tests/10ddf-geometry

   1 #
   2 # Test various RAID geometries, creation and deletion of subarrays
   3 #
   4
   5 assert_fail() {
   6     if mdadm "$@"; then
   7        echo mdadm "$@" must fail
   8        return 1
   9     else
  10        return 0
  11     fi
  12 }
  13
  14 assert_kill() {
  15     local dev=$1 n=$2
  16     mdadm -S $dev
  17     mdadm --kill-subarray=$n /dev/md/ddf0
  18     if mdadm -Dbs | grep -q $dev; then
  19         echo >&2 $dev should be deleted
  20         return 1
  21     fi
  22     return 0
  23 }
  24
  25 set -e
  26 mdadm -CR /dev/md/ddf0 -e ddf -n 6 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
  27
  28 # RAID1 geometries
  29 # Use different sizes to make offset calculation harder
  30 mdadm -CR l1s -l1 -n2 /dev/md/ddf0 -z 8000
  31 mdadm -CR l1m -l1 -n3 $dev8 $dev9 $dev10 -z 10000
  32 assert_fail -CR badl1 -l1 -n4 /dev/md/ddf0
  33
  34 # RAID10 geometries
  35 mdadm -CR l10_0 -l10 -n3 /dev/md/ddf0 -z 1000
  36 mdadm -CR l10_1 -l10 -n5 /dev/md/ddf0 -z 1000
  37 assert_fail mdadm -CR badl10 -l10 -n4 -pn3 /dev/md/ddf0
  38 mdadm -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 4000
  39 mdadm -CR l10_3 -l10 -n6 -pn3 /dev/md/ddf0 -z 4000
  40
  41 assert_fail -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000
  42 assert_kill /dev/md/l10_2 4
  43 # gone now, must be able to create it again
  44 mdadm -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000
  45
  46 # Now stop and reassemble
  47 mdadm -Ss
  48 mdadm -A /dev/md/ddf0 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
  49
  50 # Same as above, on inactive container
  51 assert_fail -CR l10_3 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000
  52 # Kill subarray without having started anything (no mdmon)
  53 mdadm --kill-subarray=5 /dev/md/ddf0
  54 mdadm -I /dev/md/ddf0
  55 mdadm -CR l10_3 -l10 -n6 -pn3 /dev/md/ddf0 -z 5000
  56
  57 assert_kill /dev/md/l10_2 4
  58 assert_kill /dev/md/l10_3 5
  59
  60 # RAID5 geometries
  61 mdadm -CR l5la -l5 -n3 --layout=ddf-N-restart /dev/md/ddf0 -z 5000
  62 mdadm -CR l5ra -l5 -n3 --layout=ddf-zero-restart /dev/md/ddf0 -z 5000
  63 mdadm -CR l5ls -l5 -n3 --layout=ddf-N-continue /dev/md/ddf0 -z 5000
  64 assert_fail -CR l5rs -l5 -n3 -prs /dev/md/ddf0 -z 5000
  65
  66 # Stop and reassemble
  67 mdadm -Ss
  68 mdadm -A /dev/md/ddf0 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
  69 mdadm -I /dev/md/ddf0
  70
  71 assert_kill /dev/md/l5la 4
  72 assert_kill /dev/md/l5ls 6
  73 assert_kill /dev/md/l5ra 5
  74
  75 # RAID6 geometries
  76 assert_fail -CR l6la -l6 -n3 -pla /dev/md/ddf0 -z 5000
  77 assert_fail -CR l6rs -l5 -n4 -prs /dev/md/ddf0 -z 5000
  78 mdadm -CR l6la -l6 -n4 --layout=ddf-N-restart /dev/md/ddf0 -z 5000
  79 mdadm -CR l6ra -l6 -n4 --layout=ddf-zero-restart $dev8 $dev9 $dev10 $dev11 -z 5000
  80 mdadm -CR l6ls -l6 -n4 --layout=ddf-N-continue $dev13 $dev8 $dev9 $dev12 -z 5000
  81
  82 mdadm -Ss