Adaptec Workstation x2100 Guía de instalación

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Sun Microsystems, Inc.
www.sun.com
Submit comments about this document by clicking the Feedback[+] link at: http://docs.sun.com
Sun StorageTek
SAS RAID HBA
Installation Guide
Eight-Port, External HBA
Model SG-XPCIESAS-R-EXT-Z
Part No. 820-1260-15
November 2009, Revision A
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Indice de contenidos

Pagina 1 - Installation Guide

Sun Microsystems, Inc.www.sun.comSubmit comments about this document by clicking the Feedback[+] link at: http://docs.sun.comSun StorageTek™SAS RAID H

Pagina 2

x Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 3 - Contents

82 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009RAID 6 ArraysA RAID 6 array—also known as dual drive failure

Pagina 4

Appendix F Selecting the Best RAID Level 83RAID 60 ArraysSimilar to a RAID 50 array (see “RAID 50 Arrays” on page 80), a RAID 60array—also known as du

Pagina 5 - Contents v

84 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Migrating RAID LevelsAs your storage space changes, you can

Pagina 6

85APPENDIXGIntroduction to Serial Attached SCSIThis section provides a basic overview of the main features of Serial Attached SCSI(SAS), introduces so

Pagina 7 - Contents vii

86 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Terminology Used in This AppendixFor convenience, SAS HBAs a

Pagina 8

Appendix G Introduction to Serial Attached SCSI 87About SAS Device CommunicationSAS devices communicate with each other through links. A link is a phy

Pagina 9 - Contents ix

88 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Phys are internal, within SAS connectors (see “About SAS Con

Pagina 10

Appendix G Introduction to Serial Attached SCSI 89About SAS ConnectorsA SAS or mini-SAS connector is the physical plug or receptacle that you see on a

Pagina 11

90 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009where X is the count number.Note – Devices other than disk d

Pagina 12

Appendix G Introduction to Serial Attached SCSI 91The number of end devices is limited to the number of slots available on thebackplane. For example,

Pagina 13

xiFiguresFIGURE 1-1 Sun StorageTek SAS RAID External HBA Component Layout 4FIGURE 2-1 External SAS Cable (SFF-8088 Connector) Used to Connect to an Ex

Pagina 14

92 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009FIGURE G-2 SAS Expander ConnectionsDifferences Between SAS a

Pagina 15 - Using UNIX Commands

Appendix G Introduction to Serial Attached SCSI 93This table describes many of the main differences between the two interfaces.TABLE G-1 Differences b

Pagina 16 - Training

94 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 17 - Sun Welcomes Your Comments

95APPENDIXHDeclaration of Conformity, Safety,and Regulatory StatementsThis appendix provides Declaration of Conformity, safety, and regulatory stateme

Pagina 18

96 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 19 - HBA Overview

97Declaration of ConformityTo receive a copy of the latest Declaration of Conformity (DoC) for the product, either contact yourlocal Sun sales represe

Pagina 20 - HBA Features

98 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 21 - Component Layout

99Safety Agency ComplianceStatementsRead this section before beginning any procedure. Thefollowing text provides safety precautions to follow wheninst

Pagina 22 - Feature Specification

100 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Caution – Not all power cords have the samecurrent ratings.

Pagina 23 - Requirements

Safety Agency Compliance Statements 101System Unit CoverYou must remove the cover of your Sun computer systemunit to add cards, memory, or internal st

Pagina 24 - System Interoperability

xii Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 25 - Storage System Support

102 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009 Ce produit est destiné à être utilisé dans des zones àacc

Pagina 26 - Software Support

Safety Agency Compliance Statements 103système. Assurez-vous de le brancher dansune prise d'alimentation mise à la terre prèsdu système et facile

Pagina 27 - Precautions

104 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Attention – L'utilisation de contrôles et deréglages o

Pagina 28

Safety Agency Compliance Statements 105Anschluss des NetzkabelsAchtung – Sun-Geräte sind fürStromversorgungssysteme mit einemgeerdeten neutralen Leite

