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SCSI Device Problems
SCSI Device Problems
Overview
If you are having trouble with a SCSI device, such as an internal
disk drive, or a tape drive in an expansion box, locate the
problem in the next sections. For specific information about your
SCSI device, refer to the documentation that was shipped with
your system, or in the case of an option, with the option kit.
Internal Disk
Drive Not
Working
If you are having problems with an installed disk drive, see
Table 13–18. Do not set any of the SCSI device ID numbers to 7.
This number is used for the SCSI controller on the system.
Table 13–18 Installed Disk Drive Problems
Possible Cause Corrective Action
Two SCSI identifiers are set
to the same number.
Enter the
show device
command as
described earlier in this chapter. If a
drive is not recognized, reset each SCSI
ID to a unique number. (See the option
documentation for more information on
setting SCSI IDs for optional devices.)
Loose cables. Check to make sure all cables are
connected.
Defective drive. Refer to Chapter 14 for information on
running diagnostic tests.
Software on
Disk Drive
Does Not Boot
If you know that the operating system is installed on the disk
drive that you are trying to boot, but you cannot bring it up, see
Table 13–19.
13–24 Identifying a Problem
- Owner’s Guide 1
- Contents 3
- 4 Installing a Server System 4
- 6 Starting Up Your System 4
- 7 Turning Off Your System 5
- 8 Maintaining Your System 5
- Part II Advanced Operations 5
- 9 Using Console Commands 5
- 12 Using an Alternate Console 6
- Part III Handling Problems 6
- 13 Identifying a Problem 6
- 14 Running Diagnostic Tests 7
- Part IV Appendixes 7
- A Hardware Specifications 7
- B Port Pin-outs 7
- C Associated Documents 7
- Purpose of 15
- This Guide 15
- Structure of 15
- Conventions 16
- Task Symbols 17
- Categories 18
- Basic Operations 19
- Introduction to Your System 21
- System Configurations 22
- Overview of the System 23
- Highlights 24
- Operating Systems 25
- Description 27
- You May Have 27
- Factory-Installed 27
- Software 27
- Graphics Capabilities 28
- Audio Capabilities 30
- Available Options 31
- Choosing a Location 34
- Requirements 35
- What to Avoid 35
- Customizing Your Work Area 36
- Adjust your chair so that 37
- Parts Used for 39
- Installation 39
- MLO-011247 40
- Unpacking a Server System 41
- A Closer Look at Your System 43
- Back of the 44
- Connecting the Workstation 53
- Step 3: Monitor 56
- Video Cable to 56
- Step 4: Monitor 57
- Power Cord to 57
- Ethernet 58
- Step 6: SCSI 59
- Terminator 59
- Keyboard/Mouse 60
- Cable to 60
- MLO-010362 61
- MLO-010980 62
- MLO-008601 63
- Step 11: Power 64
- Step 12: 64
- Step 13: Printer 65
- Checking Your Installation 67
- Installing a Server System 71
- Connecting the Server 75
- Step 2: SCSI 76
- Check the 78
- Determine 78
- Switch Position 78
- Yellow Label 79
- Step 4: System 80
- Step 5: Power 81
- Step 6: Modem 81
- Step 7: Printer 82
- Step Action 88
- Step 3: Sliding 89
- Overview 90
- MLO-008604 91
- Connection 92
- Ethernet Cable 93
- Transceiver 93
- MLO-011209 94
- MLO-011210 95
- After Cable 96
- Connections 96
- Two Network 96
- Settings 96
- If the Test Fails 98
- Contact Your 98
- Administrator 98
- Starting Up Your System 99
- Before You Begin 100
- Turning On the System 101
- Workstation 102
- Procedure 102
- Server Startup 102
- MLO-008602 103
- Reviewing the Startup Display 104
- 6–8 Starting Up Your System 106
- For information 106
- ZK−3620A−GE 108
- Log In to Your 110
- Starting Up Your System 6–13 111
- Where to Go Next 112
- Turning Off Your System 113
- Shutting Down the System 115
- Turn Off the 116
- Hardware 116
- Halting the System 117
- Pressing the 118
- Halt Button 118
- Turning Off Your System 7–7 119
- Returning to 120
- Program Mode 120
- Maintaining Your System 121
- Liquid on the 123
- System Unit 123
- Accidental 123
- Spills on the 123
- Keyboard 123
- Cleaning the Monitor 124
- Cleaning the Mouse 124
