16 osd debug reject backfill probability: .3
17 osd min pg log entries: 25
18 osd max pg log entries: 100
19 osd max object name len: 460
20 osd max object namespace len: 64
23 - sudo ceph osd pool create foo 64
24 - rados -p foo bench 60 write -b 1024 --no-cleanup
25 - sudo ceph osd pool set foo size 3
26 - sudo ceph osd out 0 1
31 - sudo ceph osd in 0 1
36 - sudo ceph osd pool set foo size 2