Re: rbd snap create now working and just hangs forever

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Am Do., 22. Apr. 2021 um 16:43 Uhr schrieb Ilya Dryomov <idryomov@xxxxxxxxx
>:

> On Thu, Apr 22, 2021 at 4:20 PM Boris Behrens <bb@xxxxxxxxx> wrote:
> >
> > Hi,
> >
> > I have a customer VM that is running fine, but I can not make snapshots
> > anymore.
> > rbd snap create rbd/IMAGE@test-bb-1
> > just hangs forever.
>
> Hi Boris,
>
> Run
>
> $ rbd snap create rbd/IMAGE@test-bb-1 --debug-ms=1 --debug-rbd=20
>
> let it hang for a few minutes and attach the output.
>

I just pasted a short snip here: https://pastebin.com/B3Xgpbzd
If you need more I can give it to you, but the output is very large.

>
> >
> > When I checked the status with
> > rbd status rbd/IMAGE
> > it shows one watcher, the cpu node where the VM is running.
> >
> > What can I do to investigate further, without restarting the VM.
> > This is the only affected VM and it stopped working three days ago.
>
> Can you think of any event related to the cluster, that VM or the
> VM fleet in general that occurred three days ago?
>
> We had an incident where the cpu nodes connected to the wrong cluster, but
this VM was not affected IIRC.

Cheers
 Boris

-- 
Die Selbsthilfegruppe "UTF-8-Probleme" trifft sich diesmal abweichend im
groüen Saal.
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