Msi X2-109 v2 Manual do Utilizador descarregar pdf (Página 104)

B-2

MS-9265 Server

This section provides an overview of the LSI Logic Integrated RAID solution for LSI

Logic SAS controllers, its features, and its benefits.

The LSI Logic Integrated RAID solution provides cost benefits for the server or

workstation market where the extra performance, storage capacity, and/or redun-

dancy 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

(RAID 1 Enhanced). RAID 1E is also called Integrated Mirroring Enhanced

(IME)

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 hardware RAID implementation.

Fusion-MPT™ firmware supports IM and IS volumes. You can configure IM and IS

volumes together on the same LSI Logic SAS controller.

Integrated RAID Benefits and Features

Low cost RAID volume creation meets the needs of most internal RAID instal-

lations

Easy to use - installation and configuration are not complex

System can boot from an IM, IME, or IS volume

No special OS-specific software required

High reliability and data integrity

– Non-volatile write journaling

– Physical disks not visible to OS or to application software

Low host CPU and PCI bus utilization

Fusion-MPT architecture provides processing power

– Shared memory architecture minimizes external memory requests

– Functionality is contained in device hardware and firmware

1. Introduction to Integrated RAID

9265v1.0-B(LSI SAS RAID).p65 2008/5/15, 上午 11:442

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Msi X2-109 v2 Manual do Utilizador Página 104