User guide

Text Conventions.........................................................................................................ix
Symbols in Text............................................................................................................x
Symbols on Equipment.................................................................................................x
Rack Stability...............................................................................................................xi
Getting Help.................................................................................................................xi
Compaq Technical Support ..................................................................................xi
Compaq Website..................................................................................................xii
Compaq Authorized Reseller ..............................................................................xii
Chapter 1
Features..................................................................................................................... 1-3
Front Panel Features ................................................................................................. 1-4
Rear Panel Features .................................................................................................. 1-5
Hot-Pluggability........................................................................................................ 1-6
Hot-Pluggable Drives ............................................................................................... 1-7
Maximum Storage..................................................................................................... 1-7
SCSI ID Assignments............................................................................................... 1-8
Compaq StorageWorks RA4000 Controller............................................................. 1-9
Features.............................................................................................................. 1-9
Hard Drive Arrays ........................................................................................... 1-10
Fault Tolerance................................................................................................ 1-10
Capacity Expansion......................................................................................... 1-11
Array Accelerator ............................................................................................ 1-11
Performance Monitoring ................................................................................. 1-12
Automatic Performance Tuning ...................................................................... 1-12
Tagged-Command Queuing ............................................................................ 1-13
System Power .................................................................................................. 1-13
Redundant Power Supply Option ........................................................................... 1-13