Compex SCSI TO S-ATA RAID Guida Utente Scaricare il pdf (Pagina 22)

Chapter 3: About Your RAID Controller ● 22

About the Adaptec 2420SA

The Adaptec 2420SA is a SATA RAID controller with these features:

Note: A low-profile bracket is included with this controller. However, this controller may not fit in

all low-profile systems.

Bus compatibility PCI-X, 3.3 V

Bus width 64-bit

Bus speed 133 MHz

Standard cache

128 MB

256 MB also available

Maximum number of disk drives 4

SATA cables included 4

Battery backup module Adaptec Battery Module 500 (sold separately—see page 18)

Audible alarm Yes

Mounting bracket

Mode 0 Flash connector

Activity LED connector

I2C connector

SATA ports

PCI-X connector

Battery connector

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 108 109

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
CD drive 15
About Your RAID Controller 16
Array-level Features 17
Adding Enhanced Features 18
About the Adaptec 4000SAS 19
About the Adaptec 4800SAS 20
About the Adaptec 4805SAS 21
About the Adaptec 2420SA 22
About the Adaptec 2820SA 23
About the Adaptec 2130SLP 24
About the Adaptec 2230SLP 25
Getting Started 26
Choosing a RAID Level 27
Selecting Disk Drives 28
Selecting Cables 29
Installation Options 30
Basic Installation Steps 30
In this chapter 31
Before You Begin 32
Installing the Controller 32
SATA disk drives attached to 33
Disk drives on 34
Controller connected to 34
Connecting External Devices 35
Creating a Bootable Array 36
Setting the Boot Controller 37
Creating an Array 37
Making Your Array Bootable 40
Installing the Driver and an 41
Operating System 41
Creating a Driver Disk 42
Installing with Windows 43
Installing with Red Hat Linux 43
Installing with SuSE Linux 44
Installing with NetWare 44
Installing with OpenServer 45
Installing with UnixWare 45
Installing with FreeBSD 46
Installing on Windows 49
Installing on NetWare 49
Installing on OpenServer 50
Installing on UnixWare 50
Installing on Solaris 51
Installing on FreeBSD 51
Managing Your Storage Space 52
About Adaptec Storage Manager 53
Which Utility Should I Use? 54
Solving Problems 55
Troubleshooting Checklist 56
Silencing the Alarm 56
Resetting the Controller 58
SCSI (SAS) 59
What is SAS? 60
What’s a Phy? 61
What’s a SAS Port? 62
What’s a SAS Address? 62
What’s a SAS Connector? 62
What do SAS Cables Look Like? 63
Backplane Connections 64
SAS Expander Connections 64
Understanding RAID 66
Understanding Drive Segments 67
RAID 0 (Non-RAID Arrays) 67
RAID 1 Arrays 68
RAID 1 Enhanced Arrays 68
RAID 10 Arrays 69
RAID 5 Arrays 70
RAID 5EE Arrays 71
RAID 50 Arrays 72
RAID 6 Arrays 73
RAID 60 Arrays 73
Selecting the Best RAID Level 74
Creating a New Array 76
Initializing Disk Drives 77
Rescanning Disk Drives 77
Managing Existing Arrays 77
Secure Erasing Disk Drives 78
Opening a -Select Utility 78
Applying Changes and Exiting 78
General Controller Settings 79
Option Description 80
Viewing the Event Log 82
Using the ACU for DOS 83
Running the ACU Using Scripts 85
ACU /R <file> 86
Required 87
? Description 87
HotspareDrives=0:0:0,0:1:0 88
Type=Volume 88
Type=RAID1 88
ACU exits with an error 89
Keyword Description 90
ACU Error Codes 91
Sample Scripts 92
Running the Menu-based AFU 96
Running the 97
Environmental Specifications 103
DC Power Requirements 103
Current Requirements 103
Index ● 105 105
Index ● 106 106
Index ● 107 107
Index ● 108 108
Adaptec, Inc 109
691 South Milpitas Boulevard 109
Milpitas, CA 95035 USA 109

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Compex SCSI TO S-ATA RAID Guida Utente Pagina 22

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