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
