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AHA-3980/3980W/3985/3985W User’s Guide
Stock Number: 510810-00, Rev. D Page: 4-1
Print Spec Number: 493479-00
Current Date: 3/1/99 ECN Date: 3/19/96
4-1
4
▼ ▼ ▼ ▼
Understanding the
AHA-398x Adapter
Adaptec’s AHA-398x adapter is a multichannel PCI-to-SCSI RAID
adapter for disk arrays. As a host adapter, the AHA-398x provides
the interface between your computer’s PCI bus and your SCSI
drives. As a RAID adapter, the AHA-398x lets you create and oper-
ate arrays of SCSI disks. The AHA-398x has special onboard features
that speed many RAID read and write operations.
Multiple Independent Channels
Each AHA-3980/3980W adapter has two SCSI channels: A and B.
Each AHA-3985/3985W adapter has three channels: A, B, and C.
Each channel functions
as an independent RAID adapter.
The AHA-3980 and AHA-3985 are 8-bit adapters. Each channel on
these adapters supports up to seven 8-bit Fast SCSI devices. The
AHA-3980W and AHA-3985W are 16-bit adapters. Each channel on
these adapters supports up to 15 SCSI devices. All 15 devices can be
16-bit, or you can combine 8-bit and 16-bit devices. If you combine
devices, a maximum of seven can be 8-bit devices.
The channels have the following connectors:
■
Channel A: One internal and one external SCSI connector
■
Channel B: One internal SCSI connector
■
Channel C (AHA-3985/3985W only): One internal SCSI
connector
- AHA-3980/3980W/3985/3985W 1
- AHA-3980/3980W 3
- /3985/3985W 3
- GO ADAPTEC 4
- Contents 7
- PART 2: Setting Up Arrays 8
- PART 3: Managing Arrays 9
- Print Spec Number: 493479-00 10
- 11 Initializing Arrays 11
- 14 Using a CD-ROM Drive 12
- A Hardware Troubleshooting 12
- B Software Error Messages 12
- C Glossary of RAID Software 12
- Getting Started 13
- System Requirements 14
- Using This Document 15
- Helvetica Italics 16
- WARNING: 16
- Learning the Basics 17
- Array Basics 19
- Disk Requirements 21
- Capacities 22
- Understanding the Adaptec 23
- RAID Software 23
- The Administrator Utility 24
- The Adaptec CI/O Software 24
- The Copy Drivers Utility 25
- Understanding the 27
- AHA-398x Adapter 27
- The SCSI 29
- Configuration Utility 29
- NetWare and DOS Support 29
- Supported SCSI Devices 30
- Setting Up Arrays 31
- Installing the AHA-398x 33
- AHA-398x Layout 34
- Connecting SCSI Devices 37
- Choosing SCSI Cables 39
- Internal SCSI 40
- Colored Stripe 40
- External SCSI Cable 42
- External SCSI Connector 42
- External 43
- SCSI Cable 43
- External SCSI Device 43
- SCSI Cables 43
- Terminating the SCSI Bus 44
- Terminating Channel A 46
- LED Connector J6 48
- LED Cable 48
- Installing Multiple Adapters 49
- 3980note.txt 52
- Preparing a Boot Device and 53
- Installing Drivers 53
- Configuration Utility 55
- Copying Drivers 60
- NetWare 3.11 61
- NetWare 3.12 61
- NetWare 4.xx 63
- Displaying Array Information 66
- Replacing an Array Drive 68
- Initializing an Array 68
- Managing Arrays 71
- The Main and System Menus 75
- Selecting Menu Options 77
- Grayed Menu Options 78
- Getting Help 78
- Monitoring Array 79
- Performance 79
- Monitoring Array Performance 81
- Displaying Volume Information 82
- The Log File 86
- Assigning a Priority 88
- Testing Spare Disks 90
- Canceling Reconstruction 92
- Scheduling Tasks 93
- Using the Hardware Functions 95
- Changing Array 99
- Configurations 99
- Caution: 101
- Adding a Spare Disk 104
- RAID 5 CVT 105
- Canceling a Conversion 107
- Deleting an Array 108
- Deinstalling NLMs 108
- Directory 109
- Initializing Arrays 111
- Choosing the Data Block Size 112
- Reinitializing an Array 112
- Working from a Remote 115
- Workstation 115
- Administrator Utility 116
- Administrator Utility Data 117
- Advanced Hardware Topics 119
- Configuring the Adapter 121
- Basic Channel Settings 122
- SCSI Parity Checking 123
- Host Adapter SCSI Termination 123
- Initiate Sync Negotiation 123
- Maximum Sync Transfer Rate 124
- Enable Disconnection 124
- Send Start Unit Command 125
- Include in BIOS Scan 125
- Starting SCSI 126
- Using SCSI 127
- Exiting SCSI 127
- Listing SCSI IDs 131
- Formatting a SCSI Disk 131
- Verifying a Disk 132
- Using a CD-ROM Drive 133
- Hardware Troubleshooting 139
- Startup Diagnostics 140
- BIOS Startup Messages 141
- ParseDriverParameters 144
- Using SCSI Drives as C and D 147
- Other Problems and Solutions 148
- Software Error Messages 151
- Glossary of RAID Software 155
- NetWare Loadable Modules 156
- Other Files 158
- ▼ ▼ ▼ ▼ 159
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