ceph/src/test/cli/crushtool/straw2.txt

   1 # begin crush map
   2 tunable choose_local_tries 0
   3 tunable choose_local_fallback_tries 0
   4 tunable choose_total_tries 50
   5 tunable chooseleaf_descend_once 1
   6 tunable straw_calc_version 1
   7
   8 # devices
   9 device 0 device0
  10
  11 # types
  12 type 0 device
  13 type 1 host
  14 type 2 default
  15
  16 # buckets
  17 host host0 {
  18         id -1           # do not change unnecessarily
  19         # weight 1.000
  20         alg straw2
  21         hash 0  # rjenkins1
  22         item device0 weight 1.000
  23 }
  24 default default {
  25         id -2           # do not change unnecessarily
  26         # weight 1.000
  27         alg straw2
  28         hash 0  # rjenkins1
  29         item host0 weight 1.000
  30 }
  31
  32 # rules
  33 rule replicated_ruleset {
  34         ruleset 0
  35         type replicated
  36         min_size 1
  37         max_size 10
  38         step take default
  39         step chooseleaf firstn 0 type host
  40         step emit
  41 }
  42
  43 # end crush map