tests/10ddf-create

   1 #
   2 # Test basic DDF functionality.
   3 #
   4 # Create a container with 5 drives
   5 # create a small raid0 across them all,
   6 # then a small raid10 using 4 drives, then a 2disk raid1
   7 # and a 3disk raid5 using the remaining space
   8 #
   9 # add some data, tear down the array, reassemble
  10 # and make sure it is still there.
  11 set -e
  12 . tests/env-ddf-template
  13 sda=$(get_rootdev) || exit 1
  14
  15 mdadm -CR /dev/md/ddf0 -e ddf -n 5 $dev8 $dev9 $dev10 $dev11 $dev12
  16 mdadm -CR r5 -l5 -n5 /dev/md/ddf0 -z 5000
  17 if mdadm -CR r5 -l1 -n2 /dev/md/ddf0 -z 5000
  18 then echo >&2 create with same name should fail ; exit 1
  19 fi
  20 mdadm -CR r10 -l10 -n4 -pn2 /dev/md/ddf0 -z 5000
  21 mdadm -CR r1 -l1 -n2 /dev/md/ddf0
  22 mdadm -CR r0 -l0 -n3 /dev/md/ddf0
  23 testdev /dev/md/r5 4 5000 512
  24 testdev /dev/md/r10 2 5000 512
  25 # r0/r10 will use 4608 due to chunk size, so that leaves 23552 for the rest
  26 testdev /dev/md/r1 1 23552 64
  27 testdev /dev/md/r0 3 23552 512
  28 dd if=$sda of=/dev/md/r0 || true
  29 dd if=$sda of=/dev/md/r10 || true
  30 dd if=$sda of=/dev/md/r1 || true
  31 dd if=$sda of=/dev/md/r5 || true
  32
  33 s0=`sha1sum /dev/md/r0`
  34 s10=`sha1sum /dev/md/r10`
  35 s1=`sha1sum /dev/md/r1`
  36 s5=`sha1sum /dev/md/r5`
  37
  38
  39 mdadm -Ss
  40 mdadm -A /dev/md/ddf0  $dev8 $dev9 $dev10 $dev11 $dev12
  41 mdadm -I /dev/md/ddf0
  42
  43 udevadm settle
  44 s0a=`sha1sum /dev/md/r0`
  45 s10a=`sha1sum /dev/md/r10`
  46 s1a=`sha1sum /dev/md/r1`
  47 s5a=`sha1sum /dev/md/r5`
  48
  49 if [ "$s0" != "$s0a" ]; then
  50    echo r0 did not match ; exit 1;
  51 fi
  52 if [ "$s10" != "$s10a" ]; then
  53    echo r10 did not match ; exit 1;
  54 fi
  55 if [ "$s1" != "$s1a" ]; then
  56    echo r1 did not match ; exit 1;
  57 fi
  58 if [ "$s5" != "$s5a" ]; then
  59    echo r5 did not match ; exit 1;
  60 fi
  61
  62 # failure status just means it has completed already, so ignore it.
  63 mdadm --wait /dev/md/r1 || true
  64 mdadm --wait /dev/md/r10 || true
  65 mdadm --wait /dev/md/r5 || true
  66
  67 mdadm -Dbs > /var/tmp/mdadm.conf
  68
  69 mdadm -Ss
  70
  71 # Now try to assemble using mdadm.conf
  72 mdadm -Asc /var/tmp/mdadm.conf
  73 check nosync  # This failed once. The raid5 was resyncing.
  74 udevadm settle
  75 mdadm -Dbs | sort > /tmp/mdadm.conf
  76 sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
  77 mdadm -Ss
  78
  79 # and now assemble fully incrementally.
  80 for i in  $dev8 $dev9 $dev10 $dev11 $dev12
  81 do
  82    mdadm -I $i -c /var/tmp/mdadm.conf
  83 done
  84 check nosync
  85 udevadm settle
  86 mdadm -Dbs | sort > /tmp/mdadm.conf
  87 sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
  88 mdadm -Ss
  89 rm /tmp/mdadm.conf /var/tmp/mdadm.conf