tests/05r1-n3-bitmapfile

   1
   2 #
   3 # create a raid1 with 3 devices and a bitmap file
   4 # make  sure resync does right thing.
   5 #
   6 #
   7 bmf=$targetdir/bitmap
   8 rm -f $bmf
   9 mdadm --create --run $md0 --level=1 -n3 --delay=1  --bitmap $bmf $dev1 $dev2 $dev3
  10 check wait
  11 testdev $md0 1 $mdsize0 1
  12 mdadm -S $md0
  13
  14 mdadm --assemble $md0 --bitmap=$bmf $dev1 $dev2 $dev3
  15 testdev $md0 1 $mdsize0 1
  16 dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
  17 sleep 4
  18 dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
  19
  20 if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
  21 then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
  22   exit 1
  23 fi
  24 mdadm $md0 -f $dev2
  25 testdev $md0 1 $mdsize0 1
  26 sleep 4
  27 dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
  28 if [ $dirty3 -lt 400 ]
  29 then
  30    echo >&2 "ERROR dirty count $dirty3 is too small"
  31    exit 2
  32 fi
  33
  34 mdadm -S $md0
  35
  36 mdadm --assemble -R $md0 --bitmap=$bmf $dev1 $dev3
  37 check nosync
  38 mdadm --zero-superblock $dev2
  39 mdadm $md0 --add $dev2
  40 check recovery
  41
  42 dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
  43 check wait
  44 sleep 4
  45 dirty5=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
  46
  47 if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
  48 then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
  49   exit 1
  50 fi
  51
  52 mdadm -S $md0
  53 exit 0