Fwd: down+peering PGs, can I move PGs from one OSD to another

[Sean Patronis <spatronis@xxxxxxxxxx>]

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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