LSI MegaRAID SCSI 320-2 RAID Controller Series 518 Hardware Manual
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LSI MegaRAID SCSI 320-2 RAID Controller Series 518 Hardware Manual

Lsi logic megaraid scsi 320-2 raid controller user's guide
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HARDWARE
GUIDE
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MegaRAID
SCSI 320-2

RAID Controller

N o v e m b e r 2 0 0 2
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Summary of Contents for LSI MegaRAID SCSI 320-2 RAID Controller Series 518

  • Page 1: Hardware Guide

    HARDWARE GUIDE ® MegaRAID SCSI 320-2 RAID Controller N o v e m b e r 2 0 0 2 ®...
  • Page 2 LSI Logic; nor does the purchase or use of a product from LSI Logic convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual property rights of LSI Logic or third parties.
  • Page 3 LSI Logic with this product. The complete list of tested jumper settings, system Configurations, peripheral devices, and memory modules are documented in the LSI LOGIC Compatibility Report for this product.
  • Page 4 Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 5 Preface This book is the primary reference and Hardware Guide for the LSI Logic MegaRAID the MegaRAID controller and for configuring RAID arrays. It also contains background information on RAID. The MegaRAID SCSI 320-2 controller supports single-ended and low- voltage differential (LVD) SCSI devices on two Ultra320 and Wide SCSI channels with data transfer rates up to 320 Mbytes/s.
  • Page 6 320-2 Controller, you may be able to find the information you need at the MegaRAID support page at If this does not resolve your problem, you can call your LSI Logic OEM Technical Support representative at 678-728-1250. Before you call, please complete the MegaRAID Problem Report form.
  • Page 7 Driver Ver.: Network Card: Other disk controllers installed: Description of problem: Steps necessary to re-create problem: Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved. BIOS manufacturer: BIOS Date: Video Adapter: CPU Type/Speed: System Memory: Other adapter cards...
  • Page 8 Drive Level Size LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD17 LD18 LD19 LD20 LD21 viii Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved. Logical Drive Cache Read Size Policy Policy Write # of Physical Policy Drives...
  • Page 9 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 LD32 LD33 LD34 LD35 LD36 LD37 LD38 LD39 Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved. Logical Drive Cache Read Size Policy Policy Write # of Physical Policy Drives...
  • Page 10 Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved. Channel 0 Channel 1...
  • Page 11 Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved. Channel 0 Channel 1...
  • Page 12 Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved. Channel 0 Channel 1...
  • Page 13 Physical Device Layout (Cont.) Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved. Channel 0 Channel 1 xiii...
  • Page 14 Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 15: Table Of Contents

    2.3.1 2.3.2 2.3.3 2.3.4 2.3.5 2.3.6 MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved. MegaRAID SCSI 320-2 Hardware Guide MegaRAID Configuration Software Guide MegaRAID Operating System Driver Installation Guide Improved I/O Increased Reliability...
  • Page 16 4.10 MegaRAID Components 4.10.1 4.10.2 4.10.3 4.10.4 4.10.5 4.10.6 Contents Copyright © 2002 by LSI Logic Corporation. All rights reserved. Disk Spanning Parity Hot Spares Hot Swapping Disk Rebuild Logical Drive States SCSI Drive States Disk Array Types Enclosure Management...
  • Page 17 Planning the Array Configuration 5.5.1 Chapter 6 Hardware Installation Hardware Requirements 6.1.1 Installation Steps Contents Copyright © 2002 by LSI Logic Corporation. All rights reserved. SCSI Connectors SCSI Termination SCSI Firmware MegaRAID BIOS Configuration Utility WebBIOS Configuration Utility Power Console Plus MegaRAID Manager...
  • Page 18 7.4.9 7.4.10 7.4.11 7.4.12 xviii Contents Copyright © 2002 by LSI Logic Corporation. All rights reserved. Step 1: Unpack Step 2: Power Down Step 3: Install Cache Memory Step 4: Check Jumper Settings Step 5: Set Termination Step 6 Set SCSI Terminator Power...
  • Page 19 68-Pin Connector Pinout for LVD SCSI Appendix B Audible Warnings Appendix C Glossary Contents Copyright © 2002 by LSI Logic Corporation. All rights reserved. Verifying Disk Access and Functionality Installing Cluster Service Software Configuring Cluster Disks Validating the Cluster Installation Configuring the Second Node Verifying Installation Configuring the SCSI Devices...

  • Page 20: Customer Feedback

    Index Customer Feedback Contents Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 21: Overview

    Intel 80303 processor. MegaRAID provides reliability, high performance, and fault-tolerant disk subsystem management. SCSI Channels The MegaRAID SCSI 320-2 has two Ultra320 SCSI channels. One LSI Logic dual SCSI controller supports both channels. Each SCSI channel supports up to fifteen SCSI devices.

