HP VMA-series Memory Arrays Manual do Utilizador descarregar pdf (Página 120)

Chapter 7 - Linux Drivers

120

VMA-series Memory Array Installation and Service Guide

HP-AM456-9002A Rev 01

If a kernel was custom built from http://kernel.org/ sources, the kernel

build tree must be available for the Linux driver to reference.

GCC Compiler

The GCC Compiler compiles the Linux kernel and modules. The GCC Compiler

version should match the version that was used to build the running kernel.

Libaio Development Package

The Libaio Development Package is an asynchronous I/O development package

for applications that use

libaio.so.

The

perf_test benchmark utility (included among the Violin Utilities) uses the

asynchronous I/O features to provide high performance asynchronous I/O

benchmarking. For more information on the

perf_test utility and

asynchronous I/O testing, see Network-Layer Performance Testing on page

172.

Install both the

libaio and libaio-devel packages before installing the Violin

Utilities. The following example installs the required packages on a CentOS 5.5

x86_64 system. At the root prompt, type:

Installing Linux Drivers

The second step towards configuring a direct-attached Memory Array system

with a Linux host is to install the Linux driver.

The Linux driver enables a direct-attached PCIe connection between the Memory

Array and the Linux host machine.

In the course of installing the Linux driver, you must decide whether the Linux

driver is to be loaded manually or loaded automatically as a module when the

host boots up.

This section describes the installation and removal of the Linux drivers:

• Installing Linux Drivers on page 121

• Removing the Linux Drivers on page 125

# yum install gcc kernel-devel-`uname -r`.x86_64 libaio-

devel

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HP VMA-series Memory Arrays Manual do Utilizador Página 120