test

   1 #!/bin/sh
   2 #
   3 # run test suite for mdadm
   4 user=`id -un`
   5 if [ " $user" != " root" ]
   6 then echo >&2 "test: testing can only be done as 'root'."
   7      exit 1;
   8 fi
   9
  10 prefix='[0-9][0-9]'
  11 if [ -n "$1" ]
  12 then prefix=$1
  13 fi
  14
  15 dir=`pwd`
  16 mdadm=$dir/mdadm
  17 if [ \! -x $mdadm ]
  18 then
  19    echo >&2 "test: $mdadm isn't usable."
  20 fi
  21
  22 # assume md0, md1, md2 exist in /dev
  23 md0=/dev/md0 md1=/dev/md1 md2=/dev/md2
  24
  25 # We test mdadm on loop-back block devices.
  26 # dir for storing files should be settable by command line maybe
  27 targetdir=/var/tmp
  28 size=20000
  29 mdsize0=19904
  30 mdsize1=19992
  31 mdsize11=19996
  32 mdsize12=19992
  33
  34 cleanup() {
  35         $mdadm -Ss
  36         for d in 0 1 2 3 4 5 6 7
  37         do
  38            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  39         done
  40 }
  41
  42 trap cleanup 0 1 2 3 15
  43
  44 devlist=
  45 for d in 0 1 2 3 4 5 6 7
  46 do
  47    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
  48    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  49    if [ $d -eq 7 ]
  50    then
  51      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  52    else
  53      losetup /dev/loop$d $targetdir/mdtest$d
  54    fi
  55    eval dev$d=/dev/loop$d
  56    eval file$d=$targetdir/mdtest$d
  57    eval devlist=\"\$devlist \$dev$d\"
  58 done
  59 path0=$dev6
  60 path1=$dev7
  61
  62 if [ " $1" = " setup" ]
  63 then trap 0 ; exit 0
  64 fi
  65
  66 # mdadm always adds --quiet, and we want to see any unexpected messages
  67 mdadm() {
  68     case $* in
  69        *-C* ) $mdadm --quiet "$@" --auto=yes;;
  70         * )   $mdadm --quiet "$@"
  71     esac
  72 }
  73
  74 # check various things
  75 check() {
  76    case $1 in
  77     spares )
  78        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  79        if [ $spares -ne $2 ]
  80        then
  81           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
  82        fi
  83       ;;
  84     raid* | linear )
  85       grep -s "active $1 " /proc/mdstat > /dev/null || {
  86                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
  87      ;;
  88     resync | recovery )
  89       sleep 0.5
  90       grep -s $1 /proc/mdstat > /dev/null || {
  91                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
  92      ;;
  93
  94      nosync )
  95        sleep 0.5
  96        if grep -s 're[synccovery]* =' > /dev/null /proc/mdstat ; then
  97            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
  98        fi
  99      ;;
 100
 101     wait )
 102       sleep 0.1
 103       while grep 're[synccovery]* =' > /dev/null /proc/mdstat
 104       do sleep 2;
 105       done
 106       ;;
 107
 108     state )
 109        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 110                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 111        sleep 0.5
 112       ;;
 113
 114     bitmap )
 115        grep -s bitmap > /dev/null /proc/mdstat || {
 116            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 117       ;;
 118     nobitmap )
 119        if grep -s "bitmap" > /dev/null /proc/mdstat
 120        then
 121            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 122        fi
 123       ;;
 124
 125     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 126    esac
 127 }
 128
 129 # basic device test
 130
 131 testdev() {
 132    dev=$1
 133    cnt=$2
 134    dvsize=$3
 135    chunk=$4
 136    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 137    dsize=$[dvsize/chunk]
 138    dsize=$[dsize*chunk]
 139    rasize=$[dsize*2*cnt]
 140    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 141    then
 142      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 143      exit 1
 144    fi
 145 }
 146
 147 rotest() {
 148   dev=$1
 149   fsck -fn $dev >&2
 150 }
 151
 152
 153
 154 for script in tests/$prefix tests/$prefix*[^~]
 155 do
 156   if [ -f "$script" ]
 157   then
 158    # source script in a subshell, so it has access to our
 159    # namespace, but cannot change it.
 160    if ( set -ex ; . $script )  2> $targetdir/log
 161    then echo "$script succeeded"
 162    else cat $targetdir/log
 163         echo "$script failed"
 164        exit 1
 165    fi
 166   fi
 167 done
 168 exit 0