tests/06update-uuid

   1 set -x
   2
   3 # create an array, then change the uuid.
   4
   5 mdadm -CR --assume-clean $md0 -l5 -n3 $dev0 $dev1 $dev2
   6 mdadm -S /dev/md0
   7 mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
   8 no_errors
   9 mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  10    echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
  11 }
  12 mdadm -S /dev/md0
  13
  14 # try v1 superblock
  15
  16 mdadm -CR --assume-clean -e1 $md0 -l5 -n3 $dev0 $dev1 $dev2
  17 mdadm -S /dev/md0
  18 mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
  19 no_errors
  20 mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  21    echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
  22 }
  23 mdadm -S /dev/md0
  24
  25
  26 # now if we have a bitmap, that needs updating too.
  27 rm -f $targetdir/bitmap
  28 mdadm -CR --assume-clean -b $targetdir/bitmap $md0 -l5 -n3 $dev0 $dev1 $dev2
  29 mdadm -S /dev/md0
  30 mdadm -A /dev/md0 -b $targetdir/bitmap --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
  31 no_errors
  32 mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  33    echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
  34 }
  35 if mdadm -X $targetdir/bitmap | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 ||
  36    mdadm -X $targetdir/bitmap | grep -s > /dev/null 67452301:efcdab89:98badcfe:10325476
  37 then : ; else
  38    echo Wrong uuid; mdadm -X $targetdir/bitmap ; exit 2;
  39 fi
  40 mdadm -S /dev/md0
  41
  42 # and bitmap for version1
  43 rm -f $targetdir/bitmap
  44 mdadm -CR --assume-clean -e1.1 -b $targetdir/bitmap $md0 -l5 -n3 $dev0 $dev1 $dev2
  45 mdadm -S /dev/md0
  46 mdadm -A /dev/md0 -b $targetdir/bitmap --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
  47 no_errors
  48 mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  49    echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
  50 }
  51 # -X cannot tell which byteorder to use for the UUID, so allow both.
  52 if mdadm -X $targetdir/bitmap | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 ||
  53    mdadm -X $targetdir/bitmap | grep -s > /dev/null 67452301:efcdab89:98badcfe:10325476
  54 then : ; else
  55    echo Wrong uuid; mdadm -X $targetdir/bitmap ; exit 2;
  56 fi
  57 mdadm -S /dev/md0
  58
  59 # Internal bitmaps too.
  60 mdadm -CR --assume-clean  -b internal $md0 -l5 -n3 $dev0 $dev1 $dev2
  61 mdadm -S /dev/md0
  62 mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
  63 no_errors
  64 mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  65    echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
  66 }
  67 mdadm -X $dev0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  68    echo Wrong uuid; mdadm -X $dev0; exit 2;
  69 }
  70 mdadm -S /dev/md0
  71
  72 mdadm -CR --assume-clean -e1.2 -b internal $md0 -l5 -n3 $dev0 $dev1 $dev2
  73 mdadm -S /dev/md0
  74 mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
  75 no_errors
  76 mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  77    echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
  78 }
  79 mdadm -X $dev0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
  80    echo Wrong uuid; mdadm -X $dev0; exit 2;
  81 }
  82 mdadm -S /dev/md0