12 - volumes: # attached to each instance
19 - but it is still running
25 - sudo ceph osd pool create base 4
26 - sudo ceph osd pool application enable base rados
27 - sudo ceph osd pool create cache 4
28 - sudo ceph osd tier add base cache
29 - sudo ceph osd tier cache-mode cache writeback
30 - sudo ceph osd tier set-overlay base cache
31 - sudo ceph osd pool set cache hit_set_type bloom
32 - sudo ceph osd pool set cache hit_set_count 8
33 - sudo ceph osd pool set cache hit_set_period 60
34 - sudo ceph osd pool set cache target_max_objects 500
40 - sudo ceph osd tier cache-mode cache proxy
42 - sudo ceph osd pool set cache cache_target_full_ratio .001
43 - echo cache-try-flush-evict-all
44 - rados -p cache cache-try-flush-evict-all
46 - echo cache-flush-evict-all
47 - rados -p cache cache-flush-evict-all
50 - sudo ceph osd tier remove-overlay base
52 - echo add writeback overlay
53 - sudo ceph osd tier cache-mode cache writeback
54 - sudo ceph osd pool set cache cache_target_full_ratio .8
55 - sudo ceph osd tier set-overlay base cache
57 - sudo ceph osd tier cache-mode cache readproxy