tests/10ddf-incremental-wrong-order

   1 # An array is assembled incompletely. Some disks will
   2 # have later metadata than others.
   3 # The array is then reassembled in the "wrong" order -
   4 # older meta data first.
   5 # This FAILS with mdadm 3.3
   6 . tests/env-ddf-template
   7 tmp=$(mktemp /tmp/mdtest-XXXXXX)
   8 rm -f $tmp /var/tmp/mdmon.log
   9 ret=0
  10
  11 mdadm -CR $container -e ddf -n 4 $dev8 $dev9 $dev10 $dev11
  12 ddf_check container 4
  13
  14 mdadm -CR $member1 -n 4 -l 10 $dev8 $dev10 $dev9 $dev11 -z 10000
  15 mdadm -CR $member0 -n 2 -l 1 $dev8 $dev9 -z 10000
  16
  17 mdadm --wait $member0 || true
  18 mdadm --wait $member1 || true
  19
  20 mke2fs -F $member0
  21 mke2fs -F $member1
  22 sha_0a=$(sha1_sum $member0)
  23 sha_1a=$(sha1_sum $member1)
  24
  25 mdadm -Ss
  26 sleep 1
  27
  28 # Add all devices except those for $member0
  29 mdadm -I $dev10
  30 mdadm -I $dev11
  31
  32 # Start runnable members ($member1) and write
  33 mdadm -IRs || true
  34 e2fsck -fy $member1
  35 sha_1b=$(sha1_sum $member1)
  36
  37 mdadm -Ss
  38 sleep 1
  39
  40 # Seq number should be different now
  41 seq8a=$(mdadm -E $dev8 | sed -n 's/^ *Seq : //p')
  42 seq10a=$(mdadm -E $dev10 | sed -n 's/^ *Seq : //p')
  43
  44 if [ $seq8a -ge $seq10a ]; then
  45     ret=1
  46     echo ERROR: sequential number of $dev10 not bigger than $dev8
  47 fi
  48 if [ x$sha_1a = x$sha_1b ]; then
  49     ret=1
  50     echo ERROR: sha1sums equal after write
  51 fi
  52
  53 #[ -f /var/tmp/mdmon.log ] && cat /var/tmp/mdmon.log
  54
  55 # Now reassemble
  56 # Note that we add the previously missing disks first.
  57 # $dev10 should have a higher seq number than $dev8
  58 for d in $dev8 $dev9 $dev10 $dev11; do
  59     mdadm -I $d
  60 done
  61
  62 mdadm -IRs || true
  63 sha_0c=$(sha1_sum $member0)
  64 sha_1c=$(sha1_sum $member1)
  65
  66 mdadm -Ss
  67 sleep 1
  68
  69 seq8c=$(mdadm -E $dev8 | sed -n 's/^ *Seq : //p')
  70 seq10c=$(mdadm -E $dev10 | sed -n 's/^ *Seq : //p')
  71
  72 if [ x$sha_0a != x$sha_0c ]; then
  73     ret=1
  74     echo ERROR: sha1sum of $member0 has changed
  75 fi
  76 if [ x$sha_1b != x$sha_1c ]; then
  77     ret=1
  78     echo ERROR: sha1sum of $member1 has changed
  79 fi
  80 if [ \( $seq10a -ge $seq10c \) -o \( $seq8c -ne $seq10c \) ]; then
  81     ret=1
  82     echo ERROR: sequential numbers are wrong
  83 fi
  84
  85 # Expect consistent state
  86 for d in $dev10 $dev8; do
  87     mdadm -E $d>$tmp
  88     for x in 0 1; do
  89         egrep 'state\['$x'\] : Optimal, Consistent' $tmp || {
  90             ret=1
  91             echo ERROR: $member0 has unexpected state on $d
  92         }
  93     done
  94     if [ x$(egrep -c 'active/Online$' $tmp) != x4 ]; then
  95         ret=1
  96         echo ERROR: unexpected number of online disks on $d
  97     fi
  98 done
  99
 100 # Now try assembly
 101 if mdadm -A $container $dev8 $dev9 $dev10 $dev11; then
 102     mdadm -IR $container
 103     sha_0d=$(sha1_sum $member0)
 104     sha_1d=$(sha1_sum $member1)
 105     mdadm -Ss
 106     sleep 1
 107     seq8d=$(mdadm -E $dev8 | sed -n 's/^ *Seq : //p')
 108     seq10d=$(mdadm -E $dev10 | sed -n 's/^ *Seq : //p')
 109     if [ x$sha_0a != x$sha_0d ]; then
 110         ret=1
 111         echo ERROR: sha1sum of $member0 has changed
 112     fi
 113     if [ x$sha_1b != x$sha_1d ]; then
 114         ret=1
 115         echo ERROR: sha1sum of $member1 has changed
 116     fi
 117     if [ \( $seq10a -ge $seq10d \) -o \( $seq8d -ne $seq10d \) ]; then
 118         ret=1
 119         echo ERROR: sequential numbers are wrong
 120     fi
 121 else
 122     ret=1
 123     echo ERROR: assembly failed
 124 fi
 125
 126 if [ $ret -ne 0 ]; then
 127     mdadm -E $dev10
 128     mdadm -E $dev8
 129 fi
 130 rm -f $tmp /var/tmp/mdmon.log
 131 [ $ret -eq 0 ]