Disk2 | tmp | 3920a4e1-fc3f-45e2-84d5-0d3f1b8ad608 | 2018-01-28 10:09:37+01 | OK | 1 |
1979979923456 | <b><span style="color:red">00000000-0000-0000-0000-000000000000</span></b><span style="color:red">
</span>| c1a05108-90d7-421d-a9b4-d4cc65c48429 | 3920a4e1-fc3f-45e2-84d5-0d3f1b8ad608 | 946ee7b7-0770-49c9-ac76-0ce95a433d0f | 00000000-0000-0000-0000-000000000000 | f<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">VMNAME_Disk2 | VMNAME_Disk2 Auto-generated for Live Storage Migration | 51f68304-e1a9-4400-aabc-8e3341d55fdc | 2018-03-16 15:07:35+01 | OK | 1 |
1979979923456 | <b><span style="color:red">00000000-0000-0000-0000-000000000000</span></b><span style="color:red">
</span>| c1a05108-90d7-421d-a9b4-d4cc65c48429 | 51f68304-e1a9-4400-aabc-8e3341d55fdc | 4c6475b1-352a-4114-b647-505cccbe6663 | 00000000-0000-0000-0000-000000000000 | f<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">VMNAME_Disk2 | Active VM | d59a9f9d-f0dc-48ec-97e8-9e7a8b81d76d | 2018-03-18 20:54:23+01 | OK | 1 |
1979979923456 | 946ee7b7-0770-49c9-ac76-0ce95a433d0f | c1a05108-90d7-421d-a9b4-d4cc65c48429 | d59a9f9d-f0dc-48ec-97e8-9e7a8b81d76d | 4659b5e0-93c1-478d-97d0-ec1cf4052028 | 946ee7b7-0770-49c9-ac76-0ce95a433d0f | t<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:DE">Is there a way to recover that disk?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE-AT" style="mso-fareast-language:DE">All the best,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE-AT" style="mso-fareast-language:DE">Simone<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="mso-fareast-language:DE">Von:</span></b><span style="mso-fareast-language:DE"> users-bounces@ovirt.org <users-bounces@ovirt.org>
<b>Im Auftrag von </b>Bruckner, Simone<br>
<b>Gesendet:</b> Sonntag, 18. März 2018 22:15<br>
<b>An:</b> users@ovirt.org<br>
<b>Betreff:</b> [ovirt-users] Cannot start VM after live storage migration - Bad volume specification<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> we did a live storage migration of one of three disks of a vm that failed because the vm became not responding when deleting the auto-snapshot:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-16 15:07:32.084+01 | 0 | Snapshot 'VMNAME_Disk2 Auto-generated for Live Storage Migration' creation for VM 'VMNAME' was initiated by xxx<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-16 15:07:32.097+01 | 0 | User xxx moving disk VMNAME_Disk2 to domain VMHOST_LUN_211.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-16 15:08:56.304+01 | 0 | Snapshot 'VMNAME_Disk2 Auto-generated for Live Storage Migration' creation for VM 'VMNAME' has been completed.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-16 16:40:48.89+01 | 0 | Snapshot 'VMNAME_Disk2 Auto-generated for Live Storage Migration' deletion for VM 'VMNAME' was initiated by xxx.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-16 16:44:44.813+01 | 1 | VM VMNAME is not responding.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-18 18:40:51.258+01 | 2 | Failed to delete snapshot 'VMNAME_Disk2 Auto-generated for Live Storage Migration' for VM 'VMNAME'.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-18 18:40:54.506+01 | 1 | Possible failure while deleting VMNAME_Disk2 from the source Storage Domain VMHOST_LUN_211 during the move operation. The Storage
Domain may be manually cleaned-up from possible leftover<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">s (User:xxx).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Now we cannot start the vm anymore as long as this disk is online. Error message is
</span><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">“VM VMNAME is down with error. Exit message: Bad volume specification {'index': 2, 'domainID': 'ecc71a64-62c1-43f4-bf1f-3bc1b22c7a8a', 'reqsize': '0', 'name': 'vdc', 'truesize': '2147483648',
'format': 'cow', 'discard': False, 'volumeID': '4659b5e0-93c1-478d-97d0-ec1cf4052028', 'apparentsize': '2147483648', 'imageID': 'c1a05108-90d7-421d-a9b4-d4cc65c48429', 'specParams': {}, 'iface': 'virtio', 'cache': 'none', 'propagateErrors': 'off', 'poolID':
'5849b030-626e-47cb-ad90-3ce782d831b3', 'device': 'disk', 'path': '/rhev/data-center/mnt/blockSD/ecc71a64-62c1-43f4-bf1f-3bc1b22c7a8a/images/c1a05108-90d7-421d-a9b4-d4cc65c48429/4659b5e0-93c1-478d-97d0-ec1cf4052028', 'serial': 'c1a05108-90d7-421d-a9b4-d4cc65c48429',
