4.7.8Manual Selection of FC Topology

Under certain configurations, you may want to force the selection of FC topology and disable the auto detect mechanism in the FC adapter. This can be done on a port-by-port basis by using the following procedure.

Note: It should not be necessary to change from automatic detection of topology. Also, firmware version 1.00.03 is the earliest version to support this functionality.

The following is an example of how to select a manual topology N_Port or NL_Port on a selected FC port.

Select the controller you want to modify, as follows:

ok show-disks

a)/pci@1f,0/pci@1/IntraServer,fc@2/disk

b)/pci@1f,0/pci@1/IntraServer,Ultra2-scsi@1/disk

c)/pci@1f,0/pci@1,1/ide@3/cdrom

d)/pci@1f,0/pci@1,1/ide@3/disk

e)/pci@1f,0/pci@1,1/ebus@1/fdthree@14,3203f0

q) NO SELECTION

Enter Selection, q to quit: a /pci@1f,0/pci@1/IntraServer,fc@2/disk has been selected.

Type ^Y ( Control-Y ) to insert it in the command line. e.g. ok nvalias mydev ^Y for creating devalias mydev for /pci@1f,0/pci@1/IntraServer,fc@2/disk

ok select /pci@1f,0/pci@1/IntraServer,fc@2

Then enter commands as shown in the following example:

ok show-topology

Topology selected is auto

Current topology is unknown (no link)

ok set-topology <-Command with no options provides help

usage is <topology> set-topology

topology = 1

NL_Port

topology = 2

N_Port

topology = a

auto

OpenBoot BIOS

4-17

Copyright © 2002 - 2005 by LSI Logic Corporation. All rights reserved.