Smart Array 5300 Controller User Guide

Contents
vi Compaq Smart Array 5300 Controller User Guide
COMPAQ CONFIDENTIAL
Writer: John Turner File Name: a-frnt.doc
Codename: SilverHammer Part Number: 135606-004 Last Saved On: 5/23/02 12:42 PM
Appendix B
Electrostatic Discharge
Appendix C
Controller Specifications
Appendix D
Drive Arrays and Fault Tolerance
What Is a Drive Array? ...................................................................................................D-1
Fault-Tolerance Methods ................................................................................................D-5
RAID 0—No Fault Tolerance ..................................................................................D-5
RAID 1+0—Drive Mirroring ...................................................................................D-6
RAID 5—Distributed Data Guarding.......................................................................D-7
RAID ADG—Advanced Data Guarding ..................................................................D-9
Other Fault-Tolerance Options...............................................................................D-11
Appendix E
Hard Drive Installation and Replacement
General Information About Hard Drive Failure.............................................................. E-1
Recognizing Drive Failure........................................................................................ E-2
Compromised Fault Tolerance ................................................................................. E-4
Automatic Data Recovery......................................................................................... E-5
General Aspects of Drive Replacement .......................................................................... E-6
Drive Failure During Rebuild................................................................................... E-7
Moving Drives and Arrays.............................................................................................. E-9
Upgrading Hard Drive Capacity............................................................................. E-10
Expanding and Extending Capacity........................................................................ E-11