projects / thirdparty / mdadm.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | |
| 20c993e2 N |
15 | sleep 1 |
| 16 | for attr in level raid_disks chunk_size layout | |
| ba624124 N |
17 | do |
| 18 | if [ $# -gt 0 ] ; then | |
| 19 | val=$1 | |
| 20 | shift | |
| 21 | if [ " `cat /sys/block/$dev/md/$attr`" != " $val" ] | |
| 22 | then echo "$attr doesn't match for $dev" | |
| 23 | exit 1 | |
| 24 | fi | |
| 25 | fi | |
| 26 | done | |
| 27 | } | |
| 28 | ||
| 29 | restart() { | |
| 30 | sleep 0.5 | |
| 31 | check reshape | |
| 32 | mdadm -S $md0 | |
| 33 | mdadm -A $md0 $devs --backup-file=$bu | |
| 34 | sleep 0.5 | |
| 35 | check reshape | |
| 36 | } | |
| 37 | ||
| 38 | bu=/tmp/md-backup | |
| 39 | rm -f $bu | |
| 40 | devs="$dev0 $dev1 $dev2 $dev3 $dev4" | |
| 41 | mdadm -CR $md0 -l5 -n5 -c 256 $devs | |
| 42 | checkgeo md0 raid5 5 $[256*1024] 2 | |
| 43 | ||
| 44 | mdadm -G $md0 -c 128 --backup-file=$bu | |
| 45 | restart | |
| 46 | checkgeo md0 raid5 5 $[128*1024] 2 | |
| 47 | ||
| 48 | mdadm -G $md0 --layout rs --backup-file=$bu | |
| 49 | restart | |
| 50 | checkgeo md0 raid5 5 $[128*1024] 3 | |
| 51 | ||
| 15604480 | 52 | mdadm -G $md0 --array-size 58368 |
| ba624124 N |
53 | mdadm -G $md0 --raid-disks 4 -c 64 --backup-file=$bu |
| 54 | restart | |
| 55 | checkgeo md0 raid5 4 $[64*1024] 3 | |
| 56 | ||
| 57 | devs="$dev0 $dev1 $dev2 $dev3" | |
| 15604480 | 58 | mdadm -G $md0 --array-size 19456 |
| ba624124 N |
59 | mdadm -G $md0 -n 2 -c 256 --backup-file=$bu |
| 60 | restart | |
| 61 | checkgeo md0 raid5 2 $[256*1024] 3 |