Raid is a method of combining several physical disks into make virtual disk. It will provide
Data recovery services through implementing hard disk recovery or data recovery hard disk without using any file recovery software. So the Raid method is performing easy recovery operation.
These data recovery service for hard disk recovery if one disk get damaged the data can be recover from other disk and the function of the other disks does not get affected.
RAID 1 AND RAID 5
There are various levels of RAID .But now I explain two important Level RAID 1 and RAID 5