tests/10ddf-fail-spare

   1 # Test suggested by Albert Pauw: Create, fail one disk, have mdmon
   2 # activate the spare,
   3 # then run create again. Shouldn't use the failed disk for Create,
   4 . tests/env-ddf-template
   5
   6 tmp=$(mktemp /tmp/mdtest-XXXXXX)
   7 rm -f $tmp
   8
   9 mdadm --zero-superblock $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
  10 mdadm -CR $container -e ddf -l container -n 5 $dev8 $dev9 $dev10 $dev11 $dev12
  11
  12 mdadm -CR $member0 -l raid1 -n 2 $container
  13 #$dir/mdadm -CR $member0 -l raid1 -n 2 $container >/tmp/mdmon.txt 2>&1
  14
  15 check wait
  16
  17 set -- $(get_raiddisks $member0)
  18 fail0=$1
  19 mdadm --fail $member0 $fail0
  20
  21 # To make sure the spare is activated, we may have to sleep
  22 # 2s has always been enough for me
  23 sleep 2
  24 check wait
  25
  26 # This test can succeed both ways - if spare was activated
  27 # before new array was created, we see only member 0.
  28 # otherwise, we see both, adn member0 is degraded because the
  29 # new array grabbed the spare
  30 # which case occurs depends on the sleep time above.
  31 ret=0
  32 if mdadm -CR $member1 -l raid5 -n 3 $container; then
  33    # Creation successful - must have been quicker than spare activation
  34
  35    check wait
  36    set -- $(get_raiddisks $member1)
  37    if [ $1 = $fail0 -o $2 = $fail0 -o $3 = $fail0 ]; then
  38        echo ERROR: $member1 must not contain $fail0: $@
  39        ret=1
  40    fi
  41    d1=$1
  42    mdadm -E $d1 >$tmp
  43    if ! grep -q 'state\[1\] : Optimal, Consistent' $tmp; then
  44        echo ERROR: member 1 should be optimal in meta data
  45        ret=1
  46    fi
  47    state0=Degraded
  48 else
  49    # Creation unsuccessful - spare was used for member 0
  50    state0=Optimal
  51 fi
  52
  53 # need to delay a little bit, sometimes the meta data aren't
  54 # up-to-date yet
  55 sleep 0.5
  56 set -- $(get_raiddisks $member0)
  57 if [ $1 = $fail0 -o $2 = $fail0 ]; then
  58     echo ERROR: $member0 must not contain $fail0: $@
  59     ret=1
  60 fi
  61 d0=$1
  62
  63 [ -f $tmp ] || mdadm -E $d0 >$tmp
  64
  65 if ! grep -q 'state\[0\] : '$state0', Consistent' $tmp; then
  66     echo ERROR: member 0 should be $state0 in meta data
  67     ret=1
  68 fi
  69 if ! grep -q 'Offline, Failed' $tmp; then
  70     echo ERROR: Failed disk expected in meta data
  71     ret=1
  72 fi
  73 if [ $ret -eq 1 ]; then
  74     cat /proc/mdstat
  75     mdadm -E $d0
  76     mdadm -E $d1
  77     mdadm -E $fail0
  78 fi
  79
  80 [ -f /tmp/mdmon.txt ] && {
  81     cat /tmp/mdmon.txt
  82     rm -f /tmp/mdmon.txt
  83 }
  84
  85 rm -f $tmp
  86 [ $ret -eq 0 ]