Compaq StorageWorks Fibre Channel Troubleshooting Guide

1-2 Compaq StorageWorks Fibre Channel Troubleshooting Guide
Fibre Channel Arbitrated Loop Components in a
Primary Storage System
NOTE: Although RA4000(s) are illustrated throughout this guide, features also apply to RA4100(s).
A typical Fibre Channel Arbitrated Loop for a primary storage system consists of the following:
■ One to eight Fibre Channel Host Bus Adapters (PCI) per server
■ At least one Storage Hub 7 or Storage Hub 12
■ At least one Compaq RA4000 consisting of at least one RA4000 Controller and several
hot-pluggable SCSI hard drives
■ Two longwave or shortwave GigaBit Interface Converter (GBIC) modules per Fibre
Channel cable link
■ Multi-mode or single mode Fibre Channel cables. One cable is connected between the
Storage Hub 7 or Storage Hub 12 and each component on the FC-AL.
Server
Fibre Array
Rack-Mountable
Fibre Array
(Tower)
Fibre Channel
Storage Hub 7
Gigabit Interface
Converter
Figure 1-1. Compaq Fibre Channel Primary Storage System with RA4000(s)