53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
set -e -x
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# revert a reshape that is increasing the number of devices,
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# raid5, raid6, and raid10
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# metadate 0.90 cannot handle RAID10 growth
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# metadata 1.0 doesn't get a default headspace, is don't try it either.
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for metadata in 0.90 1.1 1.2
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do
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# RAID5
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mdadm -CR --assume-clean $md0 -l5 -n4 -x1 $devlist4 --metadata=$metadata
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check raid5
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testdev $md0 3 $mdsize1 512
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mdadm -G $md0 -n 5
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sleep 3
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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 raid5
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testdev $md0 3 $mdsize1 512
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mdadm -S $md0
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# RAID6
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mdadm -CR --assume-clean $md0 -l6 -n4 -x1 $devlist4 --metadata=$metadata
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check raid6
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testdev $md0 2 $mdsize1 512
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mdadm -G $md0 -n 5
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sleep 3
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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 2 $mdsize1 512
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mdadm -S $md0
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if [ $metadata = 0.90 ]; then continue; fi
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# RAID10
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mdadm -CR --assume-clean $md0 -l10 -n4 -x1 $devlist4 --metadata=$metadata
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check raid10
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testdev $md0 2 $mdsize1 512
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mdadm -G $md0 -n 5
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sleep 3
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mdadm -S $md0
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strace -o /tmp/str ./mdadm -A $md0 --update=revert-reshape $devlist4
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check wait
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check raid10
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testdev $md0 2 $mdsize1 512
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mdadm -S $md0
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done
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