[thirdparty/mdadm.git] / tests / 02r6grow


set -e

# create a small raid6 array, make it larger.  Then make it smaller

mdadm -CR $md0 --level raid6 --chunk=32 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4 
check wait
check state UUUU
testdev $md0 2 $[size/2] 32

mdadm --grow $md0 --size max
check resync
check wait
testdev $md0 2 $mdsize0 64

mdadm --grow $md0 --size $[size/2]
check nosync
testdev $md0 2 $[size/2] 64

mdadm -S $md0

# same again with version 1.1 superblock
mdadm -CR $md0 --level raid6 --metadata=1.1 --chunk=128 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4 
check wait
check state UUUU
testdev $md0 2 $[size/2] 128

mdadm --grow $md0 --size max
check resync
check wait
testdev $md0 2 $[size-1] 128

mdadm --grow $md0 --size $[size/2]
check nosync
testdev $md0 2 $[size/2] 128

mdadm -S $md0
Commit	Line	Data
5e7519fa NB	1
	2	set -e
	3
	4	# create a small raid6 array, make it larger. Then make it smaller
	5
dab6685f NB	6	mdadm -CR $md0 --level raid6 --chunk=32 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
	7	check wait
	8	check state UUUU
	9	testdev $md0 2 $[size/2] 32
5e7519fa	10
dab6685f NB	11	mdadm --grow $md0 --size max
	12	check resync
	13	check wait
	14	testdev $md0 2 $mdsize0 64
5e7519fa	15
dab6685f NB	16	mdadm --grow $md0 --size $[size/2]
	17	check nosync
	18	testdev $md0 2 $[size/2] 64
5e7519fa	19
dab6685f	20	mdadm -S $md0
5e7519fa NB	21
5e7519fa NB	22	# same again with version 1.1 superblock
dab6685f NB	23	mdadm -CR $md0 --level raid6 --metadata=1.1 --chunk=128 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
	24	check wait
	25	check state UUUU
	26	testdev $md0 2 $[size/2] 128
5e7519fa	27
dab6685f NB	28	mdadm --grow $md0 --size max
	29	check resync
	30	check wait
	31	testdev $md0 2 $[size-1] 128
5e7519fa	32
dab6685f NB	33	mdadm --grow $md0 --size $[size/2]
	34	check nosync
	35	testdev $md0 2 $[size/2] 128
5e7519fa	36
dab6685f	37	mdadm -S $md0