Pagina 29 - Installation Task Map

106 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009 Reduzierter Luftstrom - Die Installation des Geräts inein

Pagina 30 - ■ ESD wrist strap

Safety Agency Compliance Statements 107Encendido – Suministra alimentación de CAal sistema.Apagado – Corta la alimentación de CA delsistema.Espera – E

Pagina 31 - Installing the BBU

108 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009descritas en el manual de servicio delproducto. No desmonte

Pagina 32 - SPARC System

Safety Agency Compliance Statements 109DanmarkAdvarsel! – Litiumbatteri — Eksplosionsfareved fejlagtig håndtering. Udskiftning må kunske med batteri a

Pagina 33 - Installing the HBA

110 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 34

111Regulatory Compliance StatementsYour Sun product is marked to indicate its compliance class:• Federal Communications Commission (FCC) — USA• Indust

Pagina 35 - Testing the HBA Installation

xiiiTablesTABLE 1-1 Sun StorageTek SAS RAID External HBA Features 4TABLE 1-2 Supported Operating System Versions 5TABLE 1-1 Supported Servers 7TABLE 1

Pagina 36

112 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009GOST-R Certification Mark

Pagina 37

113IndexAACUcreating arrays, 50creating bootable arrays, 51initializing disk drives, 52managing arrays, 51rescanning disk drives, 52secure erasing dis

Pagina 38

114 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Ddirect-attach connections, 90disk drivesconnecting to SAS

Pagina 39

Index 115requirements, 6drive, 10rescanning disk drives, 52Runtime BIOS setting, 54SSAS4-wide ports, 88backplane connections, 90comparison to parallel

Pagina 40 - Removing the Hardware

116 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 41 - ▼ To Remove the HBA

xiv Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 42

xvPrefaceThis installation guide explains how to install the eight-port, external SunStorageTekTMSAS RAID HBA (referred to in this document as Sun Sto

Pagina 43 - Operating System

xvi Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Related DocumentationThe following table lists the document

Pagina 44 - Linux OS

Preface xviiThird-Party Web SitesSun is not responsible for the availability of third-party web sites mentioned in thisdocument. Sun does not endorse

Pagina 45

xviii Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 46

1CHAPTER1HBA OverviewThis chapter provides an overview of the eight-port, external Sun StorageTek SASRAID HBA (referred to in this document as Sun Sto

Pagina 47 - Known Issues

PleaseRecycleCopyright © 2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, California 95054, U.S.A. All rights reserved.U.S. Government R

Pagina 48 - Performance Issues

2 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009HBA FeaturesThe external Sun StorageTek SAS RAID HBA (SG-XPCI

Pagina 49 - Impacts Performance

Chapter 1 HBA Overview 3 Support for array migration from one RAID level to anotherAdvanced Data Protection Suite Copyback Hot-Spare—You can use thi

Pagina 50 - In the HBA

4 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009FIGURE 1-1 Sun StorageTek SAS RAID External HBA Component Lay

Pagina 51 - JBOD Issues

Chapter 1 HBA Overview 5Operating System and TechnologyRequirementsThis HBA supports, at a minimum, the following operating system and technologyversi

Pagina 52

6 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Note – For up-to-date operating system version support, visit

Pagina 53 - Chapter 4 Known Issues 35

Chapter 1 HBA Overview 7Server SupportTABLE 1-1 lists the servers that the HBA supports.Storage System SupportThe HBA supports the following storage s

Pagina 54

8 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009 Sun Storage J4400 Sun Storage J4500Software SupportTABLE 1

Pagina 55 - Configuration Rules

9CHAPTER2Hardware Installation and RemovalThis chapter explains how to install and remove the Sun StorageTek SAS RAIDExternal HBA, and how to connect

Pagina 56

10 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009 Always use a properly fitted and grounded wrist strap or o

