Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide

iv Compaq Parallel Database Cluster Model PDC/02000 for Oracle8i and Windows 2000 Administrator Guide
Compaq Confidential – Need to Know Required
Writer: John Blackburn Project: Parallel Database Cluster Model PDC/02000 for Oracle8i and Windows 2000 Comments:
Part Number: 225082-002 File Name: a-frnt.doc Last Saved On: 6/13/01 3:47 PM
Chapter 2
Cluster Architecture
Compaq ProLiant Servers ........................................................................................ 2-2
High-Availability Features of ProLiant Servers ............................................... 2-3
Shared Storage Components .................................................................................... 2-3
RA4000 Array................................................................................................... 2-4
RA4100 Array................................................................................................... 2-4
RA4000 Array Controllers................................................................................ 2-5
Fibre Channel SAN Switches ........................................................................... 2-6
FC-AL Switches ............................................................................................... 2-7
Storage Hubs..................................................................................................... 2-7
Fibre Host Adapters.......................................................................................... 2-8
Gigabit Interface Converter-Shortwave Modules ............................................. 2-8
Fibre Channel Cables........................................................................................ 2-9
I/O Path Configurations for Redundant Fibre Channel Fabrics ............................... 2-9
Overview of Fibre Channel Fabric SAN Topology .......................................... 2-9
Redundant Fibre Channel Fabrics..................................................................... 2-9
Multiple Redundant Fibre Channel Fabrics .................................................... 2-11
Maximum Distances Between Nodes and Shared Storage Components
in a Redundant Fibre Channel Fabric ............................................................. 2-13
I/O Data Paths in a Redundant Fibre Channel Fabric ..................................... 2-14
I/O Path Configuration Guidelines for Redundant Fibre Channel Fabrics............. 2-15
I/O Path Configuration Rules for Redundant Fibre Channel Fabrics.............. 2-19
Active/Standby Configuration Examples for Redundant Fibre Channel
Fabrics............................................................................................................. 2-20
Active/Active Configuration Examples for Redundant Fibre Channel
Fabrics............................................................................................................. 2-27
Summary of I/O Path Failure and Failover Scenarios for Redundant Fibre
Channel Fabrics .............................................................................................. 2-33
I/O Path Configurations for Redundant Fibre Channel Arbitrated Loops.............. 2-39
Overview of FC-AL SAN Topology .............................................................. 2-39
Redundant Fibre Channel Arbitrated Loops ................................................... 2-40
Multiple Redundant Fibre Channel Arbitrated Loops..................................... 2-42
Maximum Distances Between Nodes and Shared Storage Components in a
Redundant FC-AL........................................................................................... 2-44
I/O Data Paths in a Redundant FC-AL ........................................................... 2-45
I/O Path Configuration Guidelines for Redundant Fibre Channel Arbitrated
Loops ..................................................................................................................... 2-47
I/O Path Configuration Rules for Redundant FC-ALs.................................... 2-50
Active/Standby Configuration Examples for Redundant FC-ALs.................. 2-51
Active/Active Configuration Examples for Redundant FC-ALs .................... 2-58
Summary of I/O Path Failure and Failover Scenarios for Redundant
FC-ALs ........................................................................................................... 2-64