How to remove RAID devices from Linux

How to remove RAID devices from Linux.

1. In-order to remove a RAID device, First stop the umount the FS.

umount /storage

2. Then stop the RAID.
mdadm --stop /dev/md0

3. Once RAID deactivated or stopped, remove it now.
mdadm --remove /dev/md0

4. Now Check.
cat /proc/mdstat

5. Now zero super blocks on all devices that are associated with the RAID.

mdadm --zero-superblock /dev/sdb /dev/sdc

You are all done . Cheers.