2 - volumes: # attached to each instance
19 - sudo ceph config set mgr mgr_pool false --force
25 - \(POOL_APP_NOT_ENABLED\)
28 osd debug reject backfill probability: .3
29 osd min pg log entries: 25
30 osd max pg log entries: 100
31 osd max object name len: 460
32 osd max object namespace len: 64
35 - sudo ceph osd pool create foo 64
36 - sudo ceph osd pool application enable foo rados
37 - rados -p foo bench 60 write -b 1024 --no-cleanup
38 - sudo ceph osd pool set foo size 3
39 - sudo ceph osd out 0 1
44 - sudo ceph osd in 0 1
49 - sudo ceph osd pool set foo size 2