[ceph-users] Is the 12.2.1 really stable? Anybody have production cluster with Luminous Bluestore?

Ashley Merrick ashley at amerrick.co.uk
Thu Nov 16 20:20:19 PST 2017


Hello Vasu,

Sorry I linked to the wrong bug, the one that's causing me large issues is : http://tracker.ceph.com/issues/22144

,Ashley

-----Original Message-----
From: Vasu Kulkarni [mailto:vakulkar at redhat.com] 
Sent: 17 November 2017 03:36
To: Ashley Merrick <ashley at amerrick.co.uk>
Cc: Jack <ceph at jack.fr.eu.org>; ceph-users at lists.ceph.com
Subject: Re: [ceph-users] Is the 12.2.1 really stable? Anybody have production cluster with Luminous Bluestore?

On Thu, Nov 16, 2017 at 6:33 AM, Ashley Merrick <ashley at amerrick.co.uk> wrote:
>
> Currently experiencing a nasty bug 
> http://tracker.ceph.com/issues/21142

Can you add more info to tracker about ceph osd tree(node/memory info) and what was the version of ceph before and was it in healthy state before upgrade?
What kind of client workloads were running when you started the upgrade.

>
>
>
> I would say wait a while for the next point release.
>
> ,Ashley
>
> -----Original Message-----
> From: ceph-users [mailto:ceph-users-bounces at lists.ceph.com] On Behalf 
> Of Jack
> Sent: 16 November 2017 22:22
> To: ceph-users at lists.ceph.com
> Subject: Re: [ceph-users] Is the 12.2.1 really stable? Anybody have production cluster with Luminous Bluestore?
>
> My cluster (55 OSDs) runs 12.2.x since the release, and bluestore too 
> All good so far
>
> On 16/11/2017 15:14, Konstantin Shalygin wrote:
> > Hi cephers.
> > Some thoughts...
> > At this time my cluster on Kraken 11.2.0 - works smooth with 
> > FileStore and RBD only.
> > I want upgrade to Luminous 12.2.1 and go to Bluestore because this 
> > cluster want grows double with new disks, so is best opportunity 
> > migrate to Bluestore.
> >
> > In ML I was found two problems:
> > 1. Increased memory usage, should be fixed in upstream 
> > (http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-October/021676.html).
> >
> > 2. OSD drops and goes cluster offline 
> > (http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-November/022494.html).
> > Don't know this Bluestore or FileStore OSD'.s.
> >
> > If the first case I can safely survive - hosts has enough memory to 
> > go to Bluestore and with the growing I can wait until the next stable release.
> > That second case really scares me. As I understood clusters with 
> > this problem for now not in production.
> >
> > By this point I have completed all the preparations for the update 
> > and now I need to figure out whether I should update to 12.2.1 or 
> > wait for the next stable release, because my cluster is in 
> > production and I can't fail. Or I can upgrade and use FileStore 
> > until next release, this is acceptable for me.
> >
> > Thanks.
> > _______________________________________________
> > ceph-users mailing list
> > ceph-users at lists.ceph.com
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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