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4-1
CHAPTER
4
StorEdge File Replicator
This chapter provides an overview of the StorEdge File Replicator.
4.1 Overview
The Sun StorEdge 5310 NAS data appliances provide fault-tolerant features such as
redundant hardware devices, extensive monitoring and notification of both software
and hardware components, checkpointing and controller and server Failover.
StorEdge File Replicator extends these capabilities to include mirroring. This section
provides an overview of the StorEdge File Replicator feature.
A discussion of the different types of mirroring is necessary to lay the groundwork
for a discussion of the StorEdge File Replicator mirroring implementation. Mirroring
implementations can be loosely categorized into 3 buckets:
■ Checkpoint (or Snapshot) Mirroring
■ Real-time (or Synchronous) Mirroring
■ Pseudo Real-time (or Asynchronous) Mirroring
Throughout this document, some standard terms are used and are defined as
follows:
- Sun StorEdge 1
- 5310 NAS 1
- Troubleshooting Guide 1
- Contents 3
- Contents v 5
- Contents vii 7
- Who Should Use This Book 16
- How This Manual is Organized 16
- Typographic Conventions 16
- Related Documentation 17
- Ordering Sun Documents 17
- Sun Welcomes Your Comments 18
- Troubleshooting Overview 19
- 1.3 Troubleshooting Tools 21
- 1.6.2.3 Collect general data 28
- 1.6.2.4 Collect specific data 28
- Software compatibility issues 29
- 1.6.2.7 Security Issues 30
- User access token 31
- Proc filesystem 32
- Network trace 32
- Client and Server data 33
- Duplication instructions 33
- List of Adapters 34
- Routing Table 34
- 1.6.2.10 Performance Issues 35
- 1.6.3 Log Error Messages 37
- 1.6.4 SYSLOG 37
- Time/date Severity 38
- LCD Display and syslog 38
- UPS Subsystem Errors 40
- UPS Error Messages 41
- File System Errors 42
- PEMS Events 42
- PEMS Error Messages 43
- 1.7 Maintenance Precautions 44
- 1.8.0.1 Grounding Procedure 45
- 1.8.0.2 Static Electricity 45
- NAS Head 47
- 2.2.1.1 Checklist 48
- 2.2.2 Resetting the Server 49
- Index to Problems 50
- Problems Starting Up 51
- Server Does Not Power On 51
- Bootup Beep Codes 52
- Power-On Self-Test (POST) 53
- Operating System not found 54
- 2.2.3.5 Problems with Network 55
- In Tools 56
- 2.4 Diagnosing System Errors 56
- 2.5 LEDs and Pushbuttons 57
- Server LEDs 58
- 2.5.1.1 Front Panel LEDs 59
- Front Panel LEDs 60
- Front Panel Pushbuttons 61
- 2.5.2 Rear Panel LEDs 62
- Rear Panel LEDs 63
- Critical Condition 64
- Non-Critical Condition 65
- Degraded Condition 65
- Power Supply Status LEDs 66
- (Redundant Power Supplies) 66
- Chapter 2 NAS Head 2-21 67
- 2.5.6 System ID LEDs 69
- 2.6 Power-On Self Test (POST) 70
- Chapter 2 NAS Head 2-25 71
- 2.6.2 POST Error Beep Codes 73
- BMC-Generated POST Beep Codes 74
- Chapter 2 NAS Head 2-29 75
- BIOS Recovery Beep Codes 76
- Examples of POST LED Coding 77
- Chapter 2 NAS Head 2-33 79
- Diagnostic LED Decoder 80
- Chapter 2 NAS Head 2-35 81
- 2.7 OS Operations 82
- Chapter 2 NAS Head 2-37 83
- 2.7.3 Upgrades 84
- 2.7.5 Proc filesystem 85
- 5310 NAS 86
- The Update Software Panel 87
- Sun StorEdge 5310 NAS 88
- 2.11 CIFS/SMB/Domain 89
- Cannot join Windows Domain 90
- Chapter 2 NAS Head 2-45 91
- Chapter 2 NAS Head 2-47 93
- Controller 95
- User maps are incorrect 97
- Chapter 2 NAS Head 2-53 99
