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

magicboiz at gmail.com magicboiz at gmail.com
Wed Nov 22 08:29:21 PST 2017


Hi

We have a Ceph Jewel cluster running, but in our Lab environment, when 
we try to upgrade to 12.2.0, we are facing a problem with cephx/auth and 
MGR.

See this bugs:

- http://tracker.ceph.com/issues/22096
- 
http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-August/020396.html


Thanks.
J.


On 16/11/17 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.
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