On Wed, Sep 21, 2016 at 9:19 PM, Federico Alberto Sayd <fs...@uncu.edu.ar>
wrote:

> Hello:
>
> Since I upgraded to 4.0 I have troubles with the storage of my oVirt
> setup. I have 2 IBM 3512 arrays connected to 8 ovirt hosts through FC.
> When a host is rebooted or when a new port get online in the FC switchs
> although the port isn't connected to storage or oVirt hosts; oVirt reports
> I/O problems and pause some vm's. I have to manually resume the vm's. It
> seem that any change (even non disruptive changes) to FC switchs and HBAs
> causes that ovirt detects I/O problems.
>
> How I can debug this issue. How can I know if It is related to vdsm/ovirt,
> mulitpathd..?
>

We need to inspect engine log, vdsm log, supervdsm.log, sanlock log, and
/var/log/messages.

If ovirt detect io problems it is probably because they are problems.

Can you file a bug and attach the logs?

Nir
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