projects / thirdparty / mdadm.git / blame
| Commit | Line | Data |
|---|---|---|
| 7d7092ec N |
1 | set -e -x |
| 2 | ||
| 3 | # revert a reshape that is not changing the number of data devices, | |
| 4 | # raid5, raid6, and raid10 | |
| 5 | ||
| 6 | # RAID5 -> RAID6 | |
| 7 | mdadm -CR --assume-clean $md0 -l5 -n4 -x1 $devlist4 | |
| 8 | check raid5 | |
| 9 | testdev $md0 3 $mdsize1 512 | |
| 10 | mdadm -G $md0 -l 6 | |
| 0832fb09 | 11 | sleep 2 |
| 7d7092ec N |
12 | mdadm -S $md0 |
| 13 | mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup | |
| 14 | check wait | |
| 15 | check raid6 | |
| 16 | check algorithm 18 | |
| 17 | testdev $md0 3 $mdsize1 512 | |
| 18 | mdadm -S $md0 | |
| 19 | ||
| 20 | # RAID6 -> RAID5 | |
| 21 | mdadm -CR --assume-clean $md0 -l6 -n5 $devlist4 | |
| 22 | check raid6 | |
| 23 | testdev $md0 3 $mdsize1 512 | |
| 24 | mdadm -G $md0 -l 5 | |
| 0832fb09 | 25 | sleep 2 |
| 7d7092ec N |
26 | mdadm -S $md0 |
| 27 | mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup | |
| 28 | check wait | |
| 29 | check raid6 | |
| 30 | testdev $md0 3 $mdsize1 512 | |
| 31 | mdadm -S $md0 | |
| 32 | ||
| 33 | # RAID10 - decrease chunk size | |
| 34 | mdadm -CR --assume-clean $md0 -l10 -n6 -c 64 $devlist5 | |
| 35 | check raid10 | |
| 36 | testdev $md0 3 $mdsize1 64 | |
| 37 | mdadm -G $md0 -c 32 | |
| 0832fb09 | 38 | sleep 2 |
| 7d7092ec N |
39 | mdadm -S $md0 |
| 40 | strace -o /tmp/str ./mdadm -A $md0 --update=revert-reshape $devlist5 | |
| 41 | check wait | |
| 42 | check raid10 | |
| 43 | testdev $md0 3 $mdsize1 64 | |
| 44 | mdadm -S $md0 |