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Chapter 9: Troubleshooting
297
Enclosure
Overheat
Overheating is a potentially serious condition because the
excessively high temperatures can lead to disk drive failure and
controller malfunction.
Overheating usually results from:
• Fan failure
• Poor air circulation around the enclosure
Fan Failure
On VessRAID, there are two kinds of fans:
• Power supply fan
• RAID Controller fan
If a power supply fan fails, you must replace the power supply.
If a RAID Controller fan fails, you can replace it onsite. See
page 226.
Air Circulation
Air circulation around the VessRAID enclosure may be a more
complex problem. Use the thermometer icons to help you locate
the specific hot spot. Check for these conditions:
• Accumulated dust or objects blocking the fans
• Less than a minimum of 5 inches (13 cm) space between the
back of the VessRAID and the wall or other object
• Ambient temperature above 95°F (35°C) where the
VessRAID is operating
Cooling Down the Enclosure
To cool down a VessRAID enclosure:
• Correct any problems identified above
• Power down the VessRAID and let it sit for an hour or longer
- VessRAID 1
- Copyright 2
- Trademarks 2
- Recommendations 2
- Contents 11
- About This Manual 17
- VessRAID Overview 18
- Architectural Description 19
- Features and Benefits 19
- Operational Features 20
- Management 21
- Specifications 22
- CE Statement 24
- FCC Statement 24
- KCC Statement 24
- Unpacking the VessRAID 25
- Mounting VessRAID in a Rack 29
- Installing Disk Drives 31
- Installing Your Disk Drives 32
- Configuring a Data Path 34
- Configuring a Management Path 34
- Connecting the Power 37
- Chapter 3: VessRAID Setup 41
- Default IP Address 42
- Setting up with the CLI 43
- Setting up with the CLU 44
- Making Automatic IP Settings 45
- Setting up with the LCD 46
- Logging into WebPAM PROe 48
- Choosing a Language 50
- Automatic 51
- Advanced 53
- Logging out of WebPAM PROe 54
- Selecting a Language 59
- Using the Header 61
- Using Tree View 62
- Using Management View 63
- Viewing the Event Frame 63
- Viewing Other Subsytems 65
- Logging into a Subsystem 65
- Hiding the Other Subsystems 65
- Working with Subsystems 66
- Viewing the Runtime Event Log 67
- Saving the Runtime Event Log 68
- Viewing NVRAM Events 68
- Saving NVRAM Events 69
- Running Background Activities 71
- Running Media Patrol 71
- Viewing Scheduled Activities 72
- Scheduling an Activity 72
- Deleting a Scheduled Activity 73
- Viewing Lock Status 74
- Setting the Lock 74
- Renewing the Lock 74
- Making Your Own User Settings 77
- Changing Your Own Password 78
- Creating a User 79
- Viewing User Sessions 80
- Logging out Other Users 80
- Managing Storage Services 84
- Viewing the LUN Map 85
- Enabling LUN Masking 85
- Adding a LUN Map 85
- Editing a LUN Map 86
- Managing Software Services 87
- Adding Trap Sinks 91
- Deleting Trap Sinks 91
- Deleting Netsend Recipients 93
- Changing the Startup Setting 93
- Stopping Netsend service 93
- Exporting the User Database 94
- Importing a User Database 94
- Monitoring the Shutdown 99
- Starting Up After Shutdown 100
- Restarting the Subsystem 101
- Managing the Controller 102
- Viewing Controller Statistics 103
- Making Controller Settings 103
- Clearing an Orphan Watermark 104
- Managing Enclosures 106
- Viewing Enclosure Information 107
- Viewing Enclosure Topology 107
- Making Enclosure Settings 108
- Viewing FRU VPD Information 108
- Checking the Battery 109
- Reconditioning a Battery 110
- Silencing the Buzzer 110
- Making Buzzer Settings 110
- Testing the Buzzer 111
- Managing Physical Drives 112
- Adjustable Items 114
- Clearing Statistics 114
- Locating a Physical Drive 116
- Figure 8. Disk Status LED 117
- Disk Status 117
- Managing UPS Units 118
- Making UPS Settings 119
- Viewing UPS Information 120
- Managing Disk Arrays 121
- Step 1 – Disk Array Creation 124
- Deleting a Disk Array 126
- Making Disk Array Settings 127
- Creating a Logical Drive 128
- Deleting a Logical Drive 129
- Migrating a Disk Array 129
- Rebuilding a Disk Array 130
