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100 Network Storage Router N1200 User Guide
Caution: If this configuration setting is incorrectly set, processing difficulties
may occur. Before changing this setting, evaluate the need for the change and
verify the desired setting. HP recommends backing up the router configuration
to an external file before making changes to this setting.
■ 3) Toggle Hard AL_PA Usage changes the Hard AL_PA usage to either Ye s
or No.
— If set to Yes , a unique one-byte valid value (derived from an Arbitrated
Loop Topology as defined in ANSI specification FC_AL version 4.5) is
used for the Fibre Channel configuration.
— When configuring the Fibre Channel AL_PA, the router presents a list of
loop addresses along with the corresponding AL_PA. The user can select
a loop address.
■ 4) Change AL_PA Value changes the AL_PA value.
— The AL_PA lookup table is displayed. Enter a node number from the
table.
■ 5) Toggle Discovery Mode (default: manual discovery on reboot events)
determines how the router will discover new Fibre Channel devices.
Options include:
— Auto Discovery on Reboot Events allows the router to automatically
discover all Fibre Channel devices during reboots, including both the
ports and the devices.
— Auto Discovery on Link-up Events allows the router to automatically
discover all Fibre Channel devices during reboots, including both the
ports and the devices for the first link-up event. Subsequent link-up events
will only discover the ports and not attached devices.
Note: SCSI devices attached to a Fibre Channel port must be mapped as sequential
Fibre Channel LUNs starting at LUN number 00. Skipping LUN numbers is not
recommended when mapping Fibre Channel LUNs because Fibre Channel Discovery
stops the discovery process whenever an empty LUN position is found.