  • Page 22: Nvram And Flash Rom

    Wide Ultra SCSI Wide Ultra SCSI Wide Ultra SCSI Overview Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists the maximum SCSI cable length and number of disk drives Maximum Cable Length for SCSI Standards Single Ended SCSI 1.5 m...

  • Page 23: Scsi Bus Widths And Maximum Throughput

    The MegaRAID SCSI 320-2 Hardware Guide The MegaRAID Configuration Software Guide The MegaRAID Operating System Driver Installation Guide SCSI Bus Widths and Maximum Throughput Copyright © 2002 by LSI Logic Corporation. All rights reserved. Maximum Cable Length for SCSI Standards (Cont.) Single Ended SCSI...

  • Page 24: Megaraid Scsi 320-2 Hardware Guide

    WebBIOS Configuration Utility MegaRAID Manager Power Console Plus 1.7.3 MegaRAID Operating System Driver Installation Guide This manual provides detailed information about installing the MegaRAID SCSI 320-2 operating system drivers. Overview Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 25: Introduction To Raid

    RAID provides a way to achieve much better data throughput. MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 26: Increased Reliability

    The sustained data transfer rate of the SCSI devices The number of SCSI channels The number of SCSI disk drives Host-based solutions must provide operating system-specific drivers. Introduction to RAID Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 27: Scsi-To-Scsi External Raid

    A logical drive can consist of any of the following: An entire physical array More than one entire physical array A part of an array Parts of more than one array RAID Overview Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 28: Consistency Check

    2.3.5 Disk Striping Disk striping writes data across multiple disk drives instead of just one disk drive, as shown in Introduction to RAID Copyright © 2002 by LSI Logic Corporation. All rights reserved. Figure 2.1.
  • Page 29 Stripe width is a measure of the number of disks involved in an array where striping is implemented. For example, a four-disk array with disk striping has a stripe width of four. RAID Overview Copyright © 2002 by LSI Logic Corporation. All rights reserved. Disk Striping MegaRAID Controller Segment 2...

  • Page 30: Disk Mirroring

    Either drive can act as the operational drive. Although disk mirroring provides 100% redundancy, it is expensive because each drive in the system must be duplicated. Introduction to RAID Copyright © 2002 by LSI Logic Corporation. All rights reserved. Disk Mirroring MegaRAID Controller Segment 1 Duplicated...

  • Page 31: Disk Spanning

    The controller supports a span depth of eight. This means that eight RAID 1, 3, or 5 arrays can be spanned to create one logical drive. RAID Overview Copyright © 2002 by LSI Logic Corporation. All rights reserved. Figure 2.3, two RAID 1 arrays are turned into...

  • Page 32: Parity

    MegaRAID SCSI 320-2 controller assigns the hot spare that Introduction to RAID Copyright © 2002 by LSI Logic Corporation. All rights reserved. describes how disk spanning is used for RAID 10 and RAID 50. Spanning for RAID 10 and RAID 50 Configure RAID 10 by spanning two contiguous RAID 1 logical drives.

  • Page 33: Hot Swapping

    A rebuild rate of 100% means the system is RAID Overview Copyright © 2002 by LSI Logic Corporation. All rights reserved. Hot spares are used only in arrays with redundancy—for example, RAID levels 1, 5, 10, and 50. A hot spare connected to a specific MegaRAID SCSI 320-2 controller...

  • Page 34: Logical Drive States

    Hot Spare (HOTSP) Fail (FAIL) Rebuild (REB) 2-10 Introduction to RAID Copyright © 2002 by LSI Logic Corporation. All rights reserved. describes the logical drive states. Logical Drive States Description Drive operating condition is good. All configured drives are online.

  • Page 35: Disk Array Types

    Enclosure management increases the fault tolerance of the disk subsystem. RAID Overview Copyright © 2002 by LSI Logic Corporation. All rights reserved. describes the RAID disk array types. Disk Array Types...
  • Page 36 2-12 Introduction to RAID Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 37: Raid Levels

    The number of drives in the disk array The capacity of the drives in the array The need for data redundancy The disk performance requirements MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 38: Raid

    Weak Points Drives Figure 3.1 RAID Levels Copyright © 2002 by LSI Logic Corporation. All rights reserved. RAID 0 provides high data throughput, especially for large files. Suitable for any environment that does not require fault tolerance. Provides increased data throughput for large files. No capacity loss penalty for parity.

