21 osd debug reject backfill probability: .3
22 osd min pg log entries: 25
23 osd max pg log entries: 100
24 osd max object name len: 460
25 osd max object namespace len: 64
28 - sudo ceph osd pool create foo 64
29 - sudo ceph osd pool application enable foo rados
30 - rados -p foo bench 60 write -b 1024 --no-cleanup
31 - sudo ceph osd pool set foo size 3
32 - sudo ceph osd out 0 1
37 - sudo ceph osd in 0 1
42 - sudo ceph osd pool set foo size 2