Avago Technologies MegaRAID SAS 8204ELP - Manual (Page 15)

MegaRAID 1078-based SAS RAID Controllers User’s Guide 1-1
Copyright © 2007 by LSI Corporation. All rights reserved.
Chapter 1
Overview
This chapter provides an overview of the MegaRAID 1078-based Serial
Attached SCSI/Serial ATA II controllers with RAID control capabilities. It
consists of the following sections:
•
Section 1.1, “Overview”
•
Section 1.2, “SAS Controller Descriptions”
•
Section 1.3, “General Description”
•
Section 1.4, “Configuration Scenarios”
•
Section 1.5, “Benefits of the SAS Interface”
•
Section 1.6, “Summary of SAS RAID Controller Characteristics”
•
Section 1.7, “Hardware Specifications”
•
Section 1.8, “Technical Support”
1.1 Overview
The MegaRAID 1078-based SAS RAID controllers are high-performance
intelligent PCI Express-to-SCSI/Serial ATA II adapters with RAID control
capabilities. MegaRAID 1078-based SAS RAID controllers provide
reliability, high performance, and fault-tolerant disk subsystem
management. They are an ideal RAID solution for the internal storage of
workgroup, departmental, and enterprise systems. MegaRAID 1078-
based SAS RAID controllers offer a cost-effective way to implement
RAID in a server.
SAS technology brings a wealth of options and flexibility with the use of
SAS and Serial ATA (SATA) II devices within the same storage
infrastructure. However, SAS and SATA devices bring individual
characteristics that make each one a more suitable choice depending on
your storage needs. MegaRAID gives you the flexibility to combine these