Answer Posted / babu

RIAD: Redundant Array of Inexpensive Disks...
and definition is logically grouping for physically disks to achieving the better performance and fault tolerance.
In This RAID two types :1)Hardware RAID 2)Software RAID and also RAID levels...
RAID Levels:
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1)RAID 0:we have minimum two drives.it is called as "Data striping".In this disk to better performance but main default is no redundancy..If one disk have fail the total data as loss...

2)RAID 1:we have minimum 2 drives. it is called as "Data Mirroring".In this disk very high performance and redundancy but duplicate data drive or waste is very high...

3)RAID 3:it is called as "Striping with dedicated parity".

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