[ovirt-users] Some VMs in status "not responding" in oVirt interface

[Christian Hailer]

Hello,

 

last Wednesday I wanted to update my oVirt 3.5 hypervisor. It is a single Centos 7 server, so I started by suspending the VMs in order to set the oVirt engine host to maintenance mode. During the process of suspending the VMs the server crashed, kernel panic…

After restarting the server I installed the updates via yum an restarted the server again. Afterwards, all the VMs could be started again. Some hours later my monitoring system registered some unresponsive hosts, I had a look in the oVirt interface, 3 of the VMs were in the state “not responding”, marked by a question mark. 

I tried to shut down the VMs, but oVirt wasn’t able to do so. I tried to reset the status in the database with the sql statement

 

update vm_dynamic set status = 0 where vm_guid = (select vm_guid from vm_static where vm_name = 'MYVMNAME');

 

but that didn’t help, either. Only rebooting the whole hypervisor helped… afterwards everything worked again. But only for a few hours, then one of the VMs entered the “not responding” state again… again only a reboot helped. Yesterday it happened again:

 

2015-08-28 17:44:22,664 INFO  [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo] (DefaultQuartzScheduler_Worker-60) [4ef90b12] VM DC 0f3d1f06-e516-48ce-aa6f-7273c33d3491 moved from Up --> NotResponding

2015-08-28 17:44:22,692 WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler_Worker-60) [4ef90b12] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: VM DC is not responding.

 

Does anybody know what I can do? Where should I have a look? Hints are greatly appreciated!

 

Thanks,

Christian

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