HP Compaq Integrated Smart Array Controller - Manual (Page 6)

vi Compaq Integrated Smart Array Controller User Guide
Compaq Confidential – Need to Know Required
Writer: Cynthia Dresden Project: Compaq Integrated Smart Array Controller User Guide Comments:
Part Number: 153236-001 File Name: a-frnt.doc Last Saved On: 8/27/99 11:42 AM
Compaq Array Configuration Utility
continued
Configuration Wizards ........................................................................................ 6-4
Online Help......................................................................................................... 6-4
Array Configuration Utility Screens..................................................................... 6-5
Main Configuration Screen ........................................................................... 6-5
Novell NetWare Online Array Configuration Utility ................................... 6-14
Drive Rebuild, Expand Priority and Accelerator Ratio................................. 6-17
Configuration Procedures .................................................................................. 6-22
Creating a New Array ................................................................................. 6-22
Choosing a Controller for the Array ............................................................ 6-23
Grouping Physical Drives of the Same Size into an Array ........................... 6-24
Creating Logical Drives Across Physical Drives.......................................... 6-27
Expanding Capacity.................................................................................... 6-29
Capacity Extension ..................................................................................... 6-32
Online Migration ........................................................................................ 6-34
Errors and Warnings.......................................................................................... 6-36
Appendix A
Electrostatic Discharge
Preventing Electrostatic Damage ........................................................................ A-1
Grounding Methods............................................................................................ A-2
Appendix B
Understanding Drive Arrays
What is a Drive Array? ........................................................................................B-1
Drive Arrays.................................................................................................B-4
Logical Drives..............................................................................................B-4
Drive Array Benefits ...........................................................................................B-5
Data Protection.............................................................................................B-5
Performance Enhancement..........................................................................B-10
Adding Storage Capacity ............................................................................B-13
Online Capacity Expansion or Extension.....................................................B-15
Data Reliability ..........................................................................................B-16
Software-Based Drive Mirroring........................................................................B-20
Recovering from Drive Failure ..........................................................................B-20
Recognizing a Drive Failure ..............................................................................B-21
Fault Tolerance and Drive Failure......................................................................B-22
A RAID 0 (Non-Fault-Tolerant) Logical Drive ...........................................B-22
A RAID 1 (Mirroring) Logical Drive ..........................................................B-22
A RAID 5 (Distributed Data Guarding) Logical Drive.................................B-23
Spare Drives...............................................................................................B-23