[Users] Problem running virtual machines

[jose garcia]

Good evening,

I am running oVirt 3.

I am not sure if the source of the problem is oVirt or KVM/qemu but the 
machines run really slow since some days ago. There are some warnings 
regarding iscsi storage latency in the oVirt portal but the behaviour is 
also present with NFS storage.

There are no visible errors either in engine.log or vdsm.log. 
Var/log/messages in the node shows over and over:

    /usr/sbin/irqbalance: Load average increasing, re-enabling all cpus
    for irq balancing


and, after a while, waits in the node rise over 50%. It finally leads to 
a disconnection of the SPM node and a non-operational state.

Has anyone any ideas why this happens?

Regards,

Jose Garcia


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