tests/05r1-re-add

   1
   2 #
   3 # create a raid1, remove a drive, and readd it.
   4 # resync should be instant.
   5 # Then do some IO first.  Resync should still be very fast
   6 #
   7
   8 mdadm -CR $md0 -l1 -n2 -binternal -d1 $dev1 $dev2
   9 check resync
  10 check wait
  11 testdev $md0 1 $mdsize0 1
  12 sleep 4
  13
  14 mdadm $md0 -f $dev2
  15 sleep 1
  16 mdadm $md0 -r $dev2
  17 mdadm $md0 -a $dev2
  18  cat /proc/mdstat
  19 check nosync
  20
  21 mdadm $md0 -f $dev2
  22 sleep 1
  23 mdadm $md0 -r $dev2
  24 testdev $md0 1 $mdsize0 1
  25 mdadm $md0 -a $dev2
  26 check wait
  27 cmp --bytes=$[$mdsize0*1024] $dev1 $dev2
  28
  29 mdadm $md0 -f $dev2; sleep 1
  30 mdadm $md0 -r $dev2
  31 if dd if=/dev/zero of=$md0 ; then : ; fi
  32 mdadm $md0 -a $dev2
  33 check recovery
  34 check wait
  35 cmp --bytes=$[$mdsize0*1024] $dev1 $dev2
  36 mdadm -S $md0