[CentOS-virt] Problems with Windows on KVM machine

Fri Feb 21 08:37:08 UTC 2014
engineer at colocat.ru <engineer at colocat.ru>

Done so. The problem still exists but only with win. Much heavier load on
Linux/FreeBSD VMs doesn't cause anything.
> On Thu, Feb 20, 2014 at 1:53 PM, <engineer at colocat.ru> wrote:
>
>> Sometimes there are messages like
>> Feb 17 04:11:28 stor1 rpc.idmapd[3116]: nss_getpwnam: name '0' does not
>> map into domain 'localdomain'
>> And nothing more. We've done tailing of logs both storage and node -
>> nothing. In debug we've got aroung 10Gb of messages but there's noone to
>> catch the problem :(
>>
>
> The problem with NFS server,
>
> Try below link to tune NFS server for better performance.
>
> 1. http://www.tldp.org/HOWTO/NFS-HOWTO/performance.html
>
> 2.
> http://www.techrepublic.com/blog/linux-and-open-source/tuning-nfs-for-better-performance/
>
>
>>
>> > 1. Try to see the logs on Storage server for more information. What
>> kind
>> > of
>> > errors you are getting?
>> >
>> > On Wed, Feb 19, 2014 at 4:05 PM, <engineer at colocat.ru> wrote:
>> >
>> >> Thanks for the answer.
>> >> > I'm not an expert on this, but here is what I would try:
>> >> >
>> >> > 1. Are you using the latest virtio drivers on your Windows
>> guest(s)?
>> >> >      http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/
>> >> Yes, this version is used
>> >>
>> >> > 2. Is there any particular reason you use CentOS 6.4 on your
>> storage
>> >> > server?
>> >> >      I would update it to CentOS 6.5 so you would have matching
>> Linux
>> >> > kernels on both of your systems.
>> >>
>> >> OK, will try and schedule the maintenance, but when it was 6.4
>> >> everywhere
>> >> - all was the same.
>> >>
>> >> > Zoltan
>> >>
>> >>
>> >>
>> >>
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>> >> CentOS-virt at centos.org
>> >> http://lists.centos.org/mailman/listinfo/centos-virt
>> >>
>> >
>> >
>> >
>> > --
>> > Regards
>> > Ashishkumar S. Yadav
>> > _______________________________________________
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>> > CentOS-virt at centos.org
>> > http://lists.centos.org/mailman/listinfo/centos-virt
>> >
>>
>>
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>> CentOS-virt at centos.org
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>>
>
>
>
> --
> Regards
> Ashishkumar S. Yadav
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