HP Smart Array 5300 Controller User Guide

Probability of Logical Drive Failure
F-2 HP Smart Array 5300 Controller User Guide
HP CONFIDENTIAL
Writer: Kimberly Koch File Name: o-appf probability of logical drive failure.doc
Codename: SilverHammer Part Number: 135606-006 Last Saved On: 3/13/03 2:03 PM
1 6 11 16 21 26 31 36 41 46 51 56
Total number of physical drives in array
Increasing likelihood of logical drive failure > > >
RAID 0
RAID 5
RAID 1+0
RAID ADG
Figure F-1: Relative probability of logical drive failure