On RHEL Advanced Server (AS) 3 Update 3, RHEL AS 4 Update 1, and SLES 9, for Qlogic driver versions earlier than Version 8.00.02b1, the Qlogic Fibre Channel Host Bus Adapters (HBAs) are not visible when they are not connected to an active link.
To solve this problem, upgrade to Qlogic driver Version 8.00.02b1 or higher. Details regarding the upgrade of these drivers are contained in Chapter 3 of the HP Integrity Essentials Foundation Pack for Linux User's Guide found at:
http://www.docs.hp.com/en/5991-7635/index.html
Additional information regarding Fibre Channel HBAs can be found at the HP SAN Infrastructure Web site at:
http://h18006.www1.hp.com/storage/saninfrastructure/index.html
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