[Users] HELP, ISCSI Freakin!

Thu Jul 18 00:09:45 UTC 2013

Forgot one thing, the paste bin link!

http://pastebin.com/3t7E41JK

Date: Wednesday, July 17, 2013 7:08 PM
To: users <users at ovirt.org<mailto:users at ovirt.org>>
Subject: HELP, ISCSI Freakin!

Hey Guys,

I am running oVirt 3.1; and I am getting the following in dmesg, and I have pasted my VG info below.  We are running iSCSI luns and this is a node complaining in the log.  Our equalogic storage was close to full; and this started happening.  I have extended it, and it is thin provisioned; but I am not sure if a pvresize is needed.  If so, can it be done while online?  Trying not to take down this cluster; several heavily used VMs on it.  The VMs seem to be running ok for now; but this is filling up the logs pretty quickly; as it appears to be retrying to connections and to release the resources. All help is appreciated.

Thanks for all your help guys; and feel free to email me directly if I can provide any more info.

Log Snippet:
Thread-550892::DEBUG::2013-07-17 19:06:14,335::resourceManager::565::ResourceManager::(releaseResource) No one is waiting for resource 'Storage.69d66cf5-9426-4385-be6c-c55e2bd40617', Clearing records.
Thread-550892::DEBUG::2013-07-17 19:06:14,335::task::978::TaskManager.Task::(_decref) Task=`03810e67-5dab-4193-8cbd-c633c8c25fa4`::ref 0 aborting False
Thread-550892::DEBUG::2013-07-17 19:06:14,336::task::588::TaskManager.Task::(_updateState) Task=`7379fc72-5137-4432-861c-85b1f33ba843`::moving from state init -> state preparing
Thread-550892::INFO::2013-07-17 19:06:14,336::logUtils::37::dispatcher::(wrapper) Run and protect: getVolumeSize(sdUUID='7cf8a585-34a8-470c-9b40-9d486456fcea', spUUID='2ecfa6dd-a1fa-428c-9d04-db17c6c4491d', imgUUID='8cbc183a-0afe-497a-a54b-ec5f03b7fe16', volUUID='bcb8d500-5aa4-404a-9be2-9fb84bc87300', options=None)
Thread-550892::DEBUG::2013-07-17 19:06:14,336::resourceManager::175::ResourceManager.Request::(__init__) ResName=`Storage.7cf8a585-34a8-470c-9b40-9d486456fcea`ReqID=`7411edba-20b8-4855-8271-b6aa52a9203a`::Request was made in '/usr/share/vdsm/storage/resourceManager.py' line '485' at 'registerResource'
Thread-550892::DEBUG::2013-07-17 19:06:14,336::resourceManager::486::ResourceManager::(registerResource) Trying to register resource 'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea' for lock type 'shared'
Thread-550892::DEBUG::2013-07-17 19:06:14,336::resourceManager::528::ResourceManager::(registerResource) Resource 'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea' is free. Now locking as 'shared' (1 active user)
Thread-550892::DEBUG::2013-07-17 19:06:14,336::resourceManager::212::ResourceManager.Request::(grant) ResName=`Storage.7cf8a585-34a8-470c-9b40-9d486456fcea`ReqID=`7411edba-20b8-4855-8271-b6aa52a9203a`::Granted request
Thread-550892::DEBUG::2013-07-17 19:06:14,337::task::817::TaskManager.Task::(resourceAcquired) Task=`7379fc72-5137-4432-861c-85b1f33ba843`::_resourcesAcquired: Storage.7cf8a585-34a8-470c-9b40-9d486456fcea (shared)
Thread-550892::DEBUG::2013-07-17 19:06:14,337::task::978::TaskManager.Task::(_decref) Task=`7379fc72-5137-4432-861c-85b1f33ba843`::ref 1 aborting False
Thread-550892::INFO::2013-07-17 19:06:14,338::logUtils::39::dispatcher::(wrapper) Run and protect: getVolumeSize, Return response: {'truesize': '31138512896', 'apparentsize': '31138512896'}
Thread-550892::DEBUG::2013-07-17 19:06:14,338::task::1172::TaskManager.Task::(prepare) Task=`7379fc72-5137-4432-861c-85b1f33ba843`::finished: {'truesize': '31138512896', 'apparentsize': '31138512896'}
Thread-550892::DEBUG::2013-07-17 19:06:14,338::task::588::TaskManager.Task::(_updateState) Task=`7379fc72-5137-4432-861c-85b1f33ba843`::moving from state preparing -> state finished
Thread-550892::DEBUG::2013-07-17 19:06:14,338::resourceManager::809::ResourceManager.Owner::(releaseAll) Owner.releaseAll requests {} resources {'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea': < ResourceRef 'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea', isValid: 'True' obj: 'None'>}
Thread-550892::DEBUG::2013-07-17 19:06:14,338::resourceManager::844::ResourceManager.Owner::(cancelAll) Owner.cancelAll requests {}
Thread-550892::DEBUG::2013-07-17 19:06:14,338::resourceManager::538::ResourceManager::(releaseResource) Trying to release resource 'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea'
Thread-550892::DEBUG::2013-07-17 19:06:14,338::resourceManager::553::ResourceManager::(releaseResource) Released resource 'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea' (0 active users)
Thread-550892::DEBUG::2013-07-17 19:06:14,338::resourceManager::558::ResourceManager::(releaseResource) Resource 'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea' is free, finding out if anyone is waiting for it.
Thread-550892::DEBUG::2013-07-17 19:06:14,339::resourceManager::565::ResourceManager::(releaseResource) No one is waiting for resource 'Storage.7cf8a585-34a8-470c-9b40-9d486456fcea', Clearing records.
Thread-550892::DEBUG::2013-07-17 19:06:14,339::task::978::TaskManager.Task::(_decref) Task=`7379fc72-5137-4432-861c-85b1f33ba843`::ref 0 aborting False

Dmesg Snippet:
__ratelimit: 28 callbacks suppressed
end_request: I/O error, dev dm-64, sector 5769088
end_request: I/O error, dev dm-64, sector 5769200
end_request: I/O error, dev dm-64, sector 5507072
end_request: I/O error, dev dm-64, sector 5507080
end_request: I/O error, dev dm-64, sector 5507072
end_request: I/O error, dev dm-64, sector 5506944
end_request: I/O error, dev dm-64, sector 5507056
end_request: I/O error, dev dm-64, sector 1312768
end_request: I/O error, dev dm-64, sector 1312776
end_request: I/O error, dev dm-64, sector 1312768
end_request: I/O error, dev dm-64, sector 6031232
end_request: I/O error, dev dm-64, sector 6031344
end_request: I/O error, dev dm-64, sector 5769216
end_request: I/O error, dev dm-64, sector 5769224
end_request: I/O error, dev dm-64, sector 5769216
end_request: I/O error, dev dm-64, sector 6293376
end_request: I/O error, dev dm-64, sector 6293488
end_request: I/O error, dev dm-64, sector 6031360
end_request: I/O error, dev dm-64, sector 6031368
end_request: I/O error, dev dm-64, sector 6031360
end_request: I/O error, dev dm-64, sector 8390528
end_request: I/O error, dev dm-64, sector 8390640
end_request: I/O error, dev dm-64, sector 6293504
end_request: I/O error, dev dm-64, sector 6293512
end_request: I/O error, dev dm-64, sector 6293504
__ratelimit: 25 callbacks suppressed

Thanks,
Matt Curry
Matt at MattCurry.com<mailto:Matt at MattCurry.com>

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