Did you copy the OSD objects between btrfs->xfs or did you remove the btrfs OSD and add a new XFS OSD?
Jan > On 07 Aug 2015, at 17:06, Межов Игорь Александрович <me...@yuterra.ru> wrote: > > Hi! > > I'm sorry, but I dont know, how to help you. We move OSDs from XFS to EXT4 on > our test > cluster (Hammer 0.94.2), removing ODSs one-by-one and re-adding them after > reformatting > to EXT4. This process is usual to a ceph (Add/Remove OSDs in documentaion) > and took > place without any data loss. We also change ruleset, like written in > Sebastian Han's blog: > > http://www.sebastien-han.fr/blog/2014/08/25/ceph-mix-sata-and-ssd-within-the-same-box/ > > <http://www.sebastien-han.fr/blog/2014/08/25/ceph-mix-sata-and-ssd-within-the-same-box/> > > And it was also with no harm to data. But we dont use tiering, maybe some > things > happens with data while removing cache tier, like not all objects was written > back to > lower lier pool? > > > Megov Igor > CIO, Yuterra > > > От: Константин Сахинов <sakhi...@gmail.com <mailto:sakhi...@gmail.com>> > Отправлено: 7 августа 2015 г. 15:39 > Кому: Межов Игорь Александрович; ceph-users@lists.ceph.com > <mailto:ceph-users@lists.ceph.com> > Тема: Re: [ceph-users] inconsistent pgs > > It's hard to say now. I changed one-by-one my 6 OSDs from btrfs to xfs. > During the repair process I added 2 more OSDs. Changed crush map from > root-host-osd to root-chasis-host-osd structure... There was SSD cache > tiering set, when first inconsistency showed up. Then I removed tiering to > confirm than it was not the reason of inconsistencies. > Once there was hardware problem with one node - PCI slot issue. I shut down > that node and exchanged motherboard to the same model. > I'm running CentOS Linux release 7.1.1503 (Core) with > 3.10.0-229.7.2.el7.x86_64 kernel. > > пт, 7 авг. 2015 г. в 15:18, Межов Игорь Александрович <me...@yuterra.ru > <mailto:me...@yuterra.ru>>: > Hi! > > When inconsistent PGs starting to appear? Maybe after some event? > Hang, node reboot or after reconfiguration or changing parameters? > Can you say, what triggers such behaviour? And, BTW, what system/kernel > you use? > > Megov Igor > CIO, Yuterra > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com <mailto:ceph-users@lists.ceph.com> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com>
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