  • Page 39: Raid

    Uses Strong Points Weak Points Drives Figure 3.2 RAID 1 Copyright © 2002 by LSI Logic Corporation. All rights reserved. RAID 0 Array MegaRAID Controller Segment 2 Segment 6 Segment 10 Use RAID 1 for small databases or any other environment that requires fault tolerance but small capacity.
  • Page 40 In addition, robust caching algorithms and hardware based RAID Levels Copyright © 2002 by LSI Logic Corporation. All rights reserved. RAID 1 Array MegaRAID Controller Segment 1 Duplicated...
  • Page 41 Segment 8 Parity (9–12) RAID 5 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Provides high data throughput, especially for large files. Use RAID 5 for transaction processing applications, because each drive can read and write independently. If a drive fails, the MegaRAID SCSI 320-2 uses the distributed parity data to recreate all missing information.
  • Page 42 Drives Figure 3.4 RAID Levels Copyright © 2002 by LSI Logic Corporation. All rights reserved. Works best for data storage that must have 100% redundancy of mirrored arrays and that also needs the enhanced I/O performance of RAID 0 (striped arrays). RAID...

  • Page 43: Raid

    The size of each block is determined by the stripe size parameter, which is set during the creation of the RAID set. RAID 50 Copyright © 2002 by LSI Logic Corporation. All rights reserved. RAID 10 Array MegaRAID Controller...
  • Page 44 Parity (5-6) Parity (9-10) Segment 9 RAID Levels Copyright © 2002 by LSI Logic Corporation. All rights reserved. Works best when used with data that requires high reliability, high request rates, high data transfer, and medium to large capacity. Provides high data throughput, data redundancy, and very good performance.

  • Page 45: Features

    15 Wide devices and up to seven non-Wide devices. MegaRAID SCSI 320-2 features include: Remote configuration and array management through MegaRAID WebBIOS High-performance I/O migration path while preserving existing PCI- SCSI software MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 46 Hot swap of new drives without taking the system down Optional battery backup for up to 72 hours of data retention Server clustering support Optional firmware provides multi-initiator support Server failover Software drivers for major operating systems Features Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 47: Smart Technology

    PCI bus master Drive interface Upgradable cache memory sizes Cache function SMART Technology Copyright © 2002 by LSI Logic Corporation. All rights reserved. contains the configuration features for the MegaRAID 320-2. Configuration Features Feature 0, 1, 5, 10, and 50 PCI 2.2...
  • Page 48 No reboot necessary after expansion More than 200 Qtags per physical drive Yes Hardware clustering support on the board User-specified rebuild rate Features Copyright © 2002 by LSI Logic Corporation. All rights reserved. Configuration Features (Cont.) Feature Up to 40 logical drives per controller...

  • Page 49: Array Performance Features

    Support for concurrent multiple stripe sizes Windows NT, 2000, XP, and .NET server support using a GUI client utility Array Performance Features Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists the array performance features. Array Performance Features Feature...

  • Page 50: Fault Tolerance Features

    Diagnostic utility Management utility Bootup configuration using MegaRAID Manager Online read, write, and cache policy switching Features Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists the fault tolerance features. Fault Tolerance Features Feature Standard. Provided on the MegaRAID Controller.

  • Page 51: Operating System Software Drivers

    DOS version 6.xx or later The DOS drivers for MegaRAID are contained in the firmware on the MegaRAID controller, except for the DOS ASPI and CD drivers. Call your LSI OEM support representative or access the web site at www.lsilogic.com systems.

  • Page 52: Megaraid Components

    100 MHz. This processor directs all functions of the controller including command processing, PCI and SCSI bus Features Copyright © 2002 by LSI Logic Corporation. All rights reserved. MegaRAID SCSI 320-2 Specifications (Cont.) Specification 32 KB 8 for storing RAID configuration...

  • Page 53: Cache Memory

    MegaRAID Components Copyright © 2002 by LSI Logic Corporation. All rights reserved. Write caching is not recommended for the physical drives. When write cache is enabled, loss of data can occur when...

  • Page 54: Scsi Connectors

    Table 4.7 Feature Disconnect/ reconnect Tagged command queuing Scatter/gather 4-10 Features Copyright © 2002 by LSI Logic Corporation. All rights reserved. SCSI Firmware Description Optimizes SCSI bus seek Multiple tags to improve random access Multiple address/count pairs Table 4.7.

  • Page 55: Raid Management

    RAID system. It is independent of any operating system. See the MegaRAID Configuration Software Guide for additional information. RAID Management Copyright © 2002 by LSI Logic Corporation. All rights reserved. SCSI Firmware (Cont.) Description Up to 255 simultaneous commands with elevator sorting...

