Asus RS724QA-E6 RS12 User Guide - Page 14

Integrated RAID Benefits and Features, System can boot from an IM, IME, or IS volume

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By simplifying the configuration options and by providing firmware support in its host adapters, LSI can offer the Integrated RAID solution at a lower cost than a hardware RAID implementation. Fusion-MPT™ firmware supports IM, IME, and IS volumes. You can create up to two Integrated RAID storage volumes on the same LSI SAS controller. 1.2 Integrated RAID Benefits and Features Integrated RAID has the following benefits and features: • Support for up to ten disks per IME or IS volume, with one or two storage volumes per SAS controller. Each controller can support up to 12 volume disks, plus one or two hot spare disks, for a maximum of 14 disks per controller. (Support for this number of disks requires Integrated RAID firmware v1.20.00 or above.) • Support for two-disk IM mirrored volumes • Low cost RAID volume creation meets the needs of most internal RAID installations • 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 - Nonvolatile 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 1-2 Introduction to Integrated RAID Version 1.1 Copyright © 2006, 2007 by LSI Logic Corporation. All rights reserved.

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1-2
Introduction to Integrated RAID
Version 1.1
Copyright © 2006, 2007 by LSI Logic Corporation. All rights reserved.
By simplifying the configuration options and by providing firmware
support in its host adapters, LSI can offer the Integrated RAID solution
at a lower cost than a hardware RAID implementation.
Fusion-MPT
™
firmware supports IM, IME, and IS volumes. You can
create up to two Integrated RAID storage volumes on the same LSI SAS
controller.
1.2
Integrated RAID Benefits and Features
Integrated RAID has the following benefits and features:
•
Support for up to ten disks per IME or IS volume, with one or two
storage volumes per SAS controller. Each controller can support up
to 12 volume disks, plus one or two hot spare disks, for a maximum
of 14 disks per controller. (Support for this number of disks requires
Integrated RAID firmware v1.20.00 or above.)
•
Support for two-disk IM mirrored volumes
•
Low cost RAID volume creation meets the needs of most internal
RAID installations
•
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
–
Nonvolatile 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