Hi,
You can export and import PG's using ceph_objectstore_tool, but if the osd
won't start you may have trouble exporting a PG.
It maybe useful to share the errors you get when trying to start the osd.
Thanks
On Fri, Aug 3, 2018 at 10:13 PM, Sean Patronis <spatro...@add123.com> wrote:
>
>
> Hi all.
>
> We have an issue with some down+peering PGs (I think), when I try to mount or
> access data the requests are blocked:
>
> 114891/7509353 objects degraded (1.530%)
> 887 stale+active+clean
> 1 peering
> 54 active+recovery_wait
> 19609 active+clean
> 91 active+remapped+wait_backfill
> 10 active+recovering
> 1 active+clean+scrubbing+deep
> 9 down+peering
> 10 active+remapped+backfilling
> recovery io 67324 kB/s, 10 objects/s
>
> when I query one of these down+peering PGs, I can see the following:
>
> "peering_blocked_by": [
> { "osd": 7,
> "current_lost_at": 0,
> "comment": "starting or marking this osd lost may let us
> proceed"},
> { "osd": 21,
> "current_lost_at": 0,
> "comment": "starting or marking this osd lost may let us
> proceed"}]},
> { "name": "Started",
> "enter_time": "2018-08-01 07:06:16.806339"}],
>
>
>
> Both of these OSDs (7 and 21) will not come back up and in with ceph due
> to some errors, but I can mount the disks and read data off of them. Can I
> manually move/copy these PGs off of these down and out OSDs and put them on
> a good OSD?
>
> This is an older ceph cluster running firefly.
>
> Thanks.
>
>
>
>
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