[ovirt-users] VM pauses/hangs after migration

[Davide Ferrari]

Hello

just for the record, after I have that server replaced (only
motherboard+ram+controller, same disks), now everything works ok, so it was
definitely an hardware issue.

Thanks everyone for the troubleshoot help!


2016-10-04 18:06 GMT+02:00 Michal Skrivanek <michal.skrivanek at redhat.com>:

>
> On 3 Oct 2016, at 10:39, Davide Ferrari <davide at billymob.com> wrote:
>
>
>
> 2016-09-30 15:35 GMT+02:00 Michal Skrivanek <michal.skrivanek at redhat.com>:
>
>>
>>
>> that is a very low level error really pointing at HW issues. It may or
>> may not be detected by memtest…but I would give it a try
>>
>>
> I left memtest86 running for 2 days and no error detected :(
>
>
>> The only difference that this host (vmhost01) has is that it was the
>> first host installed in my self-hosted engine installation. But I have
>> already reinstalled it from GUI and menawhile I've upgraded to 4.0.4 from
>> 4.0.3.
>>
>>
>> does it happen only for the big 96GB VM? The others which you said are
>> working, are they all small?
>> Might be worth trying other system stability tests, playing with
>> safer/slower settings in BIOS, use lower CPU cluster, etc
>>
>>
> Yep, it happens only for the 96GB VM. Other VMs with fewer RAM (16GB for
> example) can be created on or migrated to that host flawlessly. I'll try to
> play a little with BIOS settings but otherwise I'll have the HW replaced. I
> was only trying to rule out possible oVirt SW problems due to that host
> being the first I deployed (from CLI) when I installed the cluster.
>
>
> I understand. Unfortunately it really does look like some sort of
> incompatibility rather than a sw issue:/
>
>
> Thanks!
>
> --
> Davide Ferrari
> Senior Systems Engineer
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>
>
>


-- 
Davide Ferrari
Senior Systems Engineer
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