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Commit | Line | Data |
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1a2872fe | 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 | ||
ee7d0c09 | 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 | ||
d81cc6a7 MW |
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 | |
aa0faa10 | 107 | |
108 | # We don't want systemd to start system mdmon; start our own | |
109 | export MDADM_NO_SYSTEMCTL=1 |