Re: rbd map hangs

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On Fri, Jun 8, 2018 at 6:37 AM, Tracy Reed <treed@xxxxxxxxxxxxxxx> wrote:
> On Thu, Jun 07, 2018 at 09:30:23AM PDT, Jason Dillaman spake thusly:
>> 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.
>
> Ah, I understand now. My VM servers tend not to get upgraded often as
> restarting all of the VMs is a hassle. I'll fix that. Do we think that
> is related to my issues? It has worked reliably for ages as far as
> mapping rbd goes.

Yes, it is likely related.  A few client-side issues that could lead to
stuck requests have been fixed since then.

>
> I still have the following in flight requests. I set osd.73 out as

Did you mean down?  If you marked it out, is it still out?

What is the output of "ceph -s", "ceph osd dump" and "ceph osd tree"?

Thanks,

                Ilya
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