HP Xw8200 LSI SCSI: Integrated RAID User's Guide (PCI plug-in and system board - Page 13

Introduction to Integrated RAID

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Chapter 1 Introduction to Integrated RAID This chapter provides an overview of Integrated RAID, its features, and its benefits. The chapter includes these sections: • Section 1.1, "Introduction," page 1-1 • Section 1.2, "Integrated RAID Benefits and Features," page 1-2 • Section 1.3, "Using this Manual," page 1-2 1.1 Introduction The LSI Logic Integrated RAID solution provides cost benefits for the server or workstation market where the extra performance, storage capacity, and/or redundancy of a RAID configuration are required. The two components of Integrated RAID are: • Integrated Mirroring (IM), which provides features of RAID 1 and RAID 1E • Integrated Striping (IS), which provides features of RAID 0 By simplifying the IM and IS configuration options and by providing firmware support in its host adapters, LSI Logic can offer the Integrated RAID solution at a lower cost than a full-blown RAID implementation. LSI Logic CIM interface software is used to continuously monitor IM volumes and IS volumes and to report status and error conditions as they arise. IM and IS are supported by different versions of Fusion-MPT firmware. Therefore, either IM or IS can be implemented on a system with a Fusion-MPT based controller, but IM and IS cannot be used concurrently on the same system. Integrated RAID User's Guide 1-1 Version 1.0 Copyright © 2003 by LSI Logic Corporation. All rights reserved.

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Integrated RAID User’s Guide
1-1
Version 1.0
Copyright © 2003 by LSI Logic Corporation. All rights reserved.
Chapter 1
Introduction to Integrated RAID
This chapter provides an overview of Integrated RAID, its features, and
its benefits. The chapter includes these sections:
•
Section 1.1, “Introduction,” page 1-1
•
Section 1.2, “Integrated RAID Benefits and Features,” page 1-2
•
Section 1.3, “Using this Manual,” page 1-2
1.1
Introduction
The LSI Logic Integrated RAID solution provides cost benefits for the
server or workstation market where the extra performance, storage
capacity, and/or redundancy of a RAID configuration are required. The
two components of Integrated RAID are:
•
Integrated Mirroring
(IM), which provides features of RAID 1 and
RAID 1E
•
Integrated Striping
(IS), which provides features of RAID 0
By simplifying the IM and IS configuration options and by providing
firmware support in its host adapters, LSI Logic can offer the Integrated
RAID solution at a lower cost than a full-blown RAID implementation.
LSI Logic CIM interface software is used to continuously monitor IM
volumes and IS volumes and to report status and error conditions as they
arise.
IM and IS are supported by different versions of Fusion-MPT firmware.
Therefore, either IM or IS can be implemented on a system with a
Fusion-MPT based controller, but IM and IS cannot be used concurrently
on the same system.