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

Alon Avrahami alonavrahami.isr at gmail.com
Thu Nov 23 02:19:18 PST 2017


Hi,

We're running 12.2.1 on production and facing some memory & cpu issues -->

http://tracker.ceph.com/issues/22224?next_issue_id=22223&prev_issue_id=22225

http://tracker.ceph.com/issues/21933


On Wed, Nov 22, 2017 at 6:38 PM, Vasu Kulkarni <vakulkar at redhat.com> wrote:

> On Wed, Nov 22, 2017 at 8:29 AM, magicboiz at gmail.com
> <magicboiz at gmail.com> wrote:
> > 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
>
> The issue has come up multiple times in ceph-user list, check tracker
> http://tracker.ceph.com/issues/20950
> Its fixed/verified in 12.2.2 but not in 12.2.1,  12.2.2 is not
> released yet and is still in backports state.
> A workaround is also discussed here for now:
> https://www.spinics.net/lists/ceph-devel/msg37911.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.
> >> _______________________________________________
> >> ceph-users mailing list
> >> ceph-users at lists.ceph.com
> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >
> >
> > _______________________________________________
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> > ceph-users at lists.ceph.com
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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