Re: pg's stuck for 4-5 days after reaching backfill_toofull

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Find out which OSD it is:

ceph health detail

Squeeze blocks off the affected OSD:

ceph osd reweight OSDNUM 0.8

Repeat with any OSD which becomes toofull.

Your cluster is only about 50% used, so I think this will be enough.

Then when it finishes, allow data back on OSD:

ceph osd reweight OSDNUM 1

Hopefully ceph will someday be taught to move PGs in a better order!
Chad.
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