  • Page 56: Power Console Plus

    The MegaRAID SCSI 320-2 supports SCSI hard drives, CD-ROM drives, and tape drives. 4.12.3 Software All SCSI backup and utility software should work with the MegaRAID SCSI 320-2. This software is not provided with the MegaRAID controller. 4-12 Features Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 57: Configuring Scsi Physical Drives

    320-2 controller supports SCSI CD-ROM drives, SCSI tape drives, and other SCSI devices as well as SCSI hard disk drives. For optimal performance, all non-disk SCSI devices should be attached to one SCSI channel. MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 58: Basic Configuration Rules

    Table 5.1 SCSI ID Device Description Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Be sure to back up your data regularly, even when using RAID. to record the current configuration for your physical Physical Device Configuration...
  • Page 59 Table 5.1 Physical Device Configuration (Cont.) SCSI ID Device Description Configuring SCSI Physical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Termination? SCSI Channel 1...

  • Page 60: Logical Drive Configuration

    LD11 LD12 LD13 LD14 LD15 LD16 Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Physical Device Configuration (Cont.) to record the configuration for your logical drives. Logical Drive Cache Size Policy...
  • Page 61 LD27 LD28 LD29 LD30 LD31 LD32 LD33 LD34 LD35 LD36 LD37 LD38 LD39 Configuring SCSI Physical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Logical Drive Cache Size Policy Read Write # of Physical Policy Policy Drives...

  • Page 62: Physical Device Layout

    Firmware level Target ID Device type Logical drive number/Drive number Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. to record the physical device layout. Physical Device Layout Channel 0 Channel 1...
  • Page 63 Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Configuring SCSI Physical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Channel 0 Channel 1...
  • Page 64 Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Physical Device Layout (Cont.) Channel 0 Channel 1...

  • Page 65: Configuring Arrays

    You can create spanned drives by using the MegaRAID Configuration Utility or the MegaRAID Manager. See the MegaRAID Configuration Software Guide for additional information. Configuring Arrays Copyright © 2002 by LSI Logic Corporation. All rights reserved. Physical Device Layout (Cont.) Channel 0 Channel 1...

  • Page 66: Creating Hot Spares

    Maximum drive capacity for each RAID level is shown below. OEM-level firmware that can span up to 4 logical drives is 5-10 Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 67 RAID levels. Table 5.5 RAID Level Creating Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Table 5.4 describes the RAID levels, including the number of Capacity for RAID Levels...

  • Page 68: Assigning Raid Levels

    Table 5.7 RAID Level 5-12 Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Table 5.6 lists basic guidelines for the performance Performance Characteristics for RAID Levels Performance Characteristics Excellent for all types of I/O activity, but provides no data security.

  • Page 69: Configuring Logical Drives

    You must first define the major purpose of the disk array. Will this disk array increase the system storage capacity for general-purpose file and print servers? Does this disk array support any software system that Configuring Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. 5-13...

  • Page 70: Planning The Array Configuration

    RAID 1 requires two drives, RAID 10 at least four, and RAID 50 at least six. 5-14 Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. Table 5.8 to help plan this array. Factors for Planning the Array Configuration...
  • Page 71 RAID 5 RAID 10 RAID 50 RAID 0 RAID 5 RAID 0 RAID 5 RAID 10 RAID 50 Planning the Array Configuration Copyright © 2002 by LSI Logic Corporation. All rights reserved. Relative Fault Performance Tolerance Excellent Excellent Good Excellent Good...
  • Page 72 5-16 Configuring Physical Drives, Arrays, and Logical Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 73: Hardware Requirements

    Ultra320 SCSI disk drives and other SCSI devices, as desired Important: MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved. A motherboard with 5 V/3.3 V PCI expansion slots that has an available expansion slot Support for PCI version 2.2 or later...

  • Page 74: Optional Equipment

    Table 6.1 detail in the following pages. Table 6.1 Step Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists the hardware installation steps. Each step is described in Hardware Installation Steps Action Unpack the MegaRAID controller and inspect for damage.

  • Page 75: Step 1: Unpack

    MegaRAID SCSI 320-2 controller card from the anti-static bag and inspect it for damage. If the card appears damaged, or if any item listed below is missing, contact LSI Logic or your MegaRAID OEM support representative. The MegaRAID SCSI 320-2 controller is shipped with the...

  • Page 76: Step 3: Install Cache Memory

    4. Disconnect the battery pack cable from the MegaRAID controller. 5. Remove the MegaRAID controller. Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. A minimum of 32 Mbytes of cache memory is required. The cache memory must be installed before the MegaRAID controller is operational.

