mdadm/tests/00raid1
NeilBrown ae6c05ad83 Create: round off size for RAID1 arrays.
RAID1 arrays don't have a chunk size, but if you ever convert
one to RAID5 you will need at least a small one >= 4K.
So round of size to a multiple of 64K.

This only affect Create, not "--grow --size=max".  The latter
is too hard and with smaller returns.

Signed-off-by: NeilBrown <neilb@suse.de>
2012-03-22 16:53:51 +11:00

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# create a simple mirror
# test version0, version1, and no super
# test resync and recovery.
mdadm -CR $md0 -l 1 -n2 $dev0 $dev1
check resync
check raid1
testdev $md0 1 $mdsize1a 64
mdadm -S $md0
# now with version-0.90 superblock, spare
mdadm -CR $md0 -e0.90 --level=raid1 -n3 -x2 $dev0 missing missing $dev1 $dev2
check recovery
check raid1
testdev $md0 1 $mdsize0 64
mdadm -S $md0
# now with no superblock
mdadm -B $md0 -l mirror -n2 $dev0 $dev1
check resync
check raid1
testdev $md0 1 $size 1
mdadm -S $md0
# again, but with no resync
mdadm -B $md0 -l 1 --assume-clean -n2 $dev0 $dev1
check raid1
check nosync
testdev $md0 1 $size 1
mdadm -S $md0
exit 0