Page 72 - RHEL8 BOOK

 RAID 1: -
 Minimum 2 Hard disks.
 Maximum 2 Hard disks.
 Simultaneously data will be written to two volumes on two different disks.
 Read speed is fast write speed is slow.
 Fault tolerance is available.
 50 % overhead.

 RAID 4:-
 Minimum 3 Hard disks.
 Maximum 32 Hard disks.
 Data is written alternately and evenly to two or more disks and parity is only written in one disk.
 Read and write speed is fast.
 Fault tolerance is available.

S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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