
Appendix A. Consoles, SMS, and Open Firmware 511
8 = Open Firmware Prompt 6 = Stored Boot List
Memory Keyboard Network SCSI Speaker ok
After entering the Open Firmware prompt, you see the command prompt shown
in Example A-4.
Example: A-4 Open Firmware command prompt
0 >
Boot settings are stored in the NVRAM of the system. The Open Firmware allows
you to verify them with the printenv command. The command accepts an
optional variable name to display only the content of the given variable. To
display your boot device you may use the command printenv boot-device as
shown in Example A-5. You see a iSCSI boot device entry.
ciaddr iSCSI initiator IP address
giaddr Gateway IP address
subnet-mask Subnet mask of the initiator IP address
itname IQN from the initiator
iport iSCSI port
ilun LUN to boot from on the iSCSI target
iname IQN of the iSCSI target device
siaddr iSCSI target portal IP address
Example: A-5 printenv boot-device output with iSCSI boot device
0 > printenv boot-device
-------------- Partition: common -------- Signature: 0x70 ---------------
boot-device
/pci@800000020000203/iscsi-toe@1,1:iscsi,ciaddr=172.16.1.44,giaddr=172.16.1.1,subn
et-mask=255.255.255.0,itname=iqn.2008-06.com.ibm.blade5port1,iport=3260,ilun=0,ina
me=iqn.2008-06.com.ibm:storage1.disk1,siaddr=172.16.1.195,2
ok
0 >
The show-devs command is used to display all devices in a device path known by
the system firmware. A part of the device path might be given as parameter to
show only child devices from this device path. Without a given device path the
command will return a listing of all known devices. To figure out the device path of
the fibre channel host bus adapter the full device tree is required. Enter the
Note: You may leave the System Maintenance Services Menu from the main
menu with 0 to the Open Firmware prompt.
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