What is meant by Hardware RAID and Software RAID?

RAID is Redundant Array of Independent Disks. It is combination of hard disk drives which are linked together for higher performance. There are two possible approaches they are:

1. Hardware Raid: These are the processors that improve performance and data availability; it creates data protection and transfers it to disk drives. These usually are located in an external storage subsystem that helps the CPU from performing RAID equivalence.
2. Software Raid: The operating system manages the disks of the array with the help of the CPU; these RAIDS are competitively faster than Hardware Raids, this work with the help of the present CPU. This provides less data protection.

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I accidentally re formatted my RAID Volumes can data still be recovered?

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