Adaptec SAS/SATA/SCSI RAID Controllers Manuel d'utilisateur Page 16
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Chapter 3: About Your RAID Controller ● 16
Standard RAID Controller Features
● Flash ROM for updates to controller firmware, BIOS, and the Adaptec RAID
Configuration utility
● Disk drive hot-swapping
● Event logging and broadcasting including email and SNMP messages
● Multiple options for creating and managing RAID arrays—A full software application
(Adaptec Storage Manager), a BIOS-based utility, a command line utility, and a DOS
utility. See Managing Your Storage Space on page 55 for more information.
● (SAS and SATA RAID controllers only) Native command queuing (NCQ), which lets disk
drives arrange commands into the most efficient order for optimum performance
● (SATA and SCSI RAID controllers only) Support for disk drive enclosures with SAF-TE
enclosure management hardware
● (SAS RAID controllers only) Support for disk drive enclosures with SES2 enclosure
management hardware
● Some RAID controllers support adding a battery backup module (see page 17).
Array-level Features
Note:
For more information, refer to the Adaptec Storage Manager User’s Guide for Internal RAID
Storage
or online Help.
● Support for RAID 0, RAID 1, RAID 5, RAID 10, RAID 50
1
, simple volumes, and spanned
volumes
● Support for hot spares (global and dedicated)
●
Support for automatic failover, so arrays are automatically rebuilt when a failed disk drive is
replaced (applies to redundant arrays in SES2- or SAF-TE-enabled disk drive enclosures
only
)
● Optimized disk utilization, which ensures that the full capacity of all disk drives can be
used, even if the disk drives vary in size
●
Online capacity expansion, so you can increase the capacity of an array without recreating it
● Support for array migration from one RAID level to another
Advanced Data Protection Suite
● Copyback Hot Spare—You can use this feature to move data from a hot spare back to its
original location after a failed disk drive is replaced.
● Striped Mirror (RAID 1E)—A RAID 1 Enhanced array is similar to a RAID 1 array except
that data is both mirrored and striped, and more disk drives can be included.
● Hot Space (RAID 5EE)—A RAID 5EE array is similar to a RAID 5 array except that it
includes a distributed spare and must be built from a minimum of four disk drives.
● Dual Drive Failure Protection (RAID 6)—A RAID 6 array is similar to a RAID 5 array
except that it includes two independent sets of parity data instead of one.
1
The Adaptec 2420SA RAID controller supports RAID 0, 1, 10, 5, 50, simple, and spanned volumes.
- Installation and User’s Guide 1
- Copyright 2
- Trademarks 2
- Disclaimer 2
- Adaptec Customer Support 3
- Canadian Compliance Statement 5
- Contents 6
- Safety Information 10
- Technical Specifications 10
- About This Guide 11
- How to Find More Information 12
- Kit Contents and System 13
- Requirements 13
- Kit Contents 14
- System Requirements 14
- About Your RAID Controller 15
- Array-level Features 16
- Adding Enhanced Features 17
- About the Adaptec 4000 18
- About the Adaptec 4800SAS 19
- 256 MB also available 19
- About the Adaptec 4805SAS 20
- About the Adaptec 2420SA 21
- About the Adaptec 2820SA 22
- About the Adaptec 2130SLP 23
- About the Adaptec 2230SLP 24
- Getting Started 25
- Choosing a RAID Level 26
- Selecting Disk Drives 27
- Selecting Cables 28
- SATA Cables 29
- SCSI Cables 29
- Installation Options 30
- Basic Installation Steps 30
- In this chapter 31
- Before You Begin 32
- Installing the Controller 32
- Connecting External Devices 35
- Next Steps 36
- Creating a Bootable Array 37
- Setting the Boot Controller 38
- Creating an Array 38
- Making Your Array Bootable 41
- Installing the Driver and an 42
- Operating System 42
- Creating a Driver Disk 43
- Installing with Windows 44
- Installing with Red Hat Linux 44
- Installing with SUSE Linux 45
- Installing with NetWare 45
- Installing with OpenServer 46
- Installing with Solaris 46
- Installing with UnixWare 47
- Installing with VMWare 47
- Installing with FreeBSD 47
- Installing on Windows 51
- Installing on NetWare 51
- Installing on OpenServer 52
- Installing on Solaris 52
- Installing on UnixWare 53
- Installing on VMWare 53
- Installing on FreeBSD 53
- Managing Your Storage Space 55
- About Adaptec Storage Manager 56
- Which Utility Should I Use? 57
- Solving Problems 58
- Troubleshooting Checklist 59
- Silencing the Alarm 59
- Resetting the Controller 61
- In this appendix 62
- ) Web site at www.scsita.org 62
- What is SAS? 63
- What’s a Phy? 64
- What’s a SAS Port? 65
- What’s a SAS Address? 65
- What’s a SAS Connector? 65
- What do SAS Cables Look Like? 65
- Direct-attach Connections 66
- Backplane Connections 66
- SAS Expander Connections 67
- Understanding RAID 69
- Understanding Drive Segments 70
- Nonredundant Arrays (RAID 0) 70
- RAID 1 Arrays 71
- RAID 1 Enhanced Arrays 71
- RAID 10 Arrays 72
- RAID 5 Arrays 73
- RAID 5EE Arrays 74
- RAID 50 Arrays 75
- RAID 6 Arrays 76
- RAID 60 Arrays 76
- Selecting the Best RAID Level 77
- Using the Adaptec RAID 78
- Configuration Utility 78
- Running the ARC Utility 79
- Managing Existing Arrays 80
- Initializing Disk Drives 80
- Rescanning Disk Drives 80
- Secure Erasing Disk Drives 81
- Opening a -Select Utility 81
- Applying Changes and Exiting 81
- General Controller Settings 82
- Option Description 83
- Viewing the Event Log 85
- Running the ACU Using Scripts 88
- About Record Mode 89
- Required 90
- ? Description 90
- HotspareDrives=0:0:0,0:1:0 91
- Type=Volume 91
- Type=RAID1 91
- ACU exits with an error 92
- Keyword Description 93
- ACU Error Codes 94
- Sample Scripts 95
- Running the Menu-based AFU 99
- Running the 100
- Electrostatic Discharge (ESD) 104
- Environmental Specifications 106
- DC Power Requirements 106
- Current Requirements 106
- Index ● 108 108
- Index ● 109 109
- Index ● 110 110
- Index ● 111 111
- Adaptec, Inc 112
- 691 South Milpitas Boulevard 112
- Milpitas, CA 95035 USA 112
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