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Storageworks RAID Array 200 Controller Installation and Standalone Configuration Utility 2 Preparing to Install 2.1 Installation Overview

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Storageworks RAID Array 200 Controller Installation and Standalone Configuration Utility 2 Preparing to Install 2.1 Installation Overview StorageWorks RAID Array 200 Subsystems Controller Installation and Standalone Configuration Utility User's Guide Order Number: EK-SWRA2-IG. C01 Third Printing, April 1995 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that might appear in this document. The software, if any, described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license. No responsibility is assumed for the use or reliability of software or equipment that is not supplied by Digital Equipment Corporation or its affiliated companies. Copyright 1995 by Digital Equipment Corporation. All rights reserved. Printed in the U.S.A. The following are trademarks of Digital Equipment Corporation: AXP, DEC OSF/1, StorageWorks, SWXCR, and the Digital logo. The following are third-party trademarks: Microsoft and MS-DOS are registered trademarks and Windows is a trademark of Microsoft Corporation. Intel, Intel486, and i486 are trademarks of Intel Corporation. SIMM is a trademark of Molex Corporation. All other trademarks and registered trademarks are the property of their respective holders. Contents Revision Record.................................................................................................................xiii About This Guide ..............................................................................................................xv 1 Overview of RAID and the RAID Array 200 1.1 What is RAID?........................................................................................................1-1 1.1.1 Implementing RAID through Hardware, or through Software ............................1-2 1.1.2 RAID Levels .....................................................................................................1-2 1.1.2.1 RAID 0..............................................................................................................1-2 1.1.2.2 RAID 1..............................................................................................................1-4 1.1.2.3 RAID 0 + 1........................................................................................................1-5 1.1.2.4 RAID 5..............................................................................................................1-6 1.1.2.5 JBOD ................................................................................................................1-7 1.2 Key Concepts ..........................................................................................................1-8 1.2.1 Disk Array.........................................................................................................1-8 1.2.2 Drive Group ......................................................................................................1-8 1.2.3 Logical RAID Drive ..........................................................................................1-8 1.2.4 Write Caching ...................................................................................................1-8 1.2.4.1 Write-Back Caching ..........................................................................................1-8 1.2.4.2 Write-Through Caching.....................................................................................1-9 1.2.5 Hot Swapping....................................................................................................1-9 1.2.6 Hot Spare ..........................................................................................................1-9 1.3 About the StorageWorks RAID Array 200 Subsystems..........................................1-10 1.3.1 StorageWorks RAID Array 200 Subsystem Components .................................1-10 1.3.2 An Array of Disks in a Storage Enclosure........................................................1-11 1.3.3 A Specialized Array Controller for Implementing a RAID Set.........................1-11 1.3.4 The RAID Array 200 Standalone Configuration Utility....................................1-12 1.3.5 The RAID Array 200 Online Management Utility for Your Operating System.1-12 EX-SWRA2-IG. C01 iii StorageWorks RAID Array 200 Controller Installation and Standalone Configuration Utility 2 Preparing to Install 2.1 Installation Overview ..............................................................................................2-1 2.2 Preparing to Install ..................................................................................................2-3 2.2.1 Verifying User Supplied Hardware and Software (System Requirements)..........2-4 2.2.2 Verifying the Controller Kit and Storage Enclosures..........................................2-5 2.2.2.1 The Controller Kit .............................................................................................2-5 2.2.2.2 The Storage Enclosure.......................................................................................2-5 2.2.3 Verifying the Cables Required for your Subsystem Configuration .....................2-6 2.2.4 Backing up Your System ...................................................................................2-6 3 Updating EISA Information 3.1 Updating EISA Information.....................................................................................3-1 3.2 Running the ECU.....................................................................................................3-2 3.2.1 Starting the ECU ...............................................................................................3-2 3.2.2 Adding a New Board to the ECU .......................................................................3-3 3.2.3 Setting BIOS Address and Interrupt.................................................................3-11 4 1-Channel RAID Controller Installation 4.1 Installing the 1-Channel RAID Controller Board .....................................................4-1 4.2 Cabling....................................................................................................................4-3 4.2.1 Shelf_OK Jumper Installation and Verification..................................................4-4 4.2.2 SCSI Cable Installation......................................................................................4-6 4.2.2.1 Cable Installation - Method 1 ............................................................................4-7 4.2.2.2 Cable Installation - Method 2 ............................................................................4-8 4.2.2.3 Cable Installation - Method 3 ..........................................................................4-10 4.2.2.4 Labeling the Installed Drives...........................................................................4-11 4.2.3 Power Cable Installation..................................................................................4-12 iv EX-SWRA2-IG. C01 Contents 5 3-Channel RAID Controller Installation 5.1 Installing the 3-Channel RAID Controller................................................................5-2 5.1.1 EISA Controller Internal Cabling.......................................................................5-4 5.1.2 PCI Controller Internal Cabling.........................................................................5-6 5.2 Cabling....................................................................................................................5-7 5.2.1 Shelf_OK Jumper Installation and Verification..................................................5-8 5.2.2 SCSI Cable Installation....................................................................................5-12 5.2.2.1 Cable Installation - Method 1 ..........................................................................5-14 5.2.2.2 Cable Installation - Method 2 ..........................................................................5-15 5.2.2.3 Cable Installation - Method 3 ..........................................................................5-16 5.2.2.4 Labeling the Installed Drives...........................................................................5-18 5.2.3 Power Cable Installation..................................................................................5-19 6 Configuring Your Array 6.1 Getting Started ........................................................................................................6-1 6.1.1 Turning-On and -Off Your System and Storage Enclosures ...............................6-2 6.1.2 Invoking the Standalone Configuration Utility...................................................6-2 6.1.2.1 Invoking the Standalone Utility on Intel Systems...............................................6-2 6.1.2.2 Invoking the Standalone Utility on AXP Systems ..............................................6-4 6.1.2.3 Using the Standalone Utility .............................................................................6-5 6.1.2.4 Exiting the Utilities ...........................................................................................6-6 6.2 Determining Version of Controller Firmware ..........................................................6-6 6.3 Setting Controller Parameters, and Fault Management and Battery Backup Options...........................................................................................6-6 6.3.1 Setting Controller Parameters............................................................................6-6 6.3.1.1 Completing the Controller Parameters
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