> Op 31 augustus 2016 om 22:56 schreef Reed Dier <reed.dier@xxxxxxxxxxx>:
>
>
> After a power failure left our jewel cluster crippled, I have hit a sticking point in attempted recovery.
>
> Out of 8 osd’s, we likely lost 5-6, trying to salvage what we can.
>
That's probably to much. How do you mean lost? Is XFS crippled/corrupted? That shouldn't happen.
> In addition to rados pools, we were also using CephFS, and the cephfs.metadata and cephfs.data pools likely lost plenty of PG’s.
>
What is the status of all PGs? What does 'ceph -s' show?
Are all PGs active? Since that's something which needs to be done first.
> The mds has reported this ever since returning from the power loss:
> > # ceph mds stat
> > e3627: 1/1/1 up {0=core=up:replay}
>
>
> When looking at the slow request on the osd, it shows this task which I can’t quite figure out. Any help appreciated.
>
Are all clients (including MDS) and OSDs running the same version?
Wido
> > # ceph --admin-daemon /var/run/ceph/ceph-osd.5.asok dump_ops_in_flight
> > {
> > "ops": [
> > {
> > "description": "osd_op(mds.0.3625:8 6.c5265ab3 (undecoded) ack+retry+read+known_if_redirected+full_force e3668)",
> > "initiated_at": "2016-08-31 10:37:18.833644",
> > "age": 22212.235361,
> > "duration": 22212.235379,
> > "type_data": [
> > "no flag points reached",
> > [
> > {
> > "time": "2016-08-31 10:37:18.833644",
> > "event": "initiated"
> > }
> > ]
> > ]
> > }
> > ],
> > "num_ops": 1
> > }
>
> Thanks,
>
> Reed
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