  • Page 77: Step 4: Check Jumper Settings

    9. Replace the computer cover and turn the computer power on. 6.2.3.2 Recommended Memory Vendors Call LSI Logic Technical Support at 678-728-1250 for a current list of recommended memory vendors. 6.2.4 Step 4: Check Jumper Settings Make sure the jumper settings on the MegaRAID SCSI 320-2 card are correct.
  • Page 78 J4 and J5 are three-pin headers that specify the type of SCSI termination for channel 0 and channel 1, respectively. Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. MegaRAID SCSI 320-2 Controller Layout Internal High-Density SCSI Connectors...
  • Page 79 Table 6.5 J16 Setting Unjumpered Jumpered Installation Steps Copyright © 2002 by LSI Logic Corporation. All rights reserved. Pinout for J4/J5 Termination Enable displays the J10 pinout. J10 External Battery Pinout Signal Description +BATT Terminal (red wire)

  • Page 80: Step 5: Set Termination

    Figure termination to be controlled by software. (See Termination Enable,” page Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. 6.3. Also, jumpers J4 and J5 should always be set to allow the 6-6.) Section 6.2.4.3, “J4/J5...
  • Page 81 In most array enclosures, the end of the SCSI cable has an independent SCSI terminator module that is not part of any SCSI drive. In this way, Installation Steps Copyright © 2002 by LSI Logic Corporation. All rights reserved. Termination of Internal SCSI Disk Arrays Terminator ID1 –...
  • Page 82 You can use both internal and external drives with the MegaRAID SCSI 320-2. You still must make sure that the proper SCSI termination and termination power is preserved, as shown in 6-10 Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. 6.4: Terminating External Disk Arrays Termination Enabled Figure 6.5:...
  • Page 83 ID 4 ID 5 ID 6* Note: *Termination enabled from last SCSI drive Installation Steps Copyright © 2002 by LSI Logic Corporation. All rights reserved. Host Computer Terminator ID1 – No Termination ID0 – Boot Drive No Termination MegaRAID 320-2...
  • Page 84 Figure 6.6 Connecting Non-Disk SCSI Devices Host Computer No Termination External SCSI CD-ROM Drive 6-12 Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Internal SCSI Drives Boot Drive No Termination No Termination Termination Enabled Termination Enabled...

  • Page 85: Step 6 Set Scsi Terminator Power

    (the black wire connects to pin 1). installed battery pack (upper right corner). Installation Steps Copyright © 2002 by LSI Logic Corporation. All rights reserved. Section 6.2.4.6, “J17/J18 SCSI 6-8. By default (jumper installed on pins 1 The SCSI channels need Termination power to operate. If...
  • Page 86 Voltage Fast Charging No. of Cycles 6-14 Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Table 6.6 Backup Battery Menu Options Explanation PRESENT appears if the battery pack is properly installed; ABSENT if it is not.
  • Page 87 These Installation Steps Copyright © 2002 by LSI Logic Corporation. All rights reserved. Do not dispose of the MegaRAID battery pack by fire. Do not mutilate the battery pack. Do not damage it in any way.

  • Page 88: Step 8: Install Megaraid Scsi 320-2

    FAX: 352-376-6658 Important: Most used Nickel-Metal Hydride batteries are not classified LSI Logic reminds you that you must comply with all applicable battery disposal and hazardous material handling laws and regulations in the country or other jurisdiction where you are using an optional battery pack on the MegaRAID SCSI 320-2 controller.

  • Page 89: Step 9: Connect Scsi Devices

    Two external very high-density 68-pin SCSI connector: J9 is for SCSI channel 0, J19 is for SCSI channel 1. Installation Steps Copyright © 2002 by LSI Logic Corporation. All rights reserved. Installing the MegaRAID SCSI 320-2 Controller Bracket Screw 32-bit slots (3.3 V)

  • Page 90: Step 10: Set Target Ids

    (CD-ROM or tapes) should have unique SCSI IDs regardless of the channel where they are connected. See the documentation for each SCSI device to set the TIDs. The MegaRAID SCSI 320-2 controller 6-18 Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Table 1.1 for details.)
  • Page 91 6.2.10.1 Example of MegaRAID SCSI 320-2 ID Mapping Table 6.8 Table 6.8 Installation Steps Copyright © 2002 by LSI Logic Corporation. All rights reserved. Table 6.7 shows the relative priority of each Target ID: Priority of Target IDs Highest unique SCSI IDs regardless of the channel they are connected to.

  • Page 92: Step 11: Power Up

    Press <Ctrl><M> to run the MegaRAID BIOS Configuration Utility. See the MegaRAID Configuration Software Guide for more information. 6-20 Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Example of Mapping for SCSI 320-2 (Cont.) Channel 0 Channel 1...

  • Page 93: Step 13: Install The Operating System Driver

    WebBIOS Configuration Utility MegaRAID Manager Power Console Plus Summary Copyright © 2002 by LSI Logic Corporation. All rights reserved. Refer to the MegaRAID Driver Installation Guide for the procedures used to install operating system drivers. Table 6.9 lists these utility programs.

  • Page 94: Hardware Installation

    6-22 Hardware Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 95: Overview

    Again, with current technology, this generally means that the servers in a cluster will have the same architecture and run the same version of the same operating system. MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 96: Benefits Of Clusters

    > New Configuration menu. Note: Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. Use the whole array size of any created array. Do not create partitions of different sizes on the RAID arrays from the BIOS Configuration Utility (<Ctrl><M>), because they...