- When to Clean 125
- Advanced Operations 127
- Using Console Commands 129
- Modes of System Operation 131
- Console Mode User Interface 132
- Console Commands 134
- The boot Command 137
- For the... Refer to the 138
- 9–10 Using Console Commands 138
- Using Console Commands 9–11 139
- Example: 140
- TURBOchannel 140
- Commands 140
- The continue Command 141
- The halt Command 141
- The help Command 142
- The help advanced Command 143
- The set or setenv Command 144
- The show or printenv Command 145
- The test Command 146
- Chapter Overview 147
- Startup Action Parameter 151
- Device Naming Conventions 153
- Task Overview 162
- Step Description 163
- Step 3: Release 165
- Driveplate 165
- Step 4: Move 166
- Step 5: Move 167
- Secure System 167
- Step 6: Replace 168
- Step 7: Replace 169
- Drive Cable and 169
- Thumbscrews 169
- MLO-010361 170
- Entering a Password 171
- Enabling System Security 172
- Using the login Command 173
- Forgetting the Password 174
- If You Make an 176
- Using an Alternate Console 177
- When to Use 179
- Connect a 180
- Terminal or 180
- Step 2: Change 181
- Console Switch 181
- Part III 183
- Identifying a Problem 185
- Determining Type of Problem 188
- Identifying a Problem 13–5 189
- Startup Problems 190
- Diagnostic 191
- Lights Display 191
- Error Code 191
- No Startup 192
- Error in Startup 193
- Startup Errors 193
- If ?? appears next to 194
- 13–10 Identifying a Problem 194
- Boot Failure 195
- 13–12 Identifying a Problem 196
- Elements in the 199
- 13–16 Identifying a Problem 200
- Test Name Device Tested 201
- Identifying a Problem 13–17 201
- Error Message 202
- Element Description 202
- 13–18 Identifying a Problem 202
- Identifying a Problem 13–19 203
- Display Problems 204
- Distorted 205
- Display on 205
- No Display on 206
- Mouse and Keyboard Problems 207
- SCSI Device Problems 208
- Network Problems 210
- Running Diagnostic Tests 213
- Using the test 217
- Single Test 217
- Multiple Test 218
- Diagnostic Test 218
- Running Diagnostic Tests 14–7 219
- Initializing Your 221
- Note: Another 222
- Way to Initialize 222
- Your System 222
- Display Lights 223
- Location 223
- Console Mode Display 224
- Program Mode Display 224
- Digital Support 226
- Center Contact 226
- Installing 227
- Loopback 227
- Connectors and 227
- Terminators 227
- 10BASE-T 228
- Connector 228
- Alternate 229
- Console/Printer 229
- Handling Problems Worksheet 231
- DEC 3000 AXP 232
- Appendixes 233
- Hardware Specifications 235
- System Specifications 236
- Specifications 237
- Environmental 238
- Limitations 238
- International 240
- Power Cord 240
- Part Numbers 240
- Port Pin-outs 241
- Pin Description 242
- B–2 Port Pin-outs 242
- MLO-008585 243
- Communications Port Pin-outs 244
- External SCSI Port 245
- Keyboard/Mouse or Tablet Port 247
- AUI Ethernet Port 248
- ISDN Port 250
- 10BASE-T Port 251
- Audio Port 252
- Associated Documents 253
- Associated Printed Documents 254
- OpenVMS AXP Documentation 255
- DEC OSF/1 AXP Documentation 256
- Documentation 257
- Appendix Overview 259
- Service Categories 260
- Host Power Rating 261
- Module Isolation 262
- Safety Status 263
- Cable Approval 263
- Pin-Outs 264
- Supported Cables 265
- Circuit (PTT) 265
- Glossary 267
- Glossary–2 268
- Glossary–3 269
- Glossary–4 270
- Glossary–5 271
- Glossary–6 272
- Glossary–7 273
- Glossary–8 274
- Glossary–9 275
- Glossary–10 276
- Glossary–11 277
- Glossary–12 278
- Glossary–13 279
- Glossary–14 280
- Glossary–15 281
- Glossary–16 282
- Glossary–17 283
- Glossary–18 284
- Glossary–19 285
- Glossary–20 286
- Glossary–21 287
- Glossary–22 288
- Glossary–23 289
- Glossary–24 290
- Glossary–25 291
- Glossary–26 292
- Glossary–27 293
- Glossary–28 294
- Glossary–29 295
- Glossary–30 296
- Glossary–31 297
- Glossary–32 298
- Glossary–33 299
- Glossary–34 300
- Glossary–35 301
- TURBOchannel test 309
- Technical Support 311
- Electronic Orders 311
- BUSINESS REPLY MAIL 314
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