Pagina 57 - HBA Specifications

Chapter 2 Hardware Installation and Removal 11FIGURE 2-1 External SAS Cable (SFF-8088 Connector) Used to Connect to an ExternalHard Disk Drive Enclosu

Pagina 58 - Performance Specifications

iiiContentsPreface xv1. HBA Overview 1Kit Contents 1HBA Features 2Array-Level Features 2Advanced Data Protection Suite 3Component Layout 3Operating Sy

Pagina 59 - Connector Pin Definitions

12 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 20094. Install the HBA driver.See “Installing the Driver on an E

Pagina 60 - SATA Pin-Out

Chapter 2 Hardware Installation and Removal 13FIGURE 2-2 Installing the BBU5. Place a spacer over each screw.The BBU connector on the HBA is between t

Pagina 61 - SATA Power Pin-out

14 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009b. With the Phillips head screw driver, reach underneath the

Pagina 62

Chapter 2 Hardware Installation and Removal 15Installing the HBANote – For the Sun SPARC Enterprise T5120, T5220, T5140, and T5240 servers,contact Sun

Pagina 63

16 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009FIGURE 2-4 Installing the Sun StorageTek SAS RAID External H

Pagina 64 - Configuration Utility

Chapter 2 Hardware Installation and Removal 17Testing the HBA InstallationThis section contains the following subsections: “To Test the HBA Installat

Pagina 65 - Conditions

18 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Note – When you run this command, omit /disk from the HBA de

Pagina 66

Chapter 2 Hardware Installation and Removal 195. To display additional configuration information, list the device properties byusing the .properties c

Pagina 67

20 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009▼ To Test the HBA Installation on an x64 System1. Power-up t

Pagina 68 - ▼ To Start Using the ACU

Chapter 2 Hardware Installation and Removal 214. Press Enter as prompted.5. Verify that all attached HDDs are detected by the HBA:a. At the Main Menu,

Pagina 69 - ■ Delete an array

iv Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Installing the Battery Backup Module 12▼ To Install the Batt

Pagina 70

22 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009d. Press Esc to exit.If any issues were discovered, correct

Pagina 71 - Settings

Chapter 2 Hardware Installation and Removal 23▼ To Remove the HBA1. Remove the retention mechanism (screw, clip, and so on) that is securing theHBA br

Pagina 72 - General HBA Settings

24 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 73 - Select Utility

25CHAPTER3Installing the Driver on an ExistingOperating SystemThis chapter describes how to install the HBA driver on an existing operatin system.The

Pagina 74 - With the Disk Utilities

26 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Installing the Driver on an Existing OSThe driver can be ins

Pagina 75

Chapter 3 Installing the Driver on an Existing Operating System 272. Mount the CD.For example, to insert and mount a CD:Red Hat:mount /dev/cdrom /mnt/

Pagina 76

28 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009▼ To Install the Driver on VMware TechnologyNote – The embed

Pagina 77

29CHAPTER4Known IssuesThis chapter contains the latest supplementary information for the precedingchapters in this guide. Specific Change Request (CR)

Pagina 78

30 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009BIOS Utility IssuesThe following are known issues with the B

Pagina 79 - Troubleshooting

Chapter 4 Known Issues 31 “Cannot Access the HBA From the GUI Nor Access a LUN From the Host” onpage 33ZFS Forces a Flush of the NVRAM on the HBAWhen

Pagina 80 - Silencing the Alarm

Contents vBIOS Utility Issues 30Creating an Array With the BIOS Utility Changes the BIOS Boot Order 30Hot-Plug Functionality Does Not Work in the BIOS

Pagina 81 - Appendix D Troubleshooting 63

32 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009The System Freezes When a Sun Storage 32GBSLC SATA Solid Sta

Pagina 82

Chapter 4 Known Issues 33Cannot Access the HBA From the GUI Nor Accessa LUN From the HostCR 6820225Workaround: Reboot the host system on which the HBA

Pagina 83 - Best Practices

34 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009During System Boot Time, JBOD AffiliationsCause HBA Inoperab

