blob: 64b81b92c5ad1da720942f31925130ee6fc4f315 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
set -x -e
# Test how <devname> and --name= are handled for create mode.
# We need to check three properties, generated from those parameters:
# - devnode name
# - link in /dev/md/ (MD_DEVNAME property from --detail --export)
# - name in metadata (MD_NAME property from --examine --export)
function _verify() {
local DEVNODE_NAME="$1"
local WANTED_LINK="$2"
local WANTED_NAME="$3"
local RES="$(mdadm -D --export $DEVNODE_NAME | grep MD_DEVNAME)"
if [[ "$?" != "0" ]]; then
echo "Cannot get details for $DEVNODE_NAME - unexpected devnode."
exit 1
fi
if [[ "$WANTED_LINK" != "empty" ]]; then
local EXPECTED="MD_DEVNAME=$WANTED_LINK"
if [[ "$RES" != "$EXPECTED" ]]; then
echo "$RES doesn't match $EXPECTED."
exit 1
fi
fi
local RES="$(mdadm -E --export $dev0 | grep MD_NAME)"
if [[ "$?" != "0" ]]; then
echo "Cannot get metadata from $dev0."
exit 1
fi
local EXPECTED="MD_NAME=$(hostname):$WANTED_NAME"
if [[ "$RES" != "$EXPECTED" ]]; then
echo "$RES doesn't match $EXPECTED."
exit 1
fi
}
function _create() {
local DEVNAME=$1
local NAME=$2
if [[ -z "$NAME" ]]; then
mdadm -CR "$DEVNAME" -l0 -n 1 $dev0 --force
else
mdadm -CR "$DEVNAME" --name="$NAME" -l0 -n 1 $dev0 --force
fi
if [[ "$?" != "0" ]]; then
echo "Cannot create device."
exit 1
fi
}
# The most trivial case.
_create "/dev/md/name"
_verify "/dev/md127" "name" "name"
mdadm -S "/dev/md127"
_create "name"
_verify "/dev/md127" "name" "name"
mdadm -S "/dev/md127"
# Use 'mdX' as name.
_create "/dev/md/md0"
_verify "/dev/md127" "md0" "md0"
mdadm -S "/dev/md127"
_create "md0"
_verify "/dev/md127" "md0" "md0"
mdadm -S "/dev/md127"
# <devnode> is used to create MD_DEVNAME but, name is used to create MD_NAME.
_create "/dev/md/devnode" "name"
_verify "/dev/md127" "devnode" "name"
mdadm -S "/dev/md127"
_create "devnode" "name"
_verify "/dev/md127" "devnode" "name"
mdadm -S "/dev/md127"
# Devnode points to /dev/ directory. MD_DEVNAME doesn't exist.
_create "/dev/md0"
_verify "/dev/md0" "empty" "0"
mdadm -S "/dev/md0"
# Devnode points to /dev/ directory and name is set.
_create "/dev/md0" "name"
_verify "/dev/md0" "empty" "name"
mdadm -S "/dev/md0"
|
