Notes on exporting and importing individual PG's to OSD's
ceph-objectstore-tool --data-path /var/lib/ceph/osd/ceph-275/ --pgid 13.480 --op list | wc -l
ceph-objectstore-tool --data-path /var/lib/ceph/osd/ceph-263/ --pgid 13.480 --op export --file ~/pg-13.480-ss5-osd263.old
ceph-objectstore-tool --data-path /var/lib/ceph/osd/ceph-263/ --type bluestore --pgid 13.480 --op import --file /home/ubuntu/pg-13.480-ss5-osd275.obj
ceph-objectstore-tool --data-path /var/lib/ceph/osd/ceph-263/ --pgid 13.480 --op remove --force