ceph/src/test/cli/crushtool/need_tree_order.crush

   1 # begin crush map
   2
   3 # devices
   4 device 0 device0
   5 device 1 device1
   6 device 2 device2
   7
   8 # types
   9 type 0 device
  10 type 1 host
  11 type 2 rack
  12 type 3 root
  13
  14 # buckets
  15 host host0 {
  16         id -1           # do not change unnecessarily
  17         # weight 1.000
  18         alg straw
  19         hash 0  # rjenkins1
  20         item device0 weight 1.000
  21 }
  22 host host1 {
  23         id -2           # do not change unnecessarily
  24         # weight 1.000
  25         alg straw
  26         hash 0  # rjenkins1
  27         item device1 weight 1.000
  28 }
  29 host host2 {
  30         id -5           # do not change unnecessarily
  31         # weight 1.000
  32         alg straw
  33         hash 0  # rjenkins1
  34         item device2 weight 1.000
  35 }
  36 rack rack0 {
  37         id -3           # do not change unnecessarily
  38         # weight 3.000
  39         alg straw
  40         hash 0  # rjenkins1
  41         item host0 weight 1.000
  42         item host1 weight 1.000
  43         item host2 weight 1.000
  44 }
  45 root root {
  46         id -4           # do not change unnecessarily
  47         # weight 4.000
  48         alg straw
  49         hash 0  # rjenkins1
  50         item rack0 weight 4.000
  51 }
  52
  53 # rules
  54 rule data {
  55         id 1
  56         type replicated
  57         min_size 2
  58         max_size 2
  59         step take root
  60         step chooseleaf firstn 0 type rack
  61         step emit
  62 }
  63
  64 # end crush map