  • Page 97: Driver Installation Instructions Under Microsoft Windows 2000 Advanced Server

    "Completing the upgrade device driver" wizard displays the name of the controller. 4. Click on Finish to complete the installation. Installation and Configuration Copyright © 2002 by LSI Logic Corporation. All rights reserved. cannot be failed over individually when assigned driver letters in Windows 2000. step 4 –...

  • Page 98: Network Requirements

    If you do not use two network adapters for each node, your Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. step 1 –...

  • Page 99: Shared Disk Requirements

    Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Section 7.5, “Installing SCSI Drives,” 7-27, for installation information.
  • Page 100 A mix of domain controllers and member servers in a cluster is not acceptable. Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. shows which nodes and storage devices should be powered on Comments Make sure that power to all storage devices on the shared bus is turned off.

  • Page 101: Installing Microsoft Windows 2000

    View the Network and Dial-up Connections screen to check the connections. Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Do not allow both nodes to access the shared storage device before the Cluster Service is installed. In order to prevent this, power down any shared storage devices and then power up nodes one at a time.

  • Page 102: Configuring The Cluster Node Network Adapter

    Local Area Connection (2). Renaming it will help you identify Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. Use crossover cables for the network card adapters that access the cluster nodes. If you do not use the crossover cables properly, the system will not detect the network card adapter that accesses the cluster nodes.

  • Page 103: Setting Up The First Node In Your Cluster

    8. Click on Advanced. The network card adapter properties window displays. 9. You should set network adapters on the private network to the actual speed of the network, rather than the default automated speed selection. Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 104: Configuring The Public Network Adapter

    7-10 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. It is strongly recommended that you use static IP addresses for all network adapters in the cluster. This includes both the network adapter used to access the cluster nodes and the network adapter used to access the LAN (Local Area Network).

  • Page 105: Verifying Connectivity And Name Resolution

    Node In this example, you would type: Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Before proceeding, you must know the IP address for each network card adapter in the cluster. You can obtain it by using the IPCONFIG command on each node.

  • Page 106: Verifying Domain Membership

    3. Click on Active Directory Users and Computers. 4. Click the plus sign (+) to expand the domain name (if it is not already expanded.) 5. Click on Users. 7-12 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 107: Setting Up Shared Disks

    files that help manage the cluster. Windows 2000 makes the following quorum disk recommendations: Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. If your company’s security policy does not allow the use of passwords that never expire, you must renew the password on each node before password expiration.

  • Page 108: Configuring Shared Disks

    9. Accept the default drive letter assignment by clicking on Next. 10. Click on Next to format and create a partition. 7-14 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. For our example, we use the letter E for the quorum disk drive letter.

  • Page 109: Assigning Drive Letters

    11. Double-click on test.txt to open it on the shared disk. 12. Close the file. Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. Mountpoints is a feature of the file system that lets you mount a file system using an existing directory without assigning a drive letter.

  • Page 110: Installing Cluster Service Software

    (If the Windows 2000 Setup flashscreen displays, close it.) 7. Click on OK. The Cluster Service Configuration Window displays. 8. Click on Next. The Hardware Configuration Certification window appears. 7-16 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 111 Do not enter a password. 13. Type the domain name, then click on Next. At this point the Cluster Service Configuration Wizard validates the user account and password. Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. 7-17...

  • Page 112: Configuring Cluster Disks

    SCSI disks that are not to be used as shared storage. You must remove any SCSI disks that are internal to the node and not to be shared storage. 7-18 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 113 Cluster Service recognizes only one network interface per subnet. This document assumes that only two networks are in use. It describes how you can configure these networks as one mixed and one private network. Cluster Installation 7-19 Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 114 SCSI bus that will be used by Cluster Service. Add or remove disks as necessary, then click on Next. The following screen displays. 7-20 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 115 6. Check the box Enable this network for cluster use. 7. Select the option Internal cluster communications only, then click on Next. Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. 7-21...
  • Page 116 8. Verify that the first connection in the list is the Private Cluster Connection, then click on Next. Note: 7-22 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. Always set the order of the connections so that the Private Cluster Connection is first in the list.
  • Page 117 IP address with one of the public or mixed networks. It uses the subnet mask to select the correct network. 10. Click Finish to complete the cluster configuration on the first node. Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. 7-23...
  • Page 118 After the files are copied, the Cluster Service registry entries are created, the log files on the quorum resource are created, and the Cluster Service is started on the first node. 7-24 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 119: Validating The Cluster Installation

    Cluster Service on the second node. 7.4.17 Configuring the Second Node Note: Cluster Installation Copyright © 2002 by LSI Logic Corporation. All rights reserved. For this procedure, have node one and all shared disks powered on, then power up the second node. 7-25...