Pagina 84 - Making New Connections

Chapter 4 Known Issues 35

Pagina 85 - Failure Conditions

36 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 86 - Failures

37APPENDIXAConfiguration RulesThis appendix provides configuration rules for the Sun StorageTek SAS RAIDExternal HBA.Note – Use only Sun-approved devi

Pagina 87 - Order of Logical Drives

38 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Note – Mixing SATA and SAS HDDs in the same logical RAID arr

Pagina 88 - RAID Logical Devices

39APPENDIXBHBA SpecificationsThis appendix provides specifications for the Sun StorageTek SAS RAID ExternalHBA. The appendix contains the following se

Pagina 89 - Appendix E Best Practices 71

40 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Environmental SpecificationsNote – With a Battery Backup Uni

Pagina 90

Appendix B HBA Specifications 41 Physical layer: Consists of two sets of differential lines, one receive set and onetransmit set [4-wire total]. This

Pagina 91

vi Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009SATA Pin-Out 42C. Using the BIOS RAID Configuration Utility

Pagina 92 - Nonredundant Arrays (RAID 0)

42 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009SATA Pin-OutThe Serial ATA [SATA] bus is defined over two se

Pagina 93 - RAID 1 Arrays

Appendix B HBA Specifications 43TABLE B-4 SATA Power Pin-outPin# Signal Name Signal Description1 V33 3.3v Power2 V33 3.3v Power3 V33 3.3v Power, Pre-c

Pagina 94 - RAID 1 Enhanced Arrays

44 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 95 - RAID 10 Arrays

45APPENDIXCUsing the BIOS RAID ConfigurationUtilityThe BIOS RAID Configuration utility is a BIOS-based utility that you can use tocreate and manage co

Pagina 96 - RAID 5 Arrays

46 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Introduction to the BIOS RAIDConfiguration UtilityThe BIOS R

Pagina 97 - RAID 5EE Arrays

Appendix C Using the BIOS RAID Configuration Utility 47 The hard disk drive to be removed must not be a part of a logical device (its statusmust be ‘

Pagina 98 - RAID 50 Arrays

48 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Running the BIOS RAID ConfigurationUtilityThis section descr

Pagina 99 - RAID 50 Array

Appendix C Using the BIOS RAID Configuration Utility 49Using the ACU to Create and ManageArraysYou can use the ACU, a tool of the BIOS RAID Configurat

Pagina 100 - RAID 6 Arrays

50 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009▼ To Start Using the ACU1.Toopen the ACU, start the BIOS RAI

Pagina 101 - Selecting the Best RAID Level

Appendix C Using the BIOS RAID Configuration Utility 51▼ To Manage Existing Arrays With the ACU1. Select Manage Arrays from the main ACU menu.2. From

Pagina 102 - Migrating RAID Levels

Contents vii▼ To Identify a Disk Drive With the Disk Utilities 58Viewing the BIOS-Based Event Log 59▼ To View the BIOS-Based Event Log 59D. Troublesho

Pagina 103 - APPENDIX

52 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009▼ To Initialize Disk Drives With the ACUIf a disk drive is d

Pagina 104 - About SAS

Appendix C Using the BIOS RAID Configuration Utility 53▼ To Stop a Secure Erase in Progress With the ACU1. In the main ACU window, select Secure Erase

Pagina 105 - About Phys

54 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009▼ To Modify General HBA Settings With a -SelectUtilityNote –

Pagina 106 - About SAS Addresses

Appendix C Using the BIOS RAID Configuration Utility 55▼ To Modify SAS-Specific HBA Settings With a -Select UtilityIn addition to the general settings

Pagina 107 - About SAS Cables

56 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Formatting and Verifying Disk DrivesWith the Disk UtilitiesY

Pagina 108 - About SAS Connection Options

Appendix C Using the BIOS RAID Configuration Utility 571. Start the BIOS RAID Configuration utility.See “Running the BIOS RAID Configuration Utility”

