tests/env-ddf-template

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