  • Page 120: Verifying Installation

    1. Click Start, click Programs, click Administrative Tools, then click Cluster Administrator. The presence of two nodes (pictured below) shows that a cluster exists and is in operation. 7-26 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 121: Installing Scsi Drives

    This information is provided as a generic instruction set for SCSI drive installations. If the SCSI hard disk vendor’s instructions conflict with the instructions in this section, always use the instructions supplied by the vendor. Installing SCSI Drives Copyright © 2002 by LSI Logic Corporation. All rights reserved. 7-27...

  • Page 122: Terminating The Shared Scsi Bus

    Note: 7-28 Installing and Configuring Clusters Copyright © 2002 by LSI Logic Corporation. All rights reserved. Any devices that are not at the end of the shared bus must have their internal termination disabled.

  • Page 123: Chapter 8 Troubleshooting

    One of the hard drives in the array fails often. MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists the general problems that can occur, along with suggested Suggested Solution Check the system BIOS configuration for PCI interrupt assignments.
  • Page 124 Why does a failed logical array still get a drive assignment? Troubleshooting Copyright © 2002 by LSI Logic Corporation. All rights reserved. Suggested Solution Check the drives IDs on each channel to make sure each device has a different ID.

  • Page 125: Bios Boot Error Messages

    1 Logical Drive Failed A logical drive failed to sign on. BIOS Boot Error Messages Copyright © 2002 by LSI Logic Corporation. All rights reserved. describes BIOS error messages that can display when you Suggested Solution Enable the BIOS using the MegaRAID BIOS Configuration Utility.
  • Page 126 Channel x:a.b.c not responding on SCSI channel x. Troubleshooting Copyright © 2002 by LSI Logic Corporation. All rights reserved. Suggested Solution Make sure all physical drives are properly connected and are powered on. Run MegaRAID Manager to find if any physical drives are not responding.

  • Page 127: Other Bios Error Messages

    MEGASPI.SYS, the MegaRAID DOS ASPI manager, uses 6 Kbytes of system memory once it is loaded. Other BIOS Error Messages Copyright © 2002 by LSI Logic Corporation. All rights reserved. describes other BIOS error messages, their meaning, and Suggested Solution Reconfigure the array.
  • Page 128 The spacing of devices on the mainline SCSI bus should be at least three times the stub length. All signal lines shall be terminated once at both ends of the bus powered by the TERMPWR line. Troubleshooting Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 129 In some cases, Windows NT Setup repeatedly prompts to swap disks. Windows NT will recognize any devices attached to this adapter. 6. Repeat this step for each host adapter not already recognized by Windows NT Setup. Other Potential Problems Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 130: Troubleshooting

    Troubleshooting Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 131 The cable assemblies that interface with the 68-pin connector are: Flat ribbon or twisted pair cable for connecting internal Wide SCSI devices Round shielded cable for connecting external Wide SCSI devices MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 132 Pin 1 Pin 1 Pin 1 SCSI Cables and Connectors Copyright © 2002 by LSI Logic Corporation. All rights reserved. Connectors: 68 Position Plug (Male) AMP – 786090-7 Cable: Flat Ribbon or Twisted-Pair Flat Cable 68 Conductor 0.025 Centerline...
  • Page 133 SCSI devices is shown below. Pin 1 Pin 1 Pin 1 68-Pin High-Density SCSI Internal Connector Copyright © 2002 by LSI Logic Corporation. All rights reserved. Connector A: 68 Position Panel Mount Receptacle with 4-40 Holes (Female) AMP – 786096-7...
  • Page 134 (Type 2) SCSI connectors is shown below. 68 Position Connector Contact Number Table 1: Connector Contact Connection for Wide to Non-Wide Conversion SCSI Cables and Connectors Copyright © 2002 by LSI Logic Corporation. All rights reserved. 50 Position Connector Contact Number Open Open Open Pin 1...
  • Page 135 (Type 3) SCSI connectors is shown below. Pin 1 Pin 1 68-Pin High-Density SCSI Internal Connector Copyright © 2002 by LSI Logic Corporation. All rights reserved. Connector A: 68 Position Plug (Male) AMP– 749925-5 Connector B: 50 Position Plug (Male) AMP –...
  • Page 136 Table A.2 Table A.2 Manufacturer Fujitsu Honda SCSI Cables and Connectors Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists SCSI cable vendors, and contact information. SCSI Cable Vendors Telephone Number Voice: 800-826-7904 Fax: 800-331-2841 Voice: 800-877-1985 Voice: 714-835-1081 Voice: 800-659-1599 table lists SCSI connector vendors.
  • Page 137 TERMPWR TERMPWR Reserved Ground Ground High-Density 68-Pin Connector Pinout for SE SCSI Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists the pinout for the high-density 68-pin connectors for High-Density 68-Pin Connector Pinout (SE SCSI) Connector Cable Cable...
  • Page 138 -DB (8), -DB (9), -DB (10), -DB (11), -DB(12), -DB (13), -DB (14), -DB 15), and -DB (P1). All other signals should be connected as defined. Caution: SCSI Cables and Connectors Copyright © 2002 by LSI Logic Corporation. All rights reserved. High-Density 68-Pin Connector Pinout (SE SCSI) Connector Cable Cable...
  • Page 139 TERMPWR Reserved Ground +ATN Ground 68-Pin Connector Pinout for LVD SCSI Copyright © 2002 by LSI Logic Corporation. All rights reserved. lists the pinout for the 68-pin connector for LVD SCSI. 68-Pin Connector Pinout for LVD SCSI Connector Cable Cable...
  • Page 140 +DB(9) +DB(10) +DB(11) Note: A-10 SCSI Cables and Connectors Copyright © 2002 by LSI Logic Corporation. All rights reserved. 68-Pin Connector Pinout for LVD SCSI (Cont.) Connector Cable Cable The “connector pin” in the table refers to the conductor position when using flat-ribbon cable.
  • Page 141 MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved. Examples One or more drives in a RAID 0 configuration failed. Two or more drives in a RAID 1, or 5 configuration failed.
  • Page 142 Audible Warnings Copyright © 2002 by LSI Logic Corporation. All rights reserved.

