[ceph-users] Ceph monitoring

John Spray jspray at redhat.com
Tue Oct 3 02:53:08 PDT 2017


On Tue, Oct 3, 2017 at 7:37 AM, Jasper Spaans
<ceph-users at use.startmail.com> wrote:
> Hi,
>
> On 02/10/2017 13:34, Osama Hasebou wrote:
>
> Hi Everyone,
>
> Is there a guide/tutorial about how to setup Ceph monitoring system using
> collectd / grafana / graphite ? Other suggestions are welcome as well !
>
> I found some GitHub solutions but not much documentation on how to
> implement.
>
>
> I tried setting up Prometheus to add monitoring to my Ceph
> single-node-cluster at home using the new ceph-mgr goodies, but that didn't
> really work out of the box[0]. This because there are some issues with the
> identifier names being generated by the prometheus module for ceph-mgr in
> luminous, which appear to have been solved in the master branch.
>
> Just plugging in a fresh prometheus/module.py[1] and restarting the mgr
> daemon allowed me to actually scrape the target using prometheus though.
>
> Now to find or build a pretty dashboard with all of these metrics. I wasn't
> able to find something in the grafana supplied dashboards, and haven't spent
> enough time on openattic to extract a dashboard from there. Any pointers
> appreciated!
>
> As a side note, during his talk at the NL Ceph day, John Spray spoke about
> being more liberal with updates/backports for those modules. Would this be a
> candidate for such a policy, as the current one is dysfunctional?

Yes, absolutely.  Just waiting to get some testing/confidence in the
new code on master, before backporting to luminous and calling the
counter naming stable.

If you get a reasonably functional dashboard up and running on the
master code, that'll probably be enough confidence for me to go ahead
and backport it.

John

>
>
> Cheers,
> Jasper
>
>
> [0] I'm running the Ceph-supplied packages on Debian, currently at
> 12.2.1-1~bpo90+1.
> [1]
> https://github.com/ceph/ceph/blob/master/src/pybind/mgr/prometheus/module.py
>
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