Linux Hint published a tutorial about how to create RAID arrays using MDADM on Ubuntu.
How to create RAID arrays using MDADM on ubuntu
RAID is a virtualization platform for data storage that integrates several physical disc drives into one or more logical units. RAID uses disc mirroring or disc striping methods, mirroring on more than one drive would copy similar data. How to create RAID arrays using MDADM on ubuntu is explained in this article.
How to create RAID arrays using MDADM on ubuntu – Linux Hint