Ans: High performance devices tend to be costly. So we can gain very high performance at a reasonable cost using a number of low-cost devices operating in parallel. It is known RAID( Redundant array of Inexpensive Disks).
Explain data stripping?
Ans: A single big file is stored in various separate disk units by breaking the file up into a number of smaller pieces and storing these pieces on different disks. It is called data stripping.
Define the process of organized data in the disk?
Ans: Each surface is divided into concentric tracks, and each track is divided into sectors. The set of equivalent tracks on all surfaces of a stack of disks forms a logical cylinder. The data are accessed using read/write head.