[ovirt-users] Host failed to attach one of the Storage Domains attached to it

[Fred Rolland]

Alin hi,

Can you attache the VDSM and engine logs ?

Thanks,

Fred

----- Original Message -----
> From: "Alin Ilie" <alin.ilie at matrixrom.com>
> To: users at ovirt.org
> Sent: Sunday, July 5, 2015 9:26:38 AM
> Subject: [ovirt-users] Host failed to attach one of the Storage Domains	attached to it
> 
> Hello,
> 
> We have a small oVirt deplopyment, with 2 INTEL CPUs and 1 AMD, therefor we
> defined 2 clusters.
> One of the Intel machines is running the management as well (We called this
> SOL).
> This deployment is connected to a NAS through NFS shares.
> 
> Suddenly (no more than 2 days) SOL is reported as "Non operational" and in
> the Action Items is saying "
> Host failed to attach one of the Storage Domains attached to it."
> All other machines seems to be fine.
> 
> In the past we encountered similar errors after (accidental) reboot of the
> hosts, but now it is not the case:
> [root at sol ~]# uptime
> 08:10:48 up 9 days, 15:48, 1 user, load average: 0.08, 0.05, 0.12
> 
> The "funny" is that the virtual machines already started on SOL are still
> running without any problems.
> 
> I am not sure what logs to check.
> 
> In /var/log/vdsm/vdsm.log we have this error, but I do not think it is
> relevant:
> Thread-38964::ERROR::2015-07-05
> 08:37:24,882::__init__::506::jsonrpc.JsonRpcServer::(_serveRequest) Internal
> server error
> Traceback (most recent call last):
> File "/usr/lib/python2.6/site-packages/yajsonrpc/__init__.py", line 501, in
> _serveRequest
> res = method(**params)
> File "/usr/share/vdsm/rpc/Bridge.py", line 271, in _dynamicMethod
> result = fn(*methodArgs)
> File "/usr/share/vdsm/API.py", line 1330, in getStats
> stats.update(self._cif.mom.getKsmStats())
> File "/usr/share/vdsm/momIF.py", line 60, in getKsmStats
> stats = self._mom.getStatistics()['host']
> File "/usr/lib/python2.6/site-packages/mom/MOMFuncs.py", line 75, in
> getStatistics
> host_stats = self.threads['host_monitor'].interrogate().statistics[-1]
> AttributeError: 'NoneType' object has no attribute 'statistics'
> 
> Thank you !
> 
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