RAID Penalty

Each disk provide a certain amount of IO based off of the

• Rotational Speed
• Average Latency
• Average Seek Time(*)

Read Operation: NO Penalty

Write Operation:

RAID    Write Penalty

0            1(NO Penalty)

1            2

5            4(2R, 2W)

6            6(3R, 3W)

10          2

Reference: http://theithollow.com/2012/03/21/understanding-raid-penalty/