| # |
| # Test various RAID geometries, creation and deletion of subarrays |
| # |
| |
| assert_fail() { |
| if mdadm "$@"; then |
| echo mdadm "$@" must fail |
| return 1 |
| else |
| return 0 |
| fi |
| } |
| |
| assert_kill() { |
| local dev=$1 n=$2 |
| mdadm -S $dev |
| mdadm --kill-subarray=$n /dev/md/ddf0 |
| if mdadm -Dbs | grep -q $dev; then |
| echo >&2 $dev should be deleted |
| return 1 |
| fi |
| return 0 |
| } |
| |
| set -e |
| mdadm -CR /dev/md/ddf0 -e ddf -n 6 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13 |
| |
| # RAID1 geometries |
| # Use different sizes to make offset calculation harder |
| mdadm -CR l1s -l1 -n2 /dev/md/ddf0 -z 8000 |
| mdadm -CR l1m -l1 -n3 $dev8 $dev9 $dev10 -z 10000 |
| assert_fail -CR badl1 -l1 -n4 /dev/md/ddf0 |
| |
| # RAID10 geometries |
| mdadm -CR l10_0 -l10 -n3 /dev/md/ddf0 -z 1000 |
| mdadm -CR l10_1 -l10 -n5 /dev/md/ddf0 -z 1000 |
| assert_fail mdadm -CR badl10 -l10 -n4 -pn3 /dev/md/ddf0 |
| mdadm -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 4000 |
| mdadm -CR l10_3 -l10 -n6 -pn3 /dev/md/ddf0 -z 4000 |
| |
| assert_fail -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000 |
| assert_kill /dev/md/l10_2 4 |
| # gone now, must be able to create it again |
| mdadm -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000 |
| |
| # Now stop and reassemble |
| mdadm -Ss |
| mdadm -A /dev/md/ddf0 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13 |
| |
| # Same as above, on inactive container |
| assert_fail -CR l10_3 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000 |
| # Kill subarray without having started anything (no mdmon) |
| mdadm --kill-subarray=5 /dev/md/ddf0 |
| mdadm -I /dev/md/ddf0 |
| mdadm -CR l10_3 -l10 -n6 -pn3 /dev/md/ddf0 -z 5000 |
| |
| assert_kill /dev/md/l10_2 4 |
| assert_kill /dev/md/l10_3 5 |
| |
| # RAID5 geometries |
| mdadm -CR l5la -l5 -n3 --layout=ddf-N-restart /dev/md/ddf0 -z 5000 |
| mdadm -CR l5ra -l5 -n3 --layout=ddf-zero-restart /dev/md/ddf0 -z 5000 |
| mdadm -CR l5ls -l5 -n3 --layout=ddf-N-continue /dev/md/ddf0 -z 5000 |
| assert_fail -CR l5rs -l5 -n3 -prs /dev/md/ddf0 -z 5000 |
| |
| # Stop and reassemble |
| mdadm -Ss |
| mdadm -A /dev/md/ddf0 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13 |
| mdadm -I /dev/md/ddf0 |
| |
| assert_kill /dev/md/l5la 4 |
| assert_kill /dev/md/l5ls 6 |
| assert_kill /dev/md/l5ra 5 |
| |
| # RAID6 geometries |
| assert_fail -CR l6la -l6 -n3 -pla /dev/md/ddf0 -z 5000 |
| assert_fail -CR l6rs -l5 -n4 -prs /dev/md/ddf0 -z 5000 |
| mdadm -CR l6la -l6 -n4 --layout=ddf-N-restart /dev/md/ddf0 -z 5000 |
| mdadm -CR l6ra -l6 -n4 --layout=ddf-zero-restart $dev8 $dev9 $dev10 $dev11 -z 5000 |
| mdadm -CR l6ls -l6 -n4 --layout=ddf-N-continue $dev13 $dev8 $dev9 $dev12 -z 5000 |
| |
| mdadm -Ss |
