4 - sudo ceph osd erasure-code-profile set teuthologyprofile crush-failure-domain=osd m=1 k=2
5 - sudo ceph osd pool create datapool 4 4 erasure teuthologyprofile
6 - sudo ceph osd pool set datapool allow_ec_overwrites true
7 - rbd pool init datapool
12 bdev_inject_crash_probability: .5
17 rbd default data pool: datapool
18 osd: # force bluestore since it's required for ec overwrites
19 osd objectstore: bluestore
20 bluestore block size: 96636764160
21 enable experimental unrecoverable data corrupting features: "*"
22 osd debug randomize hobject sort order: false
23 # this doesn't work with failures bc the log writes are not atomic across the two backends
24 # bluestore bluefs env mirror: true