8 Configuring FCoE in a

Linux Environment

Overview

The QLogic 8100 Series Converged Network Adapter is dual-function adapter comprising FCoE and NIC functions. This section describes the characteristics, configurations and features of the QLogic 8100 Series Adapter FCoE function for Linux.

FCoE Driver Parameters for Linux

Table 8-1lists the FCoE driver parameters for Linux, their default values, allowed values, and configuration methods. For information about changing parameter values, refer to the FCoE topics in the QConvergeConsole Help or the Fast!UTIL configuration options described in “Fast!UTIL” on page 9-2.

Table 8-1. FCoE Driver Parameters for Linux

Parameter

Description

Default

 

Range

Configuration

 

Method

 

 

 

 

 

 

 

 

 

 

ql2xlogintimeout

Login timeout value in seconds

20

1–120 sec-

modprobe,

 

during the initial login.

 

onds

sysfs

 

 

 

 

 

qlport_down_retry

Time to wait for a port that

30

1–60 seconds

modprobe,

 

returns a PORT-DOWN status

 

 

 

sysfs

 

before returning I/O back to

 

 

 

 

 

the operating system.

 

 

 

 

 

 

 

 

 

 

ql2xplogiabsentdevice

Enables or disables PLOGI to

0

0

—Disable

modprobe,

 

devices that are not present

 

1

—Enable

sysfs

 

after a fabric scan.

 

 

 

 

 

 

 

 

 

 

 

 

ql2xloginretrycount

Alternate value for the NVRAM

8

1–16

modprobe,

 

login retry count.

 

 

 

sysfs

 

 

 

 

 

 

ql2xallocfwdump

Enables or disables memory

1

0

—Disable

modprobe,

 

allocation for a firmware dump

 

1

—Enable

sysfs

 

during adapter initialization.

 

 

 

 

 

 

 

 

 

 

 

 

 

FE0254601-00 A

8-1

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Q-Logic 8100 SERIES manual FCoE Driver Parameters for Linux