Re: rbd map hangs

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On Thu, Jun 7, 2018 at 12:13 PM, Tracy Reed <treed@xxxxxxxxxxxxxxx> wrote:
> On Thu, Jun 07, 2018 at 08:40:50AM PDT, Ilya Dryomov spake thusly:
>> > Kernel is Linux cpu04.mydomain.com 3.10.0-229.20.1.el7.x86_64 #1 SMP Tue Nov 3 19:10:07 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>>
>> This is a *very* old kernel.
>
> It's what's shipping with CentOS/RHEL 7 and probably what the vast
> majority of people are using aside from perhaps the Ubuntu LTS people.

I think what Ilya is saying is that it's a very old RHEL 7-based
kernel (RHEL 7.1?). For example, the current RHEL 7.5 kernel includes
numerous improvements that have been backported from the current
upstream kernel.

> Does anyone really still compile their own latest kernels? Back in the
> mid-90's I'd compile a new kernel at the drop of a hat. But now it has
> gotten so complicated with so many options and drivers etc. that it's
> actually pretty hard to get it right.
>
>> These lines indicate in-flight requests.  Looks like there may have
>> been a problem with osd1 in the past, as some of these are much older
>> than others.  Try bouncing osd1 with "ceph osd down 1" (it should
>> come back up automatically) and see if that clears up this batch.
>
> Thanks!
>
> --
> Tracy Reed
> http://tracyreed.org
> Digital signature attached for your safety.
>
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>



-- 
Jason
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