Acknowledged On Mon, Nov 5, 2018 at 2:35 PM Nathan Cutler <ncutler@xxxxxxx> wrote: > > Thanks, Neha. The luminous revert was just merged and we'll cut 12.2.10 > to push it out to users. > > Regarding Mimic, will there be a revert there as well? Since the pg hard > limit patches are present in 13.2.2, it sounds like we'll need to revert > them before we release 13.2.3? > > (Note that Yuri was planning to start QE for 13.2.3 - Yuri, please hold > off on that for now?) > > Nathan > > On 11/5/18 6:50 PM, Neha Ojha wrote: > > Hi All, > > > > We have discovered an issue with the pg log hard limit > > patches(https://github.com/ceph/ceph/pull/23211, > > https://github.com/ceph/ceph/pull/24308), where a partial upgrade > > during backfill, can cause the osds on the previous version, to fail > > with "assert(trim_to <= info.last_complete)". Full description of the > > bug is here: http://tracker.ceph.com/issues/36686. > > > > These changes are in 13.2.2 and 12.2.9, and a workaround for users is > > to upgrade and restart all OSDs to a version with the pg hard limit, > > or only upgrade when all PGs are active+clean. > > > > Until we add capability to have the pg log hard limit work smoothly in > > the upgrade case, we will be reverting these changes, > > https://github.com/ceph/ceph/pull/24903, and releasing 12.2.10 as > > early as possible. > > > > We are also reverting https://github.com/ceph/ceph/pull/24902, which > > is a low impact bug, but might causes issues in the field. > > > > Sorry for any inconvenience caused due to this. > > > > Thanks, > > Neha > > > > -- > Nathan Cutler > Software Engineer Distributed Storage > SUSE LINUX, s.r.o. > Tel.: +420 284 084 037