'diskType': 'block', 'type': 'block'}.”</span><span lang="EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">vdsm.log:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-18 21:53:33,815+0100 ERROR (vm/7d05e511) [storage.TaskManager.Task] (Task='fc3bac16-64f3-4910-8bc4-6cfdd4d270da') Unexpected error (task:875)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">Traceback (most recent call last):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/storage/task.py", line 882, in _run<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> return fn(*args, **kargs)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "<string>", line 2, in prepareImage<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line 48, in method<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> ret = func(*args, **kwargs)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/storage/hsm.py", line 3179, in prepareImage<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> raise se.prepareIllegalVolumeError(volUUID)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">prepareIllegalVolumeError: Cannot prepare illegal volume: ('4c6475b1-352a-4114-b647-505cccbe6663',)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-18 21:53:33,816+0100 INFO (vm/7d05e511) [storage.TaskManager.Task] (Task='fc3bac16-64f3-4910-8bc4-6cfdd4d270da') aborting: Task is aborted: "Cannot prepare illegal
volume: ('4c6475b1-352a-4114-b647-505cccbe6663',)" - code 227 (task:1181)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-18 21:53:33,816+0100 ERROR (vm/7d05e511) [storage.Dispatcher] FINISH prepareImage error=Cannot prepare illegal volume: ('4c6475b1-352a-4114-b647-505cccbe6663',)
(dispatcher:82)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-18 21:53:33,816+0100 ERROR (vm/7d05e511) [virt.vm] (vmId='7d05e511-2e97-4002-bded-285ec4e30587') The vm start process failed (vm:927)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">Traceback (most recent call last):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 856, in _startUnderlyingVm<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> self._run()<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 2661, in _run<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> self._devices = self._make_devices()<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 2608, in _make_devices<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> self._preparePathsForDrives(disk_params)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 1001, in _preparePathsForDrives<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> drive['path'] = self.cif.prepareVolumePath(drive, self.id)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> File "/usr/lib/python2.7/site-packages/vdsm/clientIF.py", line 393, in prepareVolumePath<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New""> raise vm.VolumeError(drive)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">VolumeError: Bad volume specification {'index': 2, 'domainID': 'ecc71a64-62c1-43f4-bf1f-3bc1b22c7a8a', 'reqsize': '0', 'name': 'vdc', 'truesize': '2147483648', 'format':
'cow', 'discard': False, 'volumeID': '4659b5e0-93c1-478d-97d0-ec1cf4052028', 'apparentsize': '2147483648', 'imageID': 'c1a05108-90d7-421d-a9b4-d4cc65c48429', 'specParams': {}, 'iface': 'virtio', 'cache': 'none', 'propagateErrors': 'off', 'poolID': '5849b030-626e-47cb-ad90-3ce782d831b3',
'device': 'disk', 'path': '/rhev/data-center/mnt/blockSD/ecc71a64-62c1-43f4-bf1f-3bc1b22c7a8a/images/c1a05108-90d7-421d-a9b4-d4cc65c48429/4659b5e0-93c1-478d-97d0-ec1cf4052028', 'serial': 'c1a05108-90d7-421d-a9b4-d4cc65c48429', 'diskType': 'block', 'type':
'block'}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Courier New"">2018-03-18 21:53:33,817+0100 INFO (vm/7d05e511) [virt.vm] (vmId='7d05e511-2e97-4002-bded-285ec4e30587') Changed state to Down: Bad volume specification {'index': 2, 'domainID':
'ecc71a64-62c1-43f4-bf1f-3bc1b22c7a8a', 'reqsize': '0', 'name': 'vdc', 'truesize': '2147483648', 'format': 'cow', 'discard': False, 'volumeID': '4659b5e0-93c1-478d-97d0-ec1cf4052028', 'apparentsize': '2147483648', 'imageID': 'c1a05108-90d7-421d-a9b4-d4cc65c48429',
'specParams': {}, 'iface': 'virtio', 'cache': 'none', 'propagateErrors': 'off', 'poolID': '5849b030-626e-47cb-ad90-3ce782d831b3', 'device': 'disk', 'path': '/rhev/data-center/mnt/blockSD/ecc71a64-62c1-43f4-bf1f-3bc1b22c7a8a/images/c1a05108-90d7-421d-a9b4-d4cc65c48429/4659b5e0-93c1-478d-97d0-ec1cf4052028',
'serial': 'c1a05108-90d7-421d-a9b4-d4cc65c48429', 'diskType': 'block', 'type': 'block'} (code=1) (vm:1646)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Is there a way to recover this disk?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:DE">Thank you,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:DE">Simone<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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