Compaq 3100ES - Smart Array RAID Controller User's Guide download pdf (Page 148)

Compaq Smart Array 431 Controller User Guide

Why do the drive activity lights light up on some drives when my

system is idle?

The Smart Array 431 Controller performs several different background

activities on the drives when the controller is otherwise idle. For

example, the Auto Reliability Monitoring task scans fault tolerant

volumes for defects and verifies the consistency of parity data. The

Drive Parameter Tracking task periodically checks the performance of

all drives on the controller, normally on an hourly basis.

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User Guide 1
Part Number 146915-001 1
Compaq Computer Corporation 1
Contents 3
Chapter 2 4
Chapter 3 4
Chapter 4 4
Chapter 5 5
Chapter 6 5
Chapter 7 5
Appendix A 6
Appendix B 7
Appendix C 7
Appendix D 7
Appendix E 7
Appendix F 8
Appendix G 8
Appendix H 8
About This Guide 9
Symbols in Text 10
Symbols on Equipment 11
Getting Help 11
Compaq Technical Support 12
Compaq Website 12
Compaq Authorized Reseller 12
Features 13
Smart Array 431 Controller 15
Fault Tolerance 16
Drive Movement 17
Read-Cache Memory 17
SCSI Support 17
Array Configuration Utilities 18
Features 1-7 19
Installation Preparation 20
Option Kit Contents 21
Guidelines 22
Installation 23
Drive Considerations 24
Changing the Fault Tolerance 25
Moving Drives Offline 26
Updating the Firmware 27
ROMPaq Diskettes 28
Running System ROMPaq 29
Running Options ROMPaq 30
Updating the Firmware 3-5 31
Information 33
Preparing the Server 34
SCSI Port Utilization 35
SCSI Termination 36
SCSI IDs 36
Non-Hot-Plug Drives 37
External SCSI Connections 38
External Cables 38
Non-Offset VHDCI 39
Offset VHDCI 39
External Cabling Instructions 40
Completing the Installation 41
Chapter 43
Materials Needed 44
Creating Diskettes 44
Starting the System 45
Configuration Utility 45
Configuring the Controller 46
Functionality 48
Restrictions 48
Creating a Logical Drive 49
Array Configuration Utility 50
Before You Begin 51
Windows NT 52
Configuration Wizards 53
Online Help 53
Creating a New Array—Example 54
Figure 6-7. Example Array A 57
Capacity Expansion 60
Capacity Extension 63
Size Migration Procedure 66
Size Migration -- Example 66
Menu Bar 68
Controller Selection Box 69
More Information Button 70
Drive View Buttons 70
Controller Buttons 71
Array Buttons 71
Logical Drive Buttons 72
Create Array Screen 73
Create Logical Drive Screen 74
Stripe Size 76
Auto-configuration 77
Custom Configuration 77
Expand an Array 79
Add or Configure Spare Drives 79
Handling Disk Drive Failures 81
Novell NetWare 84
Additional Information 85
Installation Procedure 85
(CPQONLIN) 86
Microsoft Windows NT 4.0 87
Windows NT 4.0 89
A:\setup 91
SCO OpenServer 5 92
Accessing the Information 93
SCO UnixWare 2.1 or Later 94
IBM OS/2 95
Installation Procedures 96
Controller Ordering 97
Partitioning 98
Command Line Switches 99
BASEDEV=CPQARRAY.ADD /V 100
BASEDEV=CPQARRAY.ADD /A:2 /I 100
Updating the Compaq Insight 101
Manager Agents 101
Regulatory Compliance Notices 102
Class A Equipment 103
Class B Equipment 103
Modifications 104
European Union Notice 105
Japanese Notice 105
Electrostatic Discharge 106
Grounding Methods 107
Specifications 108
Table C-2 109
Understanding Drive Arrays 110
Figure D-2 111
Drive Arrays 113
Logical Drives 113
Drive Array Benefits 114
Table D-1 115
RAID Level Characteristics 115
DATADATADATA 116
P = Parity 116
WAR2-053.AI, 9-3.EPS 116
Drive Mirroring (RAID 1) 117
No Fault tolerance (RAID 0) 118
DATADATADATADATA 119
Optimized Request Management 120
Adding Storage Capacity 121
Disk Drive Capacity Upgrades 124
Data Reliability 125
Drive Parameter Tracking 126
Drive Failure Alert Features 126
Interim Data Recovery 126
Automatic Data Recovery 127
Hot-Pluggable Drives 127
Controller Duplexing 130
POST Error Messages 141
Questions and Answers 147
Index 3 151
Index 5 153
Index 7 155
Index 9 157
Index 11 159
Index 13 161

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