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HP Xw8200 LSI SCSI: Integrated RAID User's Guide (PCI plug-in and system board - Page 16

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The IM feature uses the same device drivers as the standard FusionMPT based controllers, providing seamless and transparent fault tolerance. This eliminates the need for complex backup software or expensive RAID hardware. The IM feature operates independently from the operating system, in order to conserve system resources. The BIOSbased configuration utility makes it easy to configure a mirrored volume. The IM feature is currently available as an optional component of the new Fusion-MPT architecture on all LSI Logic Ultra320 SCSI integrated I/O controller products. 2.2 Features This section lists the key features of Integrated Mirroring. • Supports configurations of two to six mirrored disks on the same channel • Mirrored volume runs in optimal mode or degraded mode (that is, if one mirrored disk fails) • (Optional) Supports configuration of a hot spare • Hot swap capability • Presents a single virtual drive to the OS • Support for disks of different types and capacities • Fusion-MPT architecture • Easy-to-use BIOS-based configuration utility (and DOS-based configuration utility for manufacturing use only) • Support for greater volume capacity by integrating more disks • Error notification - OS-specific event log - Errors displayed on CIM browser • SAF-TE drive status LED support for Integrated Mirroring disks • Write journaling, which allows automatic synchronization of potentially inconsistent data after unexpected power-down situations • Meta data used to store volume configuration on mirrored disks 2-2 Integrated Mirroring (IM) Overview Version 1.0 Copyright © 2003 by LSI Logic Corporation. All rights reserved.

Section	Page
Integrated RAID	1
Preface	3
Contents	5
Figures	9
Tables	11
Chapter1 Introduction to Integrated RAID	13
1.1 Introduction	13
1.2 Integrated RAID Benefits and Features	14
1.3 Using this Manual	14
Chapter2 Integrated Mirroring (IM) Overview	15
2.1 Introduction	15
2.2 Features	16
2.3 Description	17
Figure2.1 Typical Mainboard Implementation	17
Figure2.2 Integrated Mirroring with Two Disks	18
Figure2.3 Integrated Mirroring with More than Two Disks	18
2.4 Integrated Mirroring Firmware	19
2.4.1 Host Interface	19
2.4.2 Resynchronization with Concurrent Host I/O Operation	19
2.4.3 Meta Data Support	19
2.4.4 Hot Swap	20
2.4.5 SMART Support	20
2.4.6 Floating Hot Spare	20
2.4.7 Media Verification	21
2.4.8 SCSI ID Assignment	21
2.4.9 Disk Write Caching	21
2.4.10 NVSRAM Usage	21
2.5 Fusion-MPT Support	22
2.5.1 BIOS ROM	22
2.5.2 OS Drivers	22
Chapter3 Setting Up Integrated Mirroring	23
3.1 IM Configuration Overview	23
3.2 Configuring IM with the BIOS-Based CU	24
3.2.1 Quick IM Configuration Procedure	24
3.2.2 Configuration Screen Overview	26
Figure3.1 Screen Field Definitions	26
3.2.3 Detailed IM Configuration Procedure	27
Figure3.2 Main Screen	27
Figure3.3 Adapter Properties Screen	28
Figure3.4 RAID Properties Screen: No IM Volume Configured	29
Figure3.5 RAID Properties Screen: One IM Volume Configured	32
3.2.4 Other BIOS-Based CU Screens	33
Figure3.6 Global Properties Screen	33
Figure3.7 Boot Adapter List Screen	34
Figure3.8 Device Properties Screen	35
3.3 Troubleshooting	36
3.3.1 RAID Properties Menu Item Disabled	36
3.3.2 IM Volume Uses Extra SCSI ID	36
3.3.3 Configuration Utility Disables Selection of Disk	37
Chapter4 Integrated Striping (IS) Overview	39
4.1 Introduction	39
4.2 IS Features	40
4.3 IS Description	40
Figure4.1 Integrated Striping Example	41
Figure4.2 Integrated Striping - Logical and Physical Views	41
4.4 Integrated Striping Firmware	42
4.4.1 Host Interface	42
4.4.2 Meta Data Support	42
4.4.3 SMART Support	42
4.4.4 SCSI ID Assignment	42
4.4.5 Disk Write Caching	43
4.5 Fusion-MPT Support	43
4.5.1 BIOS ROM	43
4.5.2 OS Drivers	43
Chapter5 Setting Up Integrated Striping	45
5.1 IS Configuration Overview	45
5.2 Configuring IS with the BIOS-Based CU	46
5.2.1 Quick IS Configuration Procedure	46
5.2.2 Configuration Screen Overview	47
Figure5.1 Screen Field Definitions	47
5.2.3 Detailed IS Configuration Procedure	48
Figure5.2 Main Screen	48
Figure5.3 Adapter Properties Screen	49
Figure5.4 RAID Properties Screen: No IS Volume Configured	50
Figure5.5 RAID Properties Screen: One IS Volume Configured	52
5.2.4 Other BIOS-Based CU Screens	53
Figure5.6 Global Properties Screen	53
Figure5.7 Boot Adapter List Screen	54
Figure5.8 Device Properties Screen	55
5.3 Troubleshooting	55
5.3.1 RAID Properties Menu Item Disabled	55
5.3.2 Configuration Utility Disables Selection of Disk	56
Chapter6 CIM Solution	57
6.1 Description	57
6.1.1 Features	58
6.1.2 Installation and System Requirements	59
6.2 CIM Browser Window Description	60
6.2.1 Connect Menu Options	60
Table6.1 Connect Menu Option Description	60
6.2.2 Hardware Device Tree Options	60
Figure6.1 Hardware Device Tree Structures	62
Table6.2 Device Tree Description	63
6.3 CIM Installation Instructions for Windows	64
6.3.1 Installing the CIM Solution	64
6.3.2 Uninstalling the CIM Solution	64
6.4 CIM Installation Instructions for Linux	65
6.4.1 Installing the CIM Solution	65
6.4.2 Uninstalling the CIM Solution	65
AppendixA Using the DOS-Based Configuration Utility	67
A.1 Configuration Overview	67
A.2 Running the DOS-Based CU	68
A.3 Rules for Command Line Options	69
A.4 Configuring an IM Volume with the DOS-Based CU	69
A.4.1 Command Line Options	70
A.4.2 Making Manufacturing Settings Read Only	73
A.4.3 IM Parameter Defaults for Fusion-MPT SCSI Controllers	73
A.4.4 Examples of Command Line Usage	74
A.5 Configuring an IS Volume with the DOS-Based CU	76
A.5.1 Command Line Options	76
A.5.2 Making Manufacturing Settings Read Only	78
A.5.3 IS Parameter Defaults for Fusion-MPT SCSI Controllers	79
A.5.4 Examples of Command Line Usage	79