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Chapter 1: overview, 1 driver description, 1 driver functions – Avago Technologies MegaRAID SAS 9240-4i User Manual

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LSI Corporation

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MegaRAID SAS Device Driver Installation User Guide

June 2014

Overview

Driver Description

Chapter 1: Overview

This chapter provides an overview of the operating system (OS) drivers for the MegaRAID® SAS RAID controllers.

Subsequent chapters provide installation instructions for the OSs. Use the latest updates provided by the OS
manufacturer, and review the readme file that accompanies the driver for any updated information. You can
download the latest drivers for the various OSs from the LSI website at

http://www.lsi.com/support/Pages/download-search.aspx

.

NOTE

The MegaRAID RAID controllers do not all support the same OSs.

Refer to the documentation for your MegaRAID controller for
information about the OSs that the controller supports. You can search
archived versions of this guide on the LSI website for information
about OSs that are supported for earlier controllers.

1.1

Driver Description

You can install the MegaRAID SAS Controller in any IBM® AT-compatible computer that has a PCI Express® (PCIe®) local
bus. The RAID controller can run under various OSs.

To use the controller with these OSs, you must install software drivers. LSI provides software drivers for the
following OSs:

Microsoft® Windows®

Red Hat® Linux®

SuSE® Linux Enterprise Server (SLES®)

Ubuntu® Linux

FreeBSD®

VMware®

Solaris®

XenServer®

Debian®

Fedora®

CentOS®

Oracle® Enterprise Linux (OEL)

Fedora®

Oracle® Virtual Machine (OVM)

1.1.1

Driver Functions

MegaRAID provides drivers for the MegaRAID SAS RAID controllers, which bring up to 12 Gb/s Serial Attached SCSI
performance and 6.0 Gb/s SATA III performance to host adapter, workstation, and server designs. The controllers
support internal and external storage devices, which let you use a system that supports enterprise-class SAS and
desktop-class SATA III drives.

The SAS controllers integrate eight high-performance SAS/SATA III PHYs and a PCI Express bus master DMA core. Each
of the eight PHYs is capable of 6.0 Gb/s SAS link rates, and 6.0 Gb/s SATA III link rates.