HP SN1000E Guía de instalación descargar pdf (Pagina 23)

A Additional instructions for HBAs on servers running RHEL

5.2, RHEL 4.x, or earlier

Before installing the driver kit, verify that the gcc compiler and the kernel sources, or the kernel

development package is installed on the system.

There are three modes in which to install the driver kit:

• Default mode

• Single-path mode

• Failover (multi-path) mode

Default mode

If you do not specify a mode and an Emulex driver is already loaded in memory, the script uses

the currently loaded configuration. Otherwise, the driver defaults to failover (multi-path) mode.

Single-path mode

When the driver is operating in single-path mode, all paths to the LUNs appear as separate device

files.

For example: /dev/sdX

Failover mode

Failover mode provides multi-path redundancy.

Installing the Linux driver kit

1. Uncompress and untar the downloaded driver kit using the following command:

# tar zxvf hp_lpfc-yyyy-mm-dd.tar.gz

2. Browse to the hp_lpfc-yyyy-mm-dd directory.

3. Execute the INSTALL command.

The INSTALL command syntax varies depending on your configuration. If a previous driver

kit is installed, you can invoke the INSTALL command without any arguments and the script

will use the currently loaded configuration:

# ./INSTALL

To force the installation to failover (multi-path) mode, use the -m ag:

# ./INSTALL -m

To force the installation to single-path mode, use the -s ag:

# ./INSTALL -s

Use the -h option of the INSTALL script for a list of all supported arguments. The INSTALL

script installs the appropriate driver RPM for your configuration, as well as the appropriate

breutils RPM.

4. When the INSTALL script completes, you must enter the # reboot command to reboot your

server.

Removing the HBA Emulex driver, MultiPulse, and HBAnyware

To remove the drivers and software that were installed with the Linux driver kit:

1. From the directory where the HP Emulex driver kit is located on your hard disk, enter the

following command:

# cd KIT_NAME date

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HP SN1000E Guía de instalación Pagina 23