User's Manual

Probability of Logical Drive Failure
F-2 HP Smart Array 641/642 Controller User Guide
HP CONFIDENTIAL
Writer: John Turner File Name: n-appf probability of logical drive failure
Codename: darkmatter - antimatter Part Number: 309311-001 Last Saved On: 10/7/02 4:30 PM
Figure F-1: Relative probability of logical drive failure
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