# begin crush map # devices device 0 device0 device 1 device1 # types type 0 device type 1 host type 2 cluster # buckets host host0 { id -2 # do not change unnecessarily # weight 2.000 alg straw hash 0 # rjenkins1 item device0 weight 1.000 item device1 weight 1.000 } cluster cluster0 { id -1 # do not change unnecessarily # weight 2.000 alg straw hash 0 # rjenkins1 item host0 weight 2.000 } # rules rule data { ruleset 0 type replicated min_size 1 max_size 10 step take cluster0 step chooseleaf firstn 0 type host step emit } rule metadata { ruleset 1 type replicated min_size 1 max_size 10 step take cluster0 step chooseleaf firstn 0 type host step emit } rule rbd { ruleset 2 type replicated min_size 1 max_size 10 step take cluster0 step chooseleaf firstn 0 type host step emit } # end crush map