Fujitsu ETERNUS DX Disk Configuratiehandleiding - Pagina 17

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Fujitsu ETERNUS DX Disk Configuratiehandleiding

Chapter 2

Setup Procedure for QLogic Converged Network Adapter Cards

2.4

Setting Up the Driver Parameters

*1: Recommended value = 1024 ¸ (number of FCoE ports that are connected to a single CA port) ¸ num-

ber of LUNs

(Round the result down)

Use the value of "8" if the actual result is lower. Use the maximum value if the actual result exceeds

the maximum value for the driver.

To achieve maximum system performance, this value can be changed according to the server load

and the peak operating times.

The number of simultaneous command executions per CA port for the ETERNUS DX is limited to

1024. This value is used by multiple servers that share the CA port. A maximum of 1024 commands

can be executed per CA port.

Some driver versions do not support the "ql2xfailover" and "ql2xtgtemul" driver parameters.

Use the "modinfo qla2xxx" command to check whether the "ql2xfailover" and "ql2xtgtemul" driver pa-

rameters are supported. Do not specify the "ql2xfailover" and "ql2xtgtemul" parameters if they are not

supported.

●

When the ETERNUS Multipath Driver is used

Setting driver parameters is not required.

When Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 6, or Red Hat Enterprise Linux 5 is used, com-

ment out the following two lines if they appear in the configuration file.

install qla2xxx /sbin/modprobe qla2xxx_conf; /sbin/modprobe --ignore-install qla2xxx

remove qla2xxx /sbin/modprobe -r --first-time --ignore-remove qla2xxx && { /sbin/modprobe -r

--ignore-remove qla2xxx_conf; }

Example:

•

(Before)

alias eth0 tg3

alias eth1 tg3

alias scsi_hostadapter megaraid_mbox

alias scsi_hostadapter1 ata_piix

install qla2xxx /sbin/modprobe qla2xxx_conf; /sbin/modprobe --ignore-install qla2xxx

remove qla2xxx /sbin/modprobe -r --first-time --ignore-remove qla2xxx && { /sbin/modprobe -r --ignore-r

emove qla2xxx_conf; }

alias qla2100 qla2xxx

alias qla2200 qla2xxx

alias qla2300 qla2xxx

alias qla2322 qla2xxx

alias qla2400 qla2xxx

# options qla2xxx for MPD (Do not edit this line)

options qla2xxx ql2xfailover=0 ConfigRequired=0 ql2xmaxqdepth=8

alias scsi_hostadapter2 qla2xxx_conf

alias scsi_hostadapter3 qla2xxx

alias scsi_hostadapter4 mpdh

Add "#" to the beginning of the following lines to comment them out.

install qla2xxx /sbin/modprobe qla2xxx_conf; /sbin/modprobe --ignore-install qla2xxx

remove qla2xxx /sbin/modprobe -r --first-time --ignore-remove qla2xxx && { /sbin/modprobe -

r --ignore-remove qla2xxx_conf; }

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (FCoE) for Linux

ql2xtgtemul=1

P3AM-6402-11ENZ0