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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 |