tests/07revert-grow

   1 set -e -x
   2
   3 # revert a reshape that is increasing the number of devices,
   4 # raid5, raid6, and raid10
   5
   6 # metadate 0.90 cannot handle RAID10 growth
   7 # metadata 1.0 doesn't get a default headspace, is don't try it either.
   8
   9 for metadata in 0.90 1.1 1.2
  10 do
  11 # RAID5
  12 mdadm -CR --assume-clean $md0 -l5 -n4 -x1 $devlist4 --metadata=$metadata
  13 check raid5
  14 testdev $md0 3 $mdsize1 512
  15 mdadm -G $md0 -n 5
  16 sleep 3
  17 mdadm -S $md0
  18 mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
  19 check wait
  20 check raid5
  21 testdev $md0 3 $mdsize1 512
  22 mdadm -S $md0
  23
  24 # RAID6
  25 mdadm -CR --assume-clean $md0 -l6 -n4 -x1 $devlist4 --metadata=$metadata
  26 check raid6
  27 testdev $md0 2 $mdsize1 512
  28 mdadm -G $md0 -n 5
  29 sleep 3
  30 mdadm -S $md0
  31 mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
  32 check wait
  33 check raid6
  34 testdev $md0 2 $mdsize1 512
  35 mdadm -S $md0
  36
  37 if [ $metadata = 0.90 ]; then continue; fi
  38
  39 # RAID10
  40 mdadm -CR --assume-clean $md0 -l10 -n4 -x1 $devlist4 --metadata=$metadata
  41 check raid10
  42 testdev $md0 2 $mdsize1 512
  43 mdadm -G $md0 -n 5
  44 sleep 3
  45 mdadm -S $md0
  46 strace -o /tmp/str ./mdadm -A $md0 --update=revert-reshape $devlist4
  47 check wait
  48 check raid10
  49 testdev $md0 2 $mdsize1 512
  50 mdadm -S $md0
  51
  52 done