45 lines
1010 B
Plaintext
45 lines
1010 B
Plaintext
set -e -x
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# revert a reshape that is not changing the number of data devices,
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# raid5, raid6, and raid10
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# RAID5 -> RAID6
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mdadm -CR --assume-clean $md0 -l5 -n4 -x1 $devlist4
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check raid5
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testdev $md0 3 $mdsize1 512
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mdadm -G $md0 -l 6
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sleep 2
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mdadm -S $md0
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mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
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check wait
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check raid6
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check algorithm 18
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testdev $md0 3 $mdsize1 512
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mdadm -S $md0
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# RAID6 -> RAID5
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mdadm -CR --assume-clean $md0 -l6 -n5 $devlist4
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check raid6
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testdev $md0 3 $mdsize1 512
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mdadm -G $md0 -l 5
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sleep 2
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mdadm -S $md0
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mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
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check wait
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check raid6
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testdev $md0 3 $mdsize1 512
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mdadm -S $md0
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# RAID10 - decrease chunk size
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mdadm -CR --assume-clean $md0 -l10 -n6 -c 64 $devlist5
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check raid10
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testdev $md0 3 $mdsize1 64
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mdadm -G $md0 -c 32
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sleep 2
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mdadm -S $md0
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strace -o /tmp/str ./mdadm -A $md0 --update=revert-reshape $devlist5
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check wait
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check raid10
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testdev $md0 3 $mdsize1 64
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mdadm -S $md0
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