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