1.5.1PCI Express Architecture

PCI Express is a local bus system designed to increase data transfers without slowing down the central processing unit (CPU). You can install MegaRAID PCI Express storage adapters in PCI Express computer systems with a standard bracket type. With these adapters in your system, you can connect SCSI and SATA II devices over the bus.

PCI Express goes beyond the PCI specification in that it is intended as a unifying I/O architecture for various systems: desktops, workstations, mobile, server, communications, and embedded devices.

1.5.2Operating System Support

The MegaRAID 8480 Storage Adapter supports the following operating systems:

Windows (2000 and Server 2003)

Red Hat Linux

SUSE Linux

The MegaRAID 8480 Storage Adapter uses Fusion-MPT™ architecture for all major operating systems, thinner drivers, and better performance.

1.6Summary of MegaRAID 8480 RAID Controller Characteristics

This section provides a summary of the features and benefits of the MegaRAID 8480 RAID controller. It contains information on SAS features, SATA II features, PCI performance, integration, usability, and flexibility.

The MegaRAID 8480 Storage Adapter includes the following features:

PCI Express x8 lane width (with support for downshifting for motherboards with x1 and x4 connections)

PCI Express performance up to 2.5 Gbits/s per lane

Support for a 256 Mbyte DDR2 400 MHz on-board SDRAM with LSIiTBBU02 intelligible transportable battery backup

1-8Overview

Copyright © 2006-2007 by LSI Corporation. All rights reserved.

Page 22
Image 22
IBM manual Summary of MegaRAID 8480 RAID Controller Characteristics, PCI Express Architecture, Operating System Support

MegaRAID 8480 specifications

The IBM MegaRAID 8480 is a high-performance RAID (Redundant Array of Independent Disks) controller designed for enterprise-class storage environments. It delivers advanced data protection, high availability, and exceptional scalability, making it an ideal choice for businesses that require robust data management solutions.

One of the main features of the IBM MegaRAID 8480 is its support for both SAS (Serial Attached SCSI) and SATA (Serial ATA) drives, providing flexibility in storage configurations. This controller supports up to 128 devices, allowing organizations to build large, efficient storage arrays that can accommodate extensive data needs.

The MegaRAID 8480 utilizes advanced RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60, enabling users to select the level of data redundancy and performance that best fits their specific requirements. The controller also supports online capacity expansion and RAID level migration, ensuring that users can seamlessly adapt their storage configurations as their business evolves.

In terms of performance, the MegaRAID 8480 is equipped with 8GB of DDR4 cache memory, which significantly enhances data access speeds and provides improved I/O performance. With the ability to process a large number of transactions simultaneously, this controller is well-suited for demanding enterprise applications, such as database management systems and virtualized environments.

To further enhance data protection, the MegaRAID 8480 features battery-backed write cache technology. This ensures that data in the cache is not lost in the event of a power failure, safeguarding critical information. Furthermore, the MegaRAID SafeStore technology offers additional protection through encryption-key management, which helps safeguard sensitive data from unauthorized access.

Another notable characteristic is the intuitive management interface provided by the MegaRAID Storage Manager software. This tool streamlines storage monitoring and enables users to easily manage their RAID configurations. Additionally, the controller supports advanced diagnostic features that assist administrators in identifying and resolving potential issues before they escalate.

The IBM MegaRAID 8480 is designed for the modern data-driven enterprise, combining performance, reliability, and scalability into a comprehensive storage solution. With its robust set of features and cutting-edge technology, it empowers organizations to enhance their data management strategies while ensuring that their critical applications remain available and secure. This makes the MegaRAID 8480 a standout choice for businesses seeking to future-proof their storage infrastructure.