# create a simple mirror # test version0, version1, and no super # test resync and recovery. # It's just a sanity check. This command shouldn't run successfully mdadm -CR $md0 -l 1 -n2 missing missing check opposite_result 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