Smart Array 5i Plus Controller and Battery Backed Write Cache Enabler User Guide

Contents
vi Compaq Smart Array 5i Plus Controller and Battery Backed Write Cache Enabler
COMPAQ CONFIDENTIAL
Writer: Amy Laffitte File Name: a-frnt
Codename: Executor Part Number: 266328-001 Last Saved On: 2/4/02 3:31 PM
Appendix B
Electrostatic Discharge
Grounding Methods ........................................................................................................B-2
Appendix C
Drive Arrays and Fault Tolerance
What Is a Drive Array? ...................................................................................................C-1
Fault-Tolerance Methods ................................................................................................C-5
RAID 0—No Fault Tolerance ..................................................................................C-5
RAID 1+0—Drive Mirroring ...................................................................................C-6
RAID 5—Distributed Data Guarding.......................................................................C-8
Other Fault-Tolerance Options...............................................................................C-11
Appendix D
Hard Drive Installation and Replacement
General Information About Hard Drive Failure..............................................................D-1
Recognizing Drive Failure........................................................................................D-2
Compromised Fault Tolerance .................................................................................D-5
Automatic Data Recovery.........................................................................................D-6
General Aspects of Drive Replacement ..........................................................................D-7
Drive Failure During Rebuild...................................................................................D-8
Moving Drives and Arrays..............................................................................................D-9
Upgrading Disk Drive Capacity .............................................................................D-11
Expanding and Extending Capacity........................................................................D-11
Appendix E
Probability of Logical Drive Failure
Appendix F
POST Error Messages
Appendix G
Questions and Answers
Glossary
Index