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 mdp0=/dev/md_d0
  25 mdp1=/dev/md_d1
  26
  27 # We test mdadm on loop-back block devices.
  28 # dir for storing files should be settable by command line maybe
  29 targetdir=/var/tmp
  30 size=20000
  31 # super0, round down to multiple of 64 and substract 64
  32 mdsize0=19904
  33 # super00 is nested, subtract 128
  34 mdsize00=19840
  35 # super1.0 round down to multiple of 2, subtract 8
  36 mdsize1=19992
  37 # subtract another 4 for bitmaps
  38 mdsize1b=19988
  39 mdsize11=19992
  40 mdsize12=19988
  41
  42 cleanup() {
  43         udevadm settle
  44         $mdadm -Ssq
  45         for d in 0 1 2 3 4 5 6 7
  46         do
  47            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  48         done
  49 }
  50
  51 trap cleanup 0 1 2 3 15
  52
  53 devlist=
  54 for d in 0 1 2 3 4 5 6 7
  55 do
  56    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
  57    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  58    if [ $d -eq 7 ]
  59    then
  60      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  61    else
  62      losetup /dev/loop$d $targetdir/mdtest$d
  63    fi
  64    eval dev$d=/dev/loop$d
  65    eval file$d=$targetdir/mdtest$d
  66    eval devlist=\"\$devlist \$dev$d\"
  67    #" <-- add this quote to un-confuse vim syntax highlighting
  68 done
  69 path0=$dev6
  70 path1=$dev7
  71
  72 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  73 echo 0 > /sys/module/md_mod/parameters/start_ro
  74
  75 if [ " $1" = " setup" ]
  76 then trap 0 ; exit 0
  77 fi
  78
  79 # mdadm always adds --quiet, and we want to see any unexpected messages
  80 mdadm() {
  81     rm -f $targetdir/stderr
  82     case $* in
  83        *-S* ) udevadm settle;;
  84     esac
  85     case $* in
  86        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  87         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  88     esac
  89     rv=$?
  90     cat >&2 $targetdir/stderr
  91     return $rv
  92 }
  93
  94 # check various things
  95 check() {
  96    case $1 in
  97     spares )
  98        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  99        if [ $spares -ne $2 ]
 100        then
 101           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 102        fi
 103       ;;
 104     raid* | linear )
 105       grep -s "active $1 " /proc/mdstat > /dev/null || {
 106                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 107      ;;
 108     resync | recovery | reshape)
 109       sleep 0.5
 110       grep -s $1 /proc/mdstat > /dev/null || {
 111                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 112      ;;
 113
 114      nosync )
 115        sleep 0.5
 116        if grep -s -E '(resync|recovery|reshape) =' > /dev/null /proc/mdstat ; then
 117            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 118        fi
 119      ;;
 120
 121     wait )
 122       sleep 0.1
 123       while grep -E '(resync|recovery|reshape|check|repair) =' > /dev/null /proc/mdstat
 124       do sleep 2;
 125       done
 126       ;;
 127
 128     state )
 129        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 130                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 131        sleep 0.5
 132       ;;
 133
 134     bitmap )
 135        grep -s bitmap > /dev/null /proc/mdstat || {
 136            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 137       ;;
 138     nobitmap )
 139        if grep -s "bitmap" > /dev/null /proc/mdstat
 140        then
 141            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 142        fi
 143       ;;
 144
 145     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 146    esac
 147 }
 148
 149 no_errors() {
 150   if [ -s $targetdir/stderr ]
 151   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 152   fi
 153 }
 154 # basic device test
 155
 156 testdev() {
 157    dev=$1
 158    cnt=$2
 159    dvsize=$3
 160    chunk=$4
 161    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 162    dsize=$[dvsize/chunk]
 163    dsize=$[dsize*chunk]
 164    rasize=$[dsize*2*cnt]
 165    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 166    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 167    then
 168      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 169      exit 1
 170    fi
 171 }
 172
 173 rotest() {
 174   dev=$1
 175   fsck -fn $dev >&2
 176 }
 177
 178 setup_environment() {
 179    if [ -f $1 ]; then
 180       . $environment
 181       setup_env
 182    fi
 183 }
 184
 185 reset_environment() {
 186    if [ -f $1 ]; then
 187       reset_env
 188       unset setup_env
 189       unset reset_env
 190    fi
 191 }
 192
 193 for script in tests/$prefix tests/$prefix*[^~]
 194 do
 195   if [ -f "$script" ]
 196   then
 197    rm -f $targetdir/stderr
 198    # stop all arrays, just incase some script left an array active.
 199    mdadm -Ssq
 200    mdadm --zero $devlist 2> /dev/null
 201    mdadm --zero $devlist 2> /dev/null
 202    environment="tests/env-`basename $script`"
 203    setup_environment $environment
 204    # source script in a subshell, so it has access to our
 205    # namespace, but cannot change it.
 206    if ( set -ex ; . $script )  2> $targetdir/log
 207    then echo "$script succeeded"
 208    else cat $targetdir/log ; cat $targetdir/stderr
 209         echo "$script failed"
 210         reset_environment $environment
 211        exit 1
 212    fi
 213    reset_environment $environment
 214   fi
 215 done
 216 exit 0