On Thu, Dec 1, 2016 at 7:24 AM, Frédéric Nass < frederic.n...@univ-lorraine.fr> wrote:
> > Hi Sage, Sam, > > We're impacted by this bug (case 01725311). Our cluster is running RHCS > 2.0 and is no more capable to scrub neither deep-scrub. > > [1] http://tracker.ceph.com/issues/17859 > [2] https://bugzilla.redhat.com/show_bug.cgi?id=1394007 > [3] https://github.com/ceph/ceph/pull/11898 > > I'm worried we'll have to live with a cluster that can't scrub/deep-scrub > until March 2017 (ETA for RHCS 2.2 running Jewel 10.2.4). > > Can we have this fix any sooner ? > Since this is merged in master and pending backport to jewel, I dont think you will have to wait for 2.2 to get that, It should be in a hotfix much sooner. > > Regards > > Frédéric. > > > Le 15/11/2016 à 23:35, Sage Weil a écrit : > >> Hi everyone, >> >> There was a regression in jewel that can trigger long OSD stalls during >> scrub. How long the stalls are depends on how many objects are in your >> PGs, how fast your storage device is, and what is cached, but in at least >> one case they were long enough that the OSD internal heartbeat check >> failed and it committed suicide (120 seconds). >> >> The workaround for now is to simply >> >> ceph osd set noscrub >> >> as the bug is only triggered by scrub. A fix is being tested and will be >> available shortly. >> >> If you've seen any kind of weird latencies or slow requests on jewel, I >> suggest setting noscrub and seeing if they go away! >> >> The tracker bug is >> >> http://tracker.ceph.com/issues/17859 >> >> Big thanks to Yoann Moulin for helping track this down! >> >> sage >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majord...@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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