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Appendix b, Appendix c, Appendix d – Compaq 3200 User Manual

Page 7: Appendix e

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Compaq Smart Array 3200 Controller Reference Guide

Writer: Rickard Project: Compaq Smart Array 3200 Controller Reference Guide Comments: 340862-002

File Name: A-FRNT.DOC Last Saved On: 12/7/98 1:56 PM

COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED

Appendix B

Electrostatic Discharge

Preventing Electrostatic Damage............................................................................................. B-1
Grounding Methods................................................................................................................. B-2

Appendix C

Specifications

Wide SCSI Connector Pin Assignments.................................................................................. C-2

Appendix D

Things You Should Know

Smart Array 3200 Controller Option Kit Contents ..................................................................D-2
SCSI Termination ....................................................................................................................D-3
SCSI IDs....................................................................................................................... ...........D-3
SCSI Cabling ................................................................................................................... ........D-4
SCSI Cable Connectors ...........................................................................................................D-5
Migrating to/from Other Controllers .......................................................................................D-6

Appendix E

Understanding Drive Arrays

What is a Drive Array? ............................................................................................................ E-1

Drive Arrays................................................................................................................... .. E-3
Logical Drives .................................................................................................................. E-4

Drive Array Benefits ............................................................................................................... E-5

Data Protection ................................................................................................................. E-5

Performance Enhancement .................................................................................................... E-11

Distributing Data and Data Striping ............................................................................... E-11
User Selectable Stripe-Size ............................................................................................ E-13
Array Accelerator ........................................................................................................... E-14
Concurrent I/O Request Servicing.................................................................................. E-17
Optimized Request Management.................................................................................... E-17
Bus Master Data Transfers ............................................................................................. E-18

Adding Storage Capacity....................................................................................................... E-18

Online Capacity Expansion or Extension ....................................................................... E-21
Disk Drive Upgrades ...................................................................................................... E-21