[ovirt-users] vdsm storage problem - maybe cache problem?

ml at ohnewald.net ml at ohnewald.net
Mon May 18 11:16:23 UTC 2015 

Hello List,

i did a simple update in my CentOS 6.6 Engine (3.5) and then i rebootet it.

After that i ran into trouble.

My NFS mounts from my clients to my engine got stuck.
So i unmounted them manually with:
umount -f -l <path to my mount point>

Which worked. I hoped vdsm would remount it again. With no luck.
So i deleted the nfs export and iso domain from the cluster.

Now i am getting this error in my vdsm log:
2c6b4422-7faa-4847-ab30-fc713d7012af::ERROR::2015-05-18 
13:13:25,682::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
2c6b4422-7faa-4847-ab30-fc713d7012af::ERROR::2015-05-18 
13:13:25,683::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
2c6b4422-7faa-4847-ab30-fc713d7012af::ERROR::2015-05-18 
13:13:25,717::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
2c6b4422-7faa-4847-ab30-fc713d7012af::ERROR::2015-05-18 
13:13:25,717::sp::329::Storage.StoragePool::(startSpm) Unexpected error
2c6b4422-7faa-4847-ab30-fc713d7012af::ERROR::2015-05-18 
13:13:25,717::sp::330::Storage.StoragePool::(startSpm) failed: Storage 
domain does not exist: ('036b5575-51fa-4f14-8b05-890d7807894c',)
2c6b4422-7faa-4847-ab30-fc713d7012af::ERROR::2015-05-18 
13:13:25,928::task::866::TaskManager.Task::(_setError) 
Task=`2c6b4422-7faa-4847-ab30-fc713d7012af`::Unexpected error
Thread-37::ERROR::2015-05-18 
13:13:35,683::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-37::ERROR::2015-05-18 
13:13:35,683::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-37::ERROR::2015-05-18 
13:13:35,720::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
Thread-37::ERROR::2015-05-18 
13:13:35,720::domainMonitor::239::Storage.DomainMonitorThread::(_monitorDomain) 
Error while collecting domain 036b5575-51fa-4f14-8b05-890d7807894c 
monitoring information
Thread-482::ERROR::2015-05-18 
13:13:40,062::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-482::ERROR::2015-05-18 
13:13:40,063::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-482::ERROR::2015-05-18 
13:13:40,147::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,149::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,152::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,191::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,191::sp::288::Storage.StoragePool::(startSpm) Backup domain 
validation failed
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,193::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,193::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,228::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,228::sp::329::Storage.StoragePool::(startSpm) Unexpected error
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,228::sp::330::Storage.StoragePool::(startSpm) failed: Storage 
domain does not exist: ('036b5575-51fa-4f14-8b05-890d7807894c',)
3140b81f-a434-4877-9a34-3923505e4a1f::ERROR::2015-05-18 
13:13:40,932::task::866::TaskManager.Task::(_setError) 
Task=`3140b81f-a434-4877-9a34-3923505e4a1f`::Unexpected error
Thread-37::ERROR::2015-05-18 
13:13:45,721::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-37::ERROR::2015-05-18 
13:13:45,721::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-37::ERROR::2015-05-18 
13:13:45,757::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
Thread-37::ERROR::2015-05-18 
13:13:45,758::domainMonitor::239::Storage.DomainMonitorThread::(_monitorDomain) 
Error while collecting domain 036b5575-51fa-4f14-8b05-890d7807894c 
monitoring information
Thread-501::ERROR::2015-05-18 
13:13:54,714::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-501::ERROR::2015-05-18 
13:13:54,715::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-501::ERROR::2015-05-18 
13:13:54,751::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,751::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,752::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,787::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,788::sp::288::Storage.StoragePool::(startSpm) Backup domain 
validation failed
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,790::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,790::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,824::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,824::sp::329::Storage.StoragePool::(startSpm) Unexpected error
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,824::sp::330::Storage.StoragePool::(startSpm) failed: Storage 
domain does not exist: ('036b5575-51fa-4f14-8b05-890d7807894c',)
5893d839-b69b-4d25-816a-67f2c9f24e12::ERROR::2015-05-18 
13:13:54,937::task::866::TaskManager.Task::(_setError) 
Task=`5893d839-b69b-4d25-816a-67f2c9f24e12`::Unexpected error
Thread-37::ERROR::2015-05-18 
13:13:55,758::sdc::137::Storage.StorageDomainCache::(_findDomain) 
looking for unfetched domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-37::ERROR::2015-05-18 
13:13:55,759::sdc::154::Storage.StorageDomainCache::(_findUnfetchedDomain) 
looking for domain 036b5575-51fa-4f14-8b05-890d7807894c
Thread-37::ERROR::2015-05-18 
13:13:55,794::sdc::143::Storage.StorageDomainCache::(_findDomain) domain 
036b5575-51fa-4f14-8b05-890d7807894c not found
Thread-37::ERROR::2015-05-18 
13:13:55,795::domainMonitor::239::Storage.DomainMonitorThread::(_monitorDomain) 
Error while collecting domain 036b5575-51fa-4f14-8b05-890d7807894c 
monitoring information


In older engine logs i was able to find out what id 
036b5575-51fa-4f14-8b05-890d7807894c is:
----------------------------

2015-05-18 10:58:55,397 WARN 
[org.ovirt.engine.core.vdsbroker.irsbroker.IrsProxyData] 
(org.ovirt.thread.pool-8-thread-43) domain 
036b5575-51fa-4f14-8b05-890d7807894c:EXPORT2 in problem. vds: 
ovirt-node01.stuttgart.imos.net


Now my Question: Why does the vdsm node not know that i deleted the 
storage? Has the vdsm cached this mount informations? Why does it still 
try to access 036b5575-51fa-4f14-8b05-890d7807894c?

I can NOT reboot my node because i have active running vms on it.

Thanks,
Mario

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