Hp Compaq Integrated Smart Array Controller Manuel d'utilisateur Page 90
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6-22 Compaq Integrated Smart Array Controller User Guide
Compaq Confidential – Need to Know Required
Writer: CDresden Project: Compaq Integrated Smart Array Controller User Guide Comments:
Part Number: 153236-001 File Name: g-ch6 Compaq Array Configuration Utility.doc Last Saved On: 8/27/99 11:25 AM
Configuration Procedures
Creating a New Array
This section provides instructions for creating or modifying new arrays after
you have installed your operating system. If you are configuring a new array,
the configuration wizard leads you through the process. If you want to bypass
the wizard, use the following procedures to create your array.
Creating a new array involves the following general steps:
■ Choosing a controller for the array
■ Grouping physical drives of the same size into an array
■ Subdividing the array into one or more logical drives
The following example illustrates how to use the Array Configuration Utility
to create a new array.
For this example, make the following assumptions:
■ Array A contains at least one physical drive that has been configured as
a logical drive and contains the operating system.
CAUTION: Do not modify the logical drive that contains the operating system.
Modifying this drive can result in loss of data.
■ Four 9.1-GB drives and two 4.3-GB drives are connected to the
Integrated Smart Array Controller. The operating system is not installed
on any of these drives.
■ Two new arrays will be configured. Array B consists of three 9.1-GB
drives with the fourth 9.1-GB drive used as a spare. Array C contains
the two 4.3-GB drives.
■ The fault-tolerance method for all logical drives on Array B is RAID 5,
Distributed Data Guarding. The fault-tolerance method for all logical
drives on Array C is RAID 1, Drive Mirroring.
- User Guide 1
- Part Number 153236-001 1
- Compaq Computer Corporation 1
- Contents 3
- Chapter 2 4
- Chapter 3 4
- Chapter 4 4
- Chapter 5 4
- Chapter 6 5
- Appendix A 6
- Appendix B 6
- Appendix C 7
- About This Guide 9
- Symbols in Text 10
- Symbols on Equipment 10
- Rack Stability 11
- Getting Help 12
- Compaq Website 13
- Compaq Authorized Reseller 13
- Controller Features 15
- Controller Interface 16
- Drive Array Technology 17
- Fault Tolerance 18
- Drive Movement 18
- Read-Cache Memory 18
- Wide Ultra2 SCSI Technology 19
- Configuration Utilities 20
- Controller 23
- External Cabling 25
- External Cables 26
- Configuring the Controller 28
- Updating Firmware 29
- ROMPaq Diskettes 30
- Running System ROMPaq 31
- Running Options ROMPaq 33
- Option ROM Configuration 35
- Initial Start Screen 36
- Create Logical Drive Screen 37
- Confirmation Screen 38
- Before Installing Drivers 42
- Materials Needed 42
- Operating Systems 43
- (PAS) Diskettes 44
- C:\DIR\SPXXXX.exe 45
- A:\README 45
- Novell NetWare 46
- Installation Procedure 47
- Microsoft Windows NT 4.0 49
- README.BAT 50
- A:\README.BAT 50
- A:\SETUP 51
- Microsoft Windows 2000 54
- SmartStart 55
- The Internet 55
- Installing the Driver 56
- SCO OpenServer 5 57
- Compaq SCO OpenServer 5 58
- SCO OpenServer 5 (Non-Compaq) 58
- SCO UnixWare 2.1 or Later 59
- IBM OS/2 60
- Controller Ordering 62
- Partitioning 63
- Controller Drive 63
- Command Line Switches 64
- BASEDEV=CPQARRAY.ADD /A:2 /I 65
- Banyan VINES 7.0 or Later 66
- Before You Begin 70
- Running the Compaq 70
- Array Configuration Utility 70
- ACU Online 71
- Microsoft Windows NT 71
- Configuration Wizards 72
- Online Help 72
- Main Configuration Screen 73
- Menu Bar 74
- Controller Selection Frame 75
- More Information Bar 76
- Drive View Buttons 76
- Controller Buttons 76
- Array Buttons 77
- Logical Drive Button 77
- Controller Settings Screen 78
- Create Drive Array Screen 79
- Array Accelerator Frame 81
- Stripe Size 81
- Table 6-1 82
- Stripe Size Fault Tolerance 82
- Autoconfiguration 82
- Custom Configuration 83
- Drive Rebuild 85
- Priority Settings 86
- Accelerator Ratio 86
- Expand an Array 86
- Add or Configure Spare Drives 86
- ■ Interim Recovery 87
- ■ Ready for Recovery 87
- Handling Disk Drive Failures 88
- Configuration Procedures 90
- Grouping Physical Drives 92
- Figure 6-20. Example Array B 93
- Expanding Capacity 97
- Capacity Extension 100
- Extending Logical Drives 101
- Online Migration 102
- Online Stripe Size Migration 103
- Errors and Warnings 104
- Electrostatic Discharge 105
- Grounding Methods 106
- Understanding Drive Arrays 107
- Drive Arrays 110
- Logical Drives 110
- Drive Array Benefits 111
- Table B-1 112
- RAID Level Characteristics 112
- P = Parity 113
- Drive Mirroring and Striping 114
- (RAID 1 and RAID 0+1) 114
- No Fault Tolerance (RAID 0) 115
- Online Spares 115
- Performance Enhancement 116
- Optimized Request Management 117
- Bus Master Data Transfers 118
- Adding Storage Capacity 119
- ■ Hot-plug hard drives 121
- Data Reliability 122
- Dynamic Sector Repairing 123
- Drive Parameter Tracking 123
- Drive Failure Alert Features 123
- Interim Data Recovery 123
- Automatic Data Recovery 124
- Hot-Plug Drives 124
- Recovering from Drive Failure 126
- Recognizing a Drive Failure 127
- Replacing a Failed Drive 129
- Compromised Fault Tolerance 131
- Questions and Answers 133
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