- Chapter 2 NAS Head 2-55 101
- Chapter 2 NAS Head 2-57 103
- Chapter 2 NAS Head 2-59 105
- Can’t create new DTQ 106
- 2.12 NFS Issues 107
- Windows Domain mode) 109
- Workgroup mode) 110
- Windows. (Or vice versa.) 110
- Chapter 2 NAS Head 2-65 111
- 2.13 Network Issues 112
- Chapter 2 NAS Head 2-67 113
- Chapter 2 NAS Head 2-69 115
- 2.14 File System Issues 116
- Can’t write to file system 117
- Can’t delete checkpoints 119
- 2.15 Drive Failure Messages 120
- Log message: LUN critical 121
- Email alert: LUN critical 121
- Can’t delete a file 123
- Web GUI login failure 125
- Chapter 2 NAS Head 2-81 127
- Chapter 2 NAS Head 2-83 129
- Log message: Low Battery 131
- UPS Messages 131
- Status LED Indicators 133
- 2.20 Backup Issues 134
- Chapter 2 NAS Head 2-89 135
- Tape library not recognized 136
- Chapter 2 NAS Head 2-91 137
- 2.23 CIFS/SMB/Domain Issues 138
- Chapter 2 NAS Head 2-93 139
- How do I create SMB shares? 140
- Chapter 2 NAS Head 2-95 141
- Chapter 2 NAS Head 2-97 143
- ■ MAP_NONE—No Mapping 144
- Chapter 2 NAS Head 2-99 145
- Chapter 2 NAS Head 2-101 147
- Chapter 2 NAS Head 2-103 149
- 2.24 NIS/NIS+ Issues 150
- Chapter 2 NAS Head 2-105 151
- What is port aggregation? 152
- Chapter 2 NAS Head 2-107 153
- What is IP aliasing? 154
- How do I set up IP aliasing? 154
- 2.26 Quota Configuration 155
- Chapter 2 NAS Head 2-111 157
- Chapter 2 NAS Head 2-113 159
- How do I disable quotas? 160
- 2.27 Checkpoint Configuration 161
- How do I set up checkpoints? 162
- Chapter 2 NAS Head 2-117 163
- How do I disable checkpoints? 164
- Chapter 2 NAS Head 2-119 165
- How do I create a volume? 166
- Chapter 2 NAS Head 2-121 167
- Chapter 2 NAS Head 2-123 169
- 2.30 NFS Issues 170
- Chapter 2 NAS Head 2-125 171
- Chapter 2 NAS Head 2-127 173
- Chapter 2 NAS Head 2-129 175
- How do I set up SMTP (email)? 176
- Chapter 2 NAS Head 2-131 177
- How do I set up NTP or RDATE? 179
- Chapter 2 NAS Head 2-135 181
- Chapter 2 NAS Head 2-137 183
- Chapter 2 NAS Head 2-139 185
- Chapter 2 NAS Head 2-141 187
- Chapter 2 NAS Head 2-143 189
- StorEdge? 191
- 2.33 Macintosh Connectivity 192
- Chapter 2 NAS Head 2-147 193
- 2.35.1 SCSI ID Settings 194
- 2.36 StorEdge File Replicator 195
- Data Distribution 196
- Chapter 2 NAS Head 2-151 197
- Configuration 198
- Mirror Promoted on host 199
- Waiting on host, link is down 199
- Storage Arrays 201
- 3.1.1.2 Controllers 202
- 3.1.1.3 Controller Battery 202
- 3.1.1.4 Controller Memory 203
- 3.1.1.5 Drives 204
- 3.1.1.6 Fans 205
- 3.1.1.7 Power Supplies 206
- 3.1.1.9 Tray ID Switch 207
- 3.1.2 Using the Array 208
- 3.1.2.2 Turning On the Power 209
- Power Supply Switches 210
- Chapter 3 Storage Arrays 3-11 211
- ■ Yes - Go to step 6 212
- ■ No - Go to step 5 212
- Chapter 3 Storage Arrays 3-13 213
- Chapter 3 Storage Arrays 3-15 215
- Chapter 3 Storage Arrays 3-17 217
- Chapter 3 Storage Arrays 3-19 219
- Alarm Mute Button 220
- Chapter 3 Storage Arrays 3-21 221
- ■ Yes - Go to step 4 222
- ■ Yes - Go to step 7 222
- Chapter 3 Storage Arrays 3-23 223
- Chapter 3 Storage Arrays 3-25 225
- ■ A fan failures 226
- ■ A blocked air vent 226
- Chapter 3 Storage Arrays 3-27 227
- Chapter 3 Storage Arrays 3-29 229
- Setting the Tray ID Switch 230
- 3.3.1 Upgrade Requirements 231
- 3.3.1.1 Upgrade Methods 232
- Replace One Drive at a Time 233
- Chapter 3 Storage Arrays 