ceph/src/test/cli/crushtool/build.t

   1   $ map="$TESTDIR/build.crushmap"
   2
   3 #
   4 # display the crush tree by default
   5 #
   6   $ crushtool --outfn "$map" --build --num_osds 5 node straw 2 rack straw 1 root straw 0
   7
   8 #
   9 # silence all messages with --debug-crush 0
  10 #
  11   $ CEPH_ARGS="--debug-crush 0" crushtool --outfn "$map" --build --num_osds 5 node straw 2 rack straw 1 root straw 0
  12
  13 #
  14 # display a warning if there is more than one root
  15 #
  16   $ crushtool --outfn "$map" --build --num_osds 5 node straw 2 rack straw 1
  17   .* The crush rulesets will use the root rack0 (re)
  18   and ignore the others.
  19   There are 3 roots, they can be
  20   grouped into a single root by appending something like:
  21     root straw 0
  22
  23 #
  24 # crush rulesets are generated using the OSDMap helpers
  25 #
  26   $ CEPH_ARGS="--debug-crush 0" crushtool --outfn "$map" --set-straw-calc-version 0 --build --num_osds 1 root straw 0
  27   $ crushtool -o "$map.txt" -d "$map"
  28   $ cat "$map.txt"
  29   # begin crush map
  30   tunable choose_local_tries 0
  31   tunable choose_local_fallback_tries 0
  32   tunable choose_total_tries 50
  33   tunable chooseleaf_descend_once 1
  34   tunable chooseleaf_vary_r 1
  35   tunable allowed_bucket_algs 54
  36
  37   # devices
  38   device 0 osd.0
  39
  40   # types
  41   type 0 osd
  42   type 1 root
  43
  44   # buckets
  45   root root {
  46   \tid -1\t\t# do not change unnecessarily (esc)
  47   \t# weight 1.000 (esc)
  48   \talg straw (esc)
  49   \thash 0\t# rjenkins1 (esc)
  50   \titem osd.0 weight 1.000 (esc)
  51   }
  52
  53   # rules
  54   rule replicated_ruleset {
  55   \truleset 0 (esc)
  56   \ttype replicated (esc)
  57   \tmin_size 1 (esc)
  58   \tmax_size 10 (esc)
  59   \tstep take root (esc)
  60   \tstep chooseleaf firstn 0 type root (esc)
  61   \tstep emit (esc)
  62   }
  63
  64   # end crush map
  65   $ rm "$map" "$map.txt"
  66
  67 #
  68 # Wrong number of arguments
  69 #
  70   $ crushtool --outfn "$map" --debug-crush 0 --build --num_osds 5 node straw 0
  71   remaining args: [--debug-crush,0,node,straw,0]
  72   layers must be specified with 3-tuples of (name, buckettype, size)
  73   [1]
  74
  75 # Local Variables:
  76 # compile-command: "cd ../../.. ; make crushtool && test/run-cli-tests"
  77 # End: