tests: add test for converting levels to raid0 and back.
Now that I have this mostly working, I should make sure it doesn't break... Signed-off-by: NeilBrown <neilb@suse.de>
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test
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test
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@ -138,6 +138,10 @@ check() {
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grep -s "active $1 " /proc/mdstat > /dev/null || {
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echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
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;;
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algorithm )
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grep -s " algorithm $2 " /proc/mdstat > /dev/null || {
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echo >&2 "ERROR algorithm $2 not found"; cat /proc/mdstat; exit 1;}
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;;
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resync | recovery | reshape)
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sleep 0.5
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grep -s $1 /proc/mdstat > /dev/null || {
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@ -0,0 +1,22 @@
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set -x -e
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# reshape a RAID6 to RAID5 and then RAID0.
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# then reshape back up to RAID5 and RAID5
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mdadm -CR $md0 -l6 -n5 $dev0 $dev1 $dev2 $dev3 $dev4
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check wait
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check raid6
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mdadm -G $md0 -l5
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check wait
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check raid5
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mdadm -G $md0 -l0
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check wait
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check raid0
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mdadm -G $md0 -l5 --add $dev3 $dev4
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check wait
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check raid5
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check algorithm 2
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mdadm -G $md0 -l 6
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check wait
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check raid6
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check algorithm 2
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