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 mdsize1a=19988
  38 mdsize12=19988
  39 # super1.2 for linear: round to multiple of 2, subtract 4
  40 mdsize1_l=18976
  41 mdsize2_l=18976
  42 # subtract another 4 for bitmaps
  43 mdsize1b=19988
  44 mdsize11=19992
  45 mdsize11a=18944
  46 mdsize12=19988
  47
  48 # ddf needs bigger devices as 32Meg is reserved!
  49 ddfsize=65536
  50
  51 cleanup() {
  52         udevadm settle
  53         $mdadm -Ssq
  54         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
  55         do
  56             losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  57             rm -f /dev/disk/by-path/loop*
  58         done
  59 }
  60
  61 trap cleanup 0 1 2 3 15
  62
  63 devlist=
  64 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
  65 do
  66    sz=$size
  67    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  68    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  69    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  70    if [ $d -eq 7 ]
  71    then
  72      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  73    else
  74      losetup /dev/loop$d $targetdir/mdtest$d
  75    fi
  76    eval dev$d=/dev/loop$d
  77    eval file$d=$targetdir/mdtest$d
  78    eval devlist=\"\$devlist \$dev$d\"
  79    #" <-- add this quote to un-confuse vim syntax highlighting
  80 done
  81 path0=$dev6
  82 path1=$dev7
  83
  84 ulimit -c unlimited
  85 [ -f /proc/mdstat ] || modprobe md_mod
  86 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  87 echo 0 > /sys/module/md_mod/parameters/start_ro
  88
  89 if [ " $1" = " setup" ]
  90 then trap 0 ; exit 0
  91 fi
  92
  93 # mdadm always adds --quiet, and we want to see any unexpected messages
  94 mdadm() {
  95     rm -f $targetdir/stderr
  96     case $* in
  97        *-S* ) udevadm settle;;
  98     esac
  99     case $* in
 100        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 101         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 102     esac
 103     rv=$?
 104     cat >&2 $targetdir/stderr
 105     return $rv
 106 }
 107
 108 # check various things
 109 check() {
 110    case $1 in
 111     spares )
 112        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 113        if [ $spares -ne $2 ]
 114        then
 115           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 116        fi
 117       ;;
 118     raid* | linear )
 119       grep -s "active $1 " /proc/mdstat > /dev/null || {
 120                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 121      ;;
 122     resync | recovery | reshape)
 123       sleep 0.5
 124       grep -s $1 /proc/mdstat > /dev/null || {
 125                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 126      ;;
 127
 128      nosync )
 129        sleep 0.5
 130        if grep -s -E '(resync|recovery|reshape) =' > /dev/null /proc/mdstat ; then
 131            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 132        fi
 133      ;;
 134
 135     wait )
 136       sleep 0.1
 137       while grep -E '(resync|recovery|reshape|check|repair) =' > /dev/null /proc/mdstat
 138       do sleep 2;
 139       done
 140       ;;
 141
 142     state )
 143        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 144                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 145        sleep 0.5
 146       ;;
 147
 148     bitmap )
 149        grep -s bitmap > /dev/null /proc/mdstat || {
 150            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 151       ;;
 152     nobitmap )
 153        if grep -s "bitmap" > /dev/null /proc/mdstat
 154        then
 155            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 156        fi
 157       ;;
 158
 159     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 160    esac
 161 }
 162
 163 no_errors() {
 164   if [ -s $targetdir/stderr ]
 165   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 166   fi
 167 }
 168 # basic device test
 169
 170 testdev() {
 171    udevadm settle
 172    dev=$1
 173    cnt=$2
 174    dvsize=$3
 175    chunk=$4
 176    if [ -z "$5" ]; then
 177       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 178    fi
 179    dsize=$[dvsize/chunk]
 180    dsize=$[dsize*chunk]
 181    rasize=$[dsize*2*cnt]
 182    # rasize is in sectors
 183    if [ -n "$DEV_ROUND_K" ]; then
 184       rasize=$[rasize/DEV_ROUND_K/2]
 185       rasize=$[rasize*DEV_ROUND_K*2]
 186    fi
 187    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 188    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 189    then
 190      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 191      exit 1
 192    fi
 193 }
 194
 195 rotest() {
 196   dev=$1
 197   fsck -fn $dev >&2
 198 }
 199
 200 setup_environment() {
 201    if [ -f $1 ]; then
 202       . $environment
 203       setup_env
 204    fi
 205 }
 206
 207 reset_environment() {
 208    if [ -f $1 ]; then
 209       reset_env
 210       unset setup_env
 211       unset reset_env
 212    fi
 213 }
 214
 215 for script in tests/$prefix tests/$prefix*[^~]
 216 do
 217   if [ -f "$script" ]
 218   then
 219    rm -f $targetdir/stderr
 220    # stop all arrays, just incase some script left an array active.
 221    mdadm -Ssq
 222    mdadm --zero $devlist 2> /dev/null
 223    mdadm --zero $devlist 2> /dev/null
 224    environment="tests/env-`basename $script`"
 225    setup_environment $environment
 226    # source script in a subshell, so it has access to our
 227    # namespace, but cannot change it.
 228    if ( set -ex ; . $script )  2> $targetdir/log
 229    then echo "$script succeeded"
 230    else cat $targetdir/log ; cat $targetdir/stderr
 231         echo "$script failed"
 232         reset_environment $environment
 233        exit 1
 234    fi
 235    reset_environment $environment
 236   fi
 237 done
 238 exit 0