User`s guide

4 – QLA2342/2342L
FCode
FC2354601-00 J 4-9
Q
4.3.4
Setting and Viewing the Fibre Channel Data Rate
Use the show-data-rate command to view the current QLA2342/2342L Fibre
Channel data rate. For example:
1. Select the QLA2342/2342L HBA attached to the Fibre Channel device from
which you want to boot. For example, type the following at the ok prompt:
ok " /pci@1f,0/pci@1/QLGC,qla@4" select-dev
2. Type the following:
ok show-data-rate
3. The current data rate displays. For example:
Current HBA data rate: One Gigabit rate
Use the set-data-rate command to change the current QLA2342/2342L Fibre
Channel data rate. For example:
ok 1 set-data-rate
Calculating NVRAM checksum, please wait...
Current HBA data rate: Two Gigabit rate
Table 4-1 lists the values to enter and their corresponding data rates. QLogic
recommends the Auto-negotiated rate (2), which works for most devices.
4.3.5
Selecting the Boot Device
Perform the following steps to select a Fibre Channel device that is attached to the
QLA2342/2342L HBA as the boot device:
1. Use the show-devs command to display the device tree for all devices attached
to the machine.
ok show-devs
The device tree displays. The QLA2342/2342L HBAs with FCode are
referenced with
QLGC,qla@
. For example:
ok show-devs
.
.
/pci@1f,0/pci@1/QLGC,qla@4 (first channel)
/pci@1f,0/pci@1/QLGC,qla@4,1 (second channel)
Table 4-1. Fibre Channel Data Rates
Value Data Rate
0 One gigabit
1 Two gigabits
2 Auto-negotiated rate