| |
| |
| # create a small raid1 array, make it larger. Then make it smaller |
| |
| mdadm -CR $md0 -e 0.90 --level raid1 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3 |
| check wait |
| check state UUU |
| testdev $md0 1 $[size/2] 1 |
| |
| mdadm --grow $md0 --size max |
| check resync |
| check wait |
| testdev $md0 1 $mdsize0 1 |
| |
| mdadm --grow $md0 --size $[size/2] |
| check nosync |
| testdev $md0 1 $[size/2] 1 |
| |
| mdadm -S $md0 |
| |
| # same again with version 1.1 superblock |
| mdadm -CR $md0 --level raid1 --metadata=1.1 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3 |
| check wait |
| check state UUU |
| testdev $md0 1 $[size/2] 1 |
| |
| mdadm --grow $md0 --size max |
| check resync |
| check wait |
| testdev $md0 1 $mdsize1_l 1 |
| |
| mdadm --grow $md0 --size $[size/2] |
| check nosync |
| testdev $md0 1 $[size/2] 1 |
| |
| mdadm -S $md0 |