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AHA-3980/3980W/3985/3985W User’s Guide
AHA-3980/3980W/3985/3985W User’s Guide
Stock Number: 510810-00, Rev. D Page: 9-4
Print Spec Number: 493479-00
Current Date: 3/1/99 ECN Date: 3/19/96
Changing the Priority of a Verification in Progress
If a verification is slowing other server operations unacceptably, you
can lower the priority of the verification on the server. You can also
speed a verification by increasing its priority. Change the priority at
either the Verify Menu or at the screen showing the Verify status bar:
■
From the Verify Menu, select
Change P
riority
. A prompt
appears, indicating the current priority and asking for the new
priority. Type a number from 0 through 9, where 0 is the lowest
priority.
■
From the Verify status bar screen, press
Esc
. From the menu
that appears, select
Change P
riority
. When prompted to select
a new priority, type a number from 0 through 9, where 0 is the
lowest priority.
Verification continues automatically, running at the new priority.
Testing Spare Disks
Routinely test any spare disks in an array—we recommend daily
testing. In this quick test, the Administrator utility sends a signal to
the spare and checks whether the disk responds. The test involves
no physical testing of the disk surface.
To test spare disks, use the Scheduler. Instructions are in
Scheduling
Tasks
on page 9-7.
Note:
If a test fails, the message Spare drive #
n
of
m
failed
Ready test appears onscreen. Verify that the drive has
power and that the cables are properly connected; then retry
the test. If the test still fails, the drive may have failed.
Reconstructing Data on a Replacement Disk
If you replace a failed disk in a mirrored or RAID 5 array, use the
Administrator utility to reconstruct the data on the replacement disk
(you cannot reconstruct data in a RAID 0 array). RAID 5 data is recon-
structed from the user and parity data on the good disks. RAID 1
data is copied from the other disk in the mirrored pair. Data is recon-
structed in the background, allowing you to continue working.
- 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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