  • Page 143: Appendix C Glossary

    (or not started.) If the data is not cached (a cache miss), it is fetched from main memory and saved in cache memory. MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 144 See also Array Spanning and Spanning. Disk Striping A type of disk array mapping. Consecutive stripes of data are mapped round-robin to consecutive array members. A striped array (RAID 0) Glossary Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 145 Gigabyte. Shorthand for 1,000,000,000 (10 to the ninth power) bytes. One Gbyte is equivalent to 1,000 Mbytes. Host-based A disk array with an array management software in its host computer Array rather than in a disk subsystem. Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 146 The conversion between multiple data addressing schemes, especially conversions between member disk block addresses and block addresses of the virtual disks presented to the operating environment by array management software. Glossary Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 147 High level protocols deal with the data formatting, including the message syntax, the terminal- to-computer dialogue, character sets, and sequencing of messages. Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 148 The percentage of CPU resources devoted to rebuilding. Reconstruct The act of remaking a logical drive after changing RAID levels or adding a physical drive to an existing array. Glossary Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 149 Hot Spare: Powered-on stand-by disk drive, ready for use if an online disk fails. Fail: Out of service, due to a fault occurring on the drive. Rebuild: Currently being rebuilt with data from a failed drive. Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 150 A resistor connected to a signal wire in a bus or network for impedance matching to prevent reflections—for example, a 50 ohm resistor connected across the end of an Ethernet cable. SCSI buses and some LocalTalk wiring schemes also require terminators. Glossary Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 151 A variant on the SCSI-2 interface. Wide SCSI uses a 16-bit bus, double the width of the original SCSI-1. Wide SCSI devices cannot be connected to a SCSI-1 bus. Like Fast SCSI, Wide SCSI supports transfer rates up to 20 Mbytes/s. Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 152 C-10 Glossary Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 153 Cluster Configuration Wizard 7-16 Cluster Disks Configuration 7-18 Cluster Installation Overview MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved. Validation 7-25 Cluster Node Network Adapter Configuration Cluster Service Assigning Drive Letters Cluster Node Network Adapter...
  • Page 154 I/O driver Initialization Install Cache Memory Install Drivers 6-21 Installation steps Custom IX-2 Index Copyright © 2002 by LSI Logic Corporation. All rights reserved. J10 External Battery Jumpers Setting Linux Red Hat Logical disk Logical drive Logical drive states Mapping...
  • Page 155 SCSI Bus 4-10 SCSI bus 4-10 SCSI bus widths and maximum throughput SCSI buses Index Copyright © 2002 by LSI Logic Corporation. All rights reserved. SCSI Cable Vendors SCSI cables Connecting SCSI cables and connectors SCSI channel SCSI Connector Vendors...
  • Page 156 Virtual sizing WebBIOS Configuration Utility 4-11 Wide SCSI Windows .NET 6-21 Windows 2000 6-21 Windows NT 6-21 Windows XP 6-21 Write-back caching 6-15 IX-4 Index Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 157 Thank you for your help in improving the quality of our documents. MegaRAID SCSI 320-2 Hardware Guide Copyright © 2002 by LSI Logic Corporation. All rights reserved.
  • Page 158 Name Telephone Title Department Company Name Street City, State, Zip Customer Feedback Copyright © 2002 by LSI Logic Corporation. All rights reserved. LSI Logic Corporation Technical Publications M/S E-198 Fax: 408.433.4333 Excellent Good Average ____ ____ ____...

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