mdadm -CR $md0 -l linear -n3 $dev0 $dev1 $dev2
check linear
-testdev $md0 3 $mdsize0 64
+testdev $md0 3 $mdsize2_l 1
mdadm -S $md0
-# now with version-1 superblock
-mdadm -CR $md0 -e1 --level=linear -n4 $dev0 $dev1 $dev2 $dev3
+# now with version-0.90 superblock
+mdadm -CR $md0 -e0.90 --level=linear -n4 $dev0 $dev1 $dev2 $dev3
check linear
-testdev $md0 4 $mdsize1 64
+testdev $md0 4 $mdsize0 1
+mdadm -S $md0
+
+# now with version-1.0 superblock
+mdadm -CR $md0 -e1.0 --level=linear -n4 $dev0 $dev1 $dev2 $dev3
+check linear
+testdev $md0 4 $mdsize1 1
mdadm -S $md0
# now with no superblock