User guide

About This Guide vii
Appendix B
Electrostatic Discharge
Preventing Electrostatic Damage.............................................................................B-1
Grounding Methods.................................................................................................B-2
Appendix C
Specifications
Appendix D
Understanding Drive Arrays
What is a Drive Array?............................................................................................D-1
Drive Arrays.....................................................................................................D-4
Logical Drives ..................................................................................................D-4
Drive Array Benefits................................................................................................D-5
Data Protection.................................................................................................D-5
Performance Enhancement ....................................................................................D-10
Distributing Data and Data Striping ...............................................................D-10
Concurrent I/O Request Servicing..................................................................D-11
Optimized Request Management....................................................................D-11
Bus Master Data Transfers .............................................................................D-12
Adding Storage Capacity.......................................................................................D-12
Online Capacity Expansion or Extension.......................................................D-15
Disk Drive Capacity Upgrades .......................................................................D-15
Data Reliability......................................................................................................D-16
Auto Reliability Monitoring...........................................................................D-16
Dynamic Sector Repairing..............................................................................D-16
Drive Parameter Tracking...............................................................................D-17
Drive Failure Alert Features...........................................................................D-17
Interim Data Recovery....................................................................................D-17
Automatic Data Recovery...............................................................................D-18
Hot-Pluggable Drives .....................................................................................D-18
Controller Duplexing......................................................................................D-21
Software-Based Drive Mirroring....................................................................D-21
Appendix E
Upgrading from a Compaq Single Channel Array Controller