Pagina 109 - SAS Expander Connections

58 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009▼ To Identify a Disk Drive With the Disk UtilitiesYou can id

Pagina 110 - SAS DomainSAS Domain

Appendix C Using the BIOS RAID Configuration Utility 59Viewing the BIOS-Based Event LogThe BIOS-based event log records all firmware events, such as c

Pagina 111

60 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 112

61APPENDIXDTroubleshootingThis appendix provides basic troubleshooting information and solutions for solvingHBA problems. The appendix contains the fo

Pagina 113

viii Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Replacing an HBA On a SPARC System 71Replacing an HBA On a

Pagina 114

62 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Silencing the AlarmAn alarm will sound when an error occurs.

Pagina 115 - Declaration of Conformity

Appendix D Troubleshooting 63 If copyback is enabled—Data is automatically moved back to its original locationonce the HBA detects that the failed dr

Pagina 116

64 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Multiple Failures in the Same ArrayExcept in RAID 6 and RAID

Pagina 117 - Statements

65APPENDIXEBest PracticesThis appendix provides information about how to best use the Sun StorageTek SASRAID HBA to improve your overall user experien

Pagina 118 - Battery Warning

66 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 20091. Run the arcconf getversion command at a terminal window.A

Pagina 119 - Mesures de sécurité

Appendix E Best Practices 67Pulling a Cable and Reconnecting It To the SamePortWait at least two minutes between pulling a cable and reconnecting it t

Pagina 120 - Conformité SELV

68 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Best Practices For Deleting LogicalVolumes Without Deleting

Pagina 121 - Périphériques CD et DVD

Appendix E Best Practices 69Typing this command causes the failed drive to return to a ready state in the GUI.Best Practices For Rescanning orDiscover

Pagina 122 - Vorschriften

70 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 20092. Verify whether the logical drive of the RAID card is the

Pagina 123 - Anweisungen zur Rack-Montage

Appendix E Best Practices 71Replacing an HBA On a SPARC SystemUpon replacing an existing HBA card with a new card on a SPARC system, the newcard autom

Pagina 124 - Normativas de seguridad

Contents ixBackplane Connections 90SAS Expander Connections 91Differences Between SAS and Parallel SCSI 92H. Declaration of Conformity, Safety, and Re

Pagina 125

72 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009

Pagina 126 - Laser Klasse 1

73APPENDIXFSelecting the Best RAID LevelWhen you create arrays (or logical drives) for the Sun StorageTek SAS RAID ExternalHBA, you can assign a RAID

Pagina 127

74 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009Understanding Drive SegmentsA drive segment is a disk drive

Pagina 128

Appendix F Selecting the Best RAID Level 75FIGURE F-1 RAID 0 ArrayRAID 1 ArraysA RAID 1 array is built from two disk drives, where one disk drive is a

Pagina 129 - FCC Class B Notice

76 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009FIGURE F-2 RAID 1 ArrayRAID 1 Enhanced ArraysA RAID 1 Enhanc

Pagina 130 - GOST-R Certification Mark

Appendix F Selecting the Best RAID Level 77FIGURE F-3 RAID 1 Enhanced ArrayRAID 10 ArraysA RAID 10 array is built from two or more equal-sized RAID 1

Pagina 131

78 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009FIGURE F-4 RAID 10 ArrayRAID 5 ArraysA RAID 5 array is built

Pagina 132

Appendix F Selecting the Best RAID Level 79FIGURE F-5 RAID 5 ArrayRAID 5EE ArraysA RAID 5EE array—also known as a hot space—is similar to a RAID 5 arr

Pagina 133 - Index 115

80 Sun StorageTek SAS RAID HBA Installation Guide Eight-Port, External HBA • November 2009In this figure, S represents the distributed spare, P repres

Pagina 134

Appendix F Selecting the Best RAID Level 81Drive segment size is limited to the size of the smallest disk drive in the array. Forexample, three 250 GB

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