The devices were wiped after removing them, so the data is definitely lost.
I recreated the missing PG, now my MDS is complaining about damaged
metadata (since the PG was part of the cephfs_metadata pool).
On Thu, Jul 4, 2019 at 11:39 AM Sage Weil <sage@xxxxxxxxxxxx> wrote:
>
> The 'stale' menas that there is *no* active copy of the PG in the cluster.
> If all of the good OSDs are up and the PG is still stale, that probably
> means there are no more copies.
>
> What happened to the OSDs you removed? If the devices aren't completely
> destroyed (e.g., HDD won't spin up) then most likely you can use
> ceph-objectstore-tool to extract a surviving copy of the PG from one of
> them.
>
> sage
>
>
> On Thu, 4 Jul 2019, Wyllys Ingersoll wrote:
>
> > I recently upgraded from Luminous to Mimic (13.2.6) and now I find
> > that I have a single pg that is stale and cannot be repaired or
> > cleaned up. I had to remove several OSDs due to some issues after the
> > upgrade and now I have this one pg that is in a state that I cannot
> > get rid of.
> >
> > Any hints on how to fix this?
> >
> > $ ceph pg dump_stuck
> > PG_STAT STATE UP UP_PRIMARY ACTING
> > ACTING_PRIMARY
> > 54.163 stale+active+undersized+degraded [94,63] 94 [94,63]
> > 94
> >
> > $ ceph pg 54.163 query
> > Error ENOENT: i don't have pgid 54.163
> >
> > Both osd.94 and osd.63 are OK, pool 54 (cephfs_metadata) is a 3-copy
> > pool, so it looks like the 3rd copy of the pg is missing. The logs
> > for osd.94 and osd.63 show this when I grep for the missing pg:
> >
> > 2019-07-02 14:14:51.632 7fb796f54700 1 osd.63 pg_epoch: 173782
> > pg[54.163( v 173599'29032 (165339'27516,173599'29032]
> > local-lis/les=173715/173716 n=1213 ec=56712/56712 lis/c 173715/173657
> > les/c/f 173716/173658/0 173782/173782/173770) [94,63] r=1 lpr=173782
> > pi=[173657,173782)/1 crt=173599'29032 lcod 0'0 unknown NOTIFY mbc={}]
> > state<Start>: transitioning to Stray
> >
> > thanks,
> > Wyllys Ingersoll
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> >
> >
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