Re: OSD down with Ceph version of Kraken

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On Tue, Dec 5, 2017 at 8:14 PM,  <Dave.Chen@xxxxxxxx> wrote:
> Hi,
>
>
>
> Our Ceph version is Kraken and for the storage node we have up to 90 hard
> disks that can be used for OSD, we configured the messenger type as
> “simple”, I noticed that “simple” type here might create lots of threads and
> hence occupied lots of resource, we observed the configuration will cause
> many OSD failure, and happened frequently. Is there any configuration could
> help to work around the issue of OSD failure?

You probably need something like;

kernel.pid_max = 4194303

and ulimit nproc unlimited but it's hard to know without knowing what
specific error(s) you're hitting.

HTH.

>
>
>
> Thanks in the advance!
>
>
>
> Best Regards,
>
> Dave Chen
>
>
>
>
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>



-- 
Cheers,
Brad
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