projects / thirdparty / mdadm.git / blame
| Commit | Line | Data |
|---|---|---|
| d81cc6a7 MW |
1 | ddf_check() { |
| 2 | udevadm settle | |
| 3 | case $1 in | |
| 4 | container ) | |
| 5 | grep -s "blocks super external:ddf" /proc/mdstat > /dev/null || { | |
| 6 | echo >&2 "**Fatal** Correctly formed container not found"; cat /proc/mdstat; exit 1; } | |
| 7 | ;; | |
| 8 | member ) | |
| 9 | t_member=$2 | |
| 10 | t_num_disks=$3 | |
| 11 | t_level=$4 | |
| 12 | t_rd_size=$5 | |
| 13 | t_size=$6 | |
| 14 | t_offset=$7 | |
| 15 | t_chunk=$8 | |
| 16 | t_layout=$9 | |
| 17 | ||
| 18 | if [ $t_chunk -ne 0 ]; then | |
| 19 | t_rd_size=$((t_rd_size & ~(t_chunk - 1))) | |
| 20 | fi | |
| 21 | case $t_level in | |
| 22 | 0) t_size=$((t_num_disks*$t_rd_size));; | |
| 23 | 1) t_size=$t_rd_size;; | |
| 24 | 4|5) t_size=$(((t_num_disks-1)*$t_rd_size));; | |
| 25 | 6) t_size=$(((t_num_disks-2)*$t_rd_size));; | |
| 26 | 10) t_size=$((t_num_disks*$t_rd_size/t_layout));; | |
| 27 | esac | |
| 28 | ||
| 29 | err=0 | |
| 30 | ||
| 31 | eval `stat -L -c "let major=0x%t; let minor=0x%T;" $t_member` | |
| 32 | sysfs=/sys/dev/block/${major}:${minor} | |
| 33 | if [ ! -f ${sysfs}/md/array_state ]; then | |
| 34 | echo "**Fatal**: Array member $t_member not found" >&2; cat /proc/mdstat >&2; exit 1 | |
| 35 | fi | |
| 36 | _chunk=`cat ${sysfs}/md/chunk_size` | |
| 37 | if [ $t_chunk -ne $((_chunk/1024)) ]; then | |
| 38 | echo "**Error**: Chunk size mismatch - expected $t_chunk, actual $_chunk" >&2 | |
| 39 | err=$((err + 1)) | |
| 40 | fi | |
| 41 | for i in `seq 0 $((t_num_disks - 1))`; do | |
| 42 | _offset=`cat ${sysfs}/md/rd${i}/offset` | |
| 43 | if [ $t_offset -ne $((_offset / 2)) ]; then | |
| 44 | echo "**Error**: Offset mismatch - expected $t_offset, actual $((_offset/2))" >&2 | |
| 45 | err=$((err + 1)) | |
| 46 | fi | |
| 47 | _rd_size=`cat ${sysfs}/md/rd${i}/size` | |
| 48 | if [ $t_rd_size -ne $_rd_size ]; then | |
| 49 | echo "**Error**: Component size mismatch - expected $t_rd_size, actual $_rd_size" >&2 | |
| 50 | err=$((err + 1)) | |
| 51 | fi | |
| 52 | done | |
| 53 | _size=`cat ${sysfs}/md/array_size` | |
| 54 | [ o$_size = odefault ] && _size=$(($(cat ${sysfs}/size)/2)) | |
| 55 | if [ $t_size -ne $_size ]; then | |
| 56 | echo "**Error**: Array size mismatch - expected $t_size, actual $_size" >&2 | |
| 57 | err=$((err + 1)) | |
| 58 | fi | |
| 59 | if [ $err -gt 0 ]; then | |
| 60 | echo "$t_member failed check" >&2 | |
| 61 | cat /proc/mdstat >&2 | |
| 62 | mdadm -E /dev/loop8 >&2 | |
| 63 | exit 1 | |
| 64 | fi | |
| 65 | ;; | |
| 66 | * ) | |
| 67 | echo >&2 "**Error** unknown check $1"; exit 1; | |
| 68 | esac | |
| 69 | } | |
| 70 | ||
| 71 | container=/dev/md/ddf | |
| 72 | member0=/dev/md/vol0 | |
| 73 | member1=/dev/md/vol1 | |
| 74 | member2=/dev/md/vol2 | |
| 75 | member3=/dev/md/vol3 | |
| 76 | member4=/dev/md/vol4 |