tests/env-ddf-template

   1 sha1_sum() {
   2     sha1sum "$1" | cut -c 1-40
   3 }
   4
   5 get_rootdev() {
   6     local dev=$(stat -c %D /)
   7     local maj=$(expr $dev : '\(..*\)..')
   8     local min=${dev#$maj}
   9     local bd=/dev/$(basename $(readlink /sys/dev/block/$((0x$maj)):$((0x$min))))
  10     [ -b $bd ] || exit 1
  11     echo $bd
  12 }
  13
  14 get_sysdir() {
  15     local mddev=$1
  16     [ -L $mddev ] && mddev=$(readlink -f $mddev)
  17     echo "/sys/class/block/$(basename $mddev)/md"
  18 }
  19
  20 get_raiddisks() {
  21     sysdir=$(get_sysdir "$1")
  22     for i in $(seq 0 $(($(cat $sysdir/raid_disks)-1))); do
  23         if [ -d $sysdir/rd$i ]; then
  24             readlink -f /dev/block/$(cat $sysdir/rd$i/block/dev)
  25         else
  26             echo MISSING
  27         fi
  28     done
  29 }
  30
  31 get_present() {
  32     get_raiddisks $1 | grep -vc MISSING
  33 }
  34
  35 ddf_check() {
  36     udevadm settle
  37     case $1 in
  38     container )
  39         grep -s "blocks super external:ddf" /proc/mdstat > /dev/null || {
  40             echo >&2 "**Fatal** Correctly formed container not found"; cat /proc/mdstat; exit 1; }
  41         ;;
  42     member )
  43         t_member=$2
  44         t_num_disks=$3
  45         t_level=$4
  46         t_rd_size=$5
  47         t_size=$6
  48         t_offset=$7
  49         t_chunk=$8
  50         t_layout=$9
  51
  52         if [ $t_chunk -ne 0 ]; then
  53             t_rd_size=$((t_rd_size & ~(t_chunk - 1)))
  54         fi
  55         case $t_level in
  56         0) t_size=$((t_num_disks*$t_rd_size));;
  57         1) t_size=$t_rd_size;;
  58         4|5) t_size=$(((t_num_disks-1)*$t_rd_size));;
  59         6) t_size=$(((t_num_disks-2)*$t_rd_size));;
  60         10) t_size=$((t_num_disks*$t_rd_size/t_layout));;
  61         esac
  62
  63         err=0
  64
  65         eval `stat -L -c "let major=0x%t; let minor=0x%T;" $t_member`
  66         sysfs=/sys/dev/block/${major}:${minor}
  67         if [ ! -f ${sysfs}/md/array_state ]; then
  68             echo "**Fatal**: Array member $t_member not found" >&2; cat /proc/mdstat >&2; exit 1
  69         fi
  70         _chunk=`cat ${sysfs}/md/chunk_size`
  71         if [ $t_chunk -ne $((_chunk/1024)) ]; then
  72             echo "**Error**: Chunk size mismatch - expected $t_chunk, actual $_chunk" >&2
  73             err=$((err + 1))
  74         fi
  75         for i in `seq 0 $((t_num_disks - 1))`; do
  76             _offset=`cat ${sysfs}/md/rd${i}/offset`
  77             if [ $t_offset -ne $((_offset / 2)) ]; then
  78                 echo "**Error**: Offset mismatch - expected $t_offset, actual $((_offset/2))" >&2
  79                 err=$((err + 1))
  80             fi
  81             _rd_size=`cat ${sysfs}/md/rd${i}/size`
  82             if [ $t_rd_size -ne $_rd_size ]; then
  83                 echo "**Error**: Component size mismatch - expected $t_rd_size, actual $_rd_size" >&2
  84                 err=$((err + 1))
  85             fi
  86         done
  87         _size=`cat ${sysfs}/md/array_size`
  88         [ o$_size = odefault ] && _size=$(($(cat ${sysfs}/size)/2))
  89         if [ $t_size -ne $_size ]; then
  90             echo "**Error**: Array size mismatch - expected $t_size, actual $_size" >&2
  91             err=$((err + 1))
  92         fi
  93         if [ $err -gt 0 ]; then
  94             echo "$t_member failed check" >&2
  95             cat /proc/mdstat >&2
  96             mdadm -E /dev/loop8 >&2
  97             exit 1
  98         fi
  99         ;;
 100     * )
 101         echo >&2 "**Error** unknown check $1"; exit 1;
 102     esac
 103 }
 104
 105 container=/dev/md/ddf0
 106 member0=/dev/md/vol0
 107 member1=/dev/md/vol1
 108 member2=/dev/md/vol2
 109 member3=/dev/md/vol3
 110 member4=/dev/md/vol4
 111
 112 # We don't want systemd to start system mdmon; start our own
 113 export MDADM_NO_SYSTEMCTL=1