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Commit | Line | Data |
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ba624124 N |
1 | |
2 | # | |
3 | # test that we can stop and restart a level change. | |
4 | # just test a few in-place changes, and a few | |
5 | # size-reducing changes. | |
6 | ||
7 | ||
8 | checkgeo() { | |
9 | # check the geometry of an array | |
10 | # level raid_disks chunk_size layout | |
11 | dev=$1 | |
12 | shift | |
13 | sleep 0.5 | |
14 | check wait | |
15 | for attr in level raid_disks chunk_size layout | |
16 | do | |
17 | if [ $# -gt 0 ] ; then | |
18 | val=$1 | |
19 | shift | |
20 | if [ " `cat /sys/block/$dev/md/$attr`" != " $val" ] | |
21 | then echo "$attr doesn't match for $dev" | |
22 | exit 1 | |
23 | fi | |
24 | fi | |
25 | done | |
26 | } | |
27 | ||
28 | restart() { | |
29 | sleep 0.5 | |
30 | check reshape | |
31 | mdadm -S $md0 | |
32 | mdadm -A $md0 $devs --backup-file=$bu | |
33 | sleep 0.5 | |
34 | check reshape | |
35 | } | |
36 | ||
37 | bu=/tmp/md-backup | |
38 | rm -f $bu | |
39 | devs="$dev0 $dev1 $dev2 $dev3 $dev4" | |
40 | mdadm -CR $md0 -l5 -n5 -c 256 $devs | |
41 | checkgeo md0 raid5 5 $[256*1024] 2 | |
42 | ||
43 | mdadm -G $md0 -c 128 --backup-file=$bu | |
44 | restart | |
45 | checkgeo md0 raid5 5 $[128*1024] 2 | |
46 | ||
47 | mdadm -G $md0 --layout rs --backup-file=$bu | |
48 | restart | |
49 | checkgeo md0 raid5 5 $[128*1024] 3 | |
50 | ||
15604480 | 51 | mdadm -G $md0 --array-size 58368 |
ba624124 N |
52 | mdadm -G $md0 --raid-disks 4 -c 64 --backup-file=$bu |
53 | restart | |
54 | checkgeo md0 raid5 4 $[64*1024] 3 | |
55 | ||
56 | devs="$dev0 $dev1 $dev2 $dev3" | |
15604480 | 57 | mdadm -G $md0 --array-size 19456 |
ba624124 N |
58 | mdadm -G $md0 -n 2 -c 256 --backup-file=$bu |
59 | restart | |
60 | checkgeo md0 raid5 2 $[256*1024] 3 |