what is mean by raid and what are all raids available even
in software and hardware?

Answer Posted / srinivas

Raid Stands for Redundant Array of Independent Disks.It is
a set of Technology standards for Teamingup DiskDrives to
improve Performence and FaultTolerance. Totally there are 6
levels in Raid
0 - stripping
1 - Mirroring
2 - Stripping and Mirroring
3 - Onfficially Not Defined
4 - Striping with Differential Parity
5 - Striping with Distributional Parity

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