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, then a 2disk raid1
   6 # and a 3disk raid5 using the remaining space
   7 #
   8 # add some data, tear down the array, reassemble
   9 # and make sure it is still there.
  10
  11 mdadm -CR /dev/md/ddf0 -e ddf -n 5 $dev8 $dev9 $dev10 $dev11 $dev12
  12 mdadm -CR r0 -l0 -n5 /dev/md/ddf0 -z 5000
  13 mdadm -CR r1 -l1 -n2 /dev/md/ddf0
  14 mdadm -CR r5 -l5 -n3 /dev/md/ddf0
  15 testdev /dev/md/r0 5 5000 512
  16 # r0 will use 4608 due to chunk size, so that leaves 28160 for the rest
  17 testdev /dev/md/r1 1 28160 1
  18 testdev /dev/md/r5 2 28160 512
  19 dd if=/dev/sda of=/dev/md/r0 || true
  20 dd if=/dev/sda of=/dev/md/r1 || true
  21 dd if=/dev/sda of=/dev/md/r5 || true
  22
  23 s0=`sha1sum /dev/md/r0`
  24 s1=`sha1sum /dev/md/r1`
  25 s5=`sha1sum /dev/md/r5`
  26
  27
  28 mdadm -Ss
  29 mdadm -A /dev/md/ddf0  $dev8 $dev9 $dev10 $dev11 $dev12
  30 mdadm -I /dev/md/ddf0
  31
  32 s0a=`sha1sum /dev/md/r0`
  33 s1a=`sha1sum /dev/md/r1`
  34 s5a=`sha1sum /dev/md/r5`
  35
  36 if [ "$s0" != "$s0a" ]; then
  37    echo r0 did not match ; exit 1;
  38 fi
  39 if [ "$s1" != "$s1a" ]; then
  40    echo r1 did not match ; exit 1;
  41 fi
  42 if [ "$s5" != "$s5a" ]; then
  43    echo r5 did not match ; exit 1;
  44 fi
  45
  46 # failure status just means it has completed already, so ignore it.
  47 mdadm --wait /dev/md/r1 || true
  48 mdadm --wait /dev/md/r5 || true
  49
  50 mdadm -Dbs > /var/tmp/mdadm.conf
  51
  52 mdadm -Ss
  53
  54 # Now try to assemble using mdadm.conf
  55 mdadm -Asc /var/tmp/mdadm.conf
  56 check nosync  # This failed once. The raid5 was resyncing.
  57
  58 mdadm -Dbs | sort > /tmp/mdadm.conf
  59 sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
  60 mdadm -Ss
  61
  62 # and now assemble fully incrementally.
  63 for i in  $dev8 $dev9 $dev10 $dev11 $dev12
  64 do
  65   #./mdadm -I $i -vv 2>&1 | wc -l > /tmp/cnt
  66   ./mdadm -I $i 2> /tmp/thing
  67   wc -l < /tmp/thing > /tmp/cnt
  68   # should find container and 2 devices, so 3 lines.
  69   [ `cat /tmp/cnt` -eq 3 ]
  70 done
  71 check nosync
  72
  73 mdadm -Dbs | sort > /tmp/mdadm.conf
  74 sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
  75 mdadm -Ss
  76 rm /tmp/mdadm.conf /var/tmp/mdadm.conf