HP StorageWorks 4100 Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 31

Fibre Channel Fault Isolation Utility, Installing the Utility, Running the Utility

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2 Chapter Fibre Channel Fault Isolation Utility The Fibre Channel Fault Isolation Utility (FFIU) verifies the integrity of a new or existing FCAL installation. When used with troubleshooting flow charts, this utility provides fault detection and help in locating a failing device on the FC-AL. Each device on the FC-AL has an Arbitrated Loop Physical Address (ALPA). The ALPA is allocated dynamicallyit can change with each power-up or as new devices are added to the loop. The fault isolation utility indicates all devices that are active on the FC-AL. The utility dynamically updates the screens to show the current ALPA of each component. Additionally, a Loop Error Histogram is displayed when specific servers or components are highlighted to further analyze the health of individual components. The utility analyzes Fibre Channel components including the Host Bus Adapter and the Fibre Channel Tape Controller. The Fibre Channel Storage Hub 12 is logically transparent to the operations of the FC-AL, but even a failed Storage Hub 12 can be detected when the Fault Isolation Utility is used in combination with the Troubleshooting Flow Charts. Installing the Utility The latest files for the Fibre Channel Fault Isolation Utility, as well as information about installing the utility, are located on the Compaq SmartStart and Support Software CD. Running the Utility To run the Fibre Channel Fault Isolation Utility: 1. Insert the SmartStart and Support Software CD in the CD-ROM drive. 2. Select Run Fibre Channel Interconnect Diagnostics. 3. Select Next. The Windows-based utility will load automatically.

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Chapter
2
Fibre Channel Fault Isolation Utility
The Fibre Channel Fault Isolation Utility (FFIU) verifies the integrity of a new or existing FC-
AL installation. When used with troubleshooting flow charts, this utility provides fault detection
and help in locating a failing device on the FC-AL.
Each device on the FC-AL has an Arbitrated Loop Physical Address (ALPA). The ALPA is
allocated dynamically
it can change with each power-up or as new devices are added to the
loop. The fault isolation utility indicates all devices that are active on the FC-AL. The utility
dynamically updates the screens to show the current ALPA of each component. Additionally, a
Loop Error Histogram is displayed when specific servers or components are highlighted to
further analyze the health of individual components. The utility analyzes Fibre Channel
components including the Host Bus Adapter and the Fibre Channel Tape Controller. The Fibre
Channel Storage Hub 12 is logically transparent to the operations of the FC-AL, but even a
failed Storage Hub 12 can be detected when the Fault Isolation Utility is used in combination
with the Troubleshooting Flow Charts.
Installing the Utility
The latest files for the Fibre Channel Fault Isolation Utility, as well as information about
installing the utility, are located on the Compaq SmartStart and Support Software CD.
Running the Utility
To run the Fibre Channel Fault Isolation Utility:
1.
Insert the SmartStart and Support Software CD in the CD-ROM drive.
2.
Select
Run Fibre Channel Interconnect Diagnostics
.
3.
Select
Next
. The Windows-based utility will load automatically.