May 25
2012
umounting and deleteing array
umount /dev/md0
mdadm –stop /dev/md0
mdadm –zero-superblock /dev/sda1
mdadm –zero-superblock /dev/sdb1
mdadm –zero-superblock /dev/sdc1
mdadm –zero-superblock /dev/sdd1
umount /dev/md0
mdadm –stop /dev/md0
mdadm –zero-superblock /dev/sda1
mdadm –zero-superblock /dev/sdb1
mdadm –zero-superblock /dev/sdc1
mdadm –zero-superblock /dev/sdd1