[Lustre-discuss] MDS refuses connections (no visible reason)

Mag Gam magawake at gmail.com
Tue Aug 18 05:23:16 PDT 2009


just curious, if you didn't compile your own kernel, how do you apply
this patch? Is our only option to upgrade via RPMS or is there another
way to apply the patch?



On Tue, Aug 18, 2009 at 4:27 AM, Patricia Santos Marco<psantos at bifi.es> wrote:
> Our MDT have lustre 1.6.7, I see in this message
> http://lists.lustre.org/pipermail/lustre-discuss/2009-April/010167.html that
> this version have a bug that cause directory corruptions on the MDT. Can
> this bug produce this kind of errors?
>
>
>
> 2009/8/17 Oleg Drokin <Oleg.Drokin at sun.com>
>>
>> Hello!
>>
>> On Aug 17, 2009, at 2:14 PM, Patricia Santos Marco wrote:
>>
>>> The last day our MDS refusing conections too. The logs are the same, and
>>> we should reboot the MDS server . What's is the reason for this?
>>
>> That means some requests from this client are still being processed and
>> server has a self-preservation mechanism trying to protect itself
>> from client resending same rpc (that leads to slow server processing if
>> not worse) again and again and occupying
>> more and more server threads.
>> The hung threads either had lbug that you can see in the logs or watchdogs
>> should have triggered showing what it was doing
>> (also visible in logs) before clients time out.
>>
>> Bye,
>>    Oleg
>
>
>
> --
> (\__/)
> ( O.o)
> ( > <) Este es conejo.
> Copia a conejo en tu firma y ayudalo en sus planes de dominación mundial.
>
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