- Rebuilding Automatically 131
- Rebuilding Manually 131
- Running PDM on a Disk Array 132
- Transitioning a Disk Array 132
- Managing Logical Drives 134
- Logical Drive Status 135
- Logical Drive Synchronization 135
- Making Logical Drive Settings 136
- Initializing a Logical Drive 136
- Running Redundancy Check 137
- Table Definitions 139
- Managing Spare Drives 140
- Creating a Spare Drive 141
- Deleting Spare Drive 142
- Making Spare Drive Settings 142
- Running Spare Check 143
- Initial Connection 146
- Making a Telnet Connection 147
- Logging In 147
- Accessing Online Help 149
- Exiting the CLU 149
- Logging Out of the CLI 149
- Running Quick Setup 150
- Managing the Subsystem 151
- Resetting the Lock 152
- Releasing the Lock 152
- Locating the Controller 154
- Controller Status 155
- Managing the Enclosure 156
- Locating a Power Supply 157
- Viewing Cooling Unit Status 157
- Viewing Voltage Sensor Status 157
- Checking the Batteries 158
- Locating an Enclosure 159
- Setting an Alias 162
- Viewing Advanced Information 162
- Accepting an Incomplete Array 169
- Enabling PDM on a Disk Array 170
- Running PDM 172
- Locating a Disk Array 172
- Deleting a Spare Drive 177
- Setting Read Cache Policy 179
- Locating a Logical Drive 180
- Making Automatic Settings 181
- Making Manual Settings 181
- Managing SAS Connections 182
- Viewing SAS Port Statistics 183
- Viewing SAS Initiators 183
- Adding a SAS Initiator 183
- Managing Background Activity 184
- Working with the Event Viewer 186
- Clearing NVRAM Events 187
- Working with LUN Mapping 188
- Mapping a LUN to an Initiator 189
- Deleting an Initiator 189
- Managing Users 193
- Changing a User’s Password 194
- Deleting a User 195
- Making Email Settings 196
- Making Web Server Settings 197
- Making SLP Settings 197
- Making Telnet Settings 198
- Making SNMP Settings 198
- Managing SNMP Trap Sinks 199
- Making Netsend Settings 200
- Managing Netsend Recipients 200
- Deleting a Recipient 201
- Netsend Requirements 201
- Flashing through TFTP 202
- Restoring Factory Defaults 203
- Shutting Down the Subsystem 204
- Using the LCD Panel 211
- Perusing the Interface 212
- Advanced Mode 213
- Limitations 213
- Viewing Events 213
- Manual IP Settings 214
- Automatic IP Settings 215
- Figure 2. Disk Status LED 221
- Verifying 223
- Creating a Disk Array 223
- Locating a a Disk Array 226
- Locating a a Logical Drive 230
- Locating a Spare Drive 232
- Chapter 7: Maintenance 235
- Updating the Firmware 238
- Replacing a Power Supply 240
- Replacing a RAID Controller 241
- Replacing a Cooling Fan 242
- Replacing the Cache Battery 244
- Replacing the Memory Module 246
- Introduction to RAID 249
- RAID 0 – Stripe 250
- RAID 1 – Mirror 251
- RAID 1E – Enhanced Mirror 252
- RAID 10 – Mirror / Stripe 255
- RAID 50 Axles 257
- RAID 60 Axles 259
- Choosing a RAID Level 260
- Choosing Stripe Size 263
- Choosing Sector Size 263
- Cache Policy 264
- Read Cache Policy 265
- Write Cache Policy 265
- Adaptive Writeback Cache 265
- Capacity Coercion 266
- Initialization 267
- Hot Spare Drive(s) 267
- RAID Level Migration 268
- Media Patrol 275
- PDM Triggers 276
- Transition 277
- Automatic Transition 279
- Manual Transition 279
- Chapter 9: Troubleshooting 281
- LEDs Display Amber or Red 282
- Disk Drive LEDs 283
- LCD Panel 284
- Controller LEDs 284
- CLU Reports a Problem 286
- Checking a Reported Component 287
- WebPAM PROe Reports a Problem 288
- LCD Panel Reports a Problem 291
- Viewing a Report from OPAS 291
- Event Notification Response 293
- When a Physical Drive Fails 306
- With a Hot Spare Drive 307
- Without a Hot Spare Drive 307
- Rebuild Operation 308
- Incomplete Array 309
- Physical Drive Problems 310
- Enclosure Problems 312
- Connection Problems 315
- Network Connections 316
- Chapter 10: Support 319
- Contacting Technical Support 321
- Technical Support Services 322
- United States 322
- The Netherlands 322
- Attn: Technical Support 324
- Limited Warranty 325
- Your Responsibilities 326
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