HP STORAGEWORKS e1200-160 User Manual download pdf (Page 103)

Serial/Telnet User Interface

103Network Storage Router e1200-160

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.

Caution: If these configuration settings are incorrectly set, processing

difficulties may occur. Before changing these settings, 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 these

settings.

— Manual Discovery Only (default) sets discovery of new devices to only

occur after the user selects the Refresh Device Display option. The

Refresh Device Display option is accessed from the System Utilities

Menu.

■ 6) Toggle Buffered Tape Writes (default: Enabled) changes the tape backup

mode to either Enabled or Disabled.

■ 7) Change Buffered Tape Queue Depth changes the tape backup queue

depth. Select a value from 0 through 10.

■ 8) Toggle Port Mode (default: N_Port) changes the port mode to either Auto

Sense or N_Port:

— Auto Sense: In this mode, the Fibre Channel port tries to negotiate as a

loop. If it is not successful, then the Fibre Channel port negotiates as a

fabric. If the port comes up as a loop, it then determines whether it is on a

private or public loop.

— N_Port (default): This mode allows the router to bypass the loop

negotiation and come up as a fabric only. Use this setting if a HP switch is

being used. If the router is on a loop and N_Port mode is selected, an error

in communication may occur.

■ 9) Change Default Map Value (default: Indexed) changes and displays the

default current map for the port.

Mapping modes can be Auto-Assigned, Indexed (default), or SCC.

For more information about addressing methods, see Appendix C,

"Addressing Methods and Table Structures."

■ A) Edit FC Override Settings (service mode-restricted access) enters Fibre

Channel override settings.

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HP STORAGEWORKS e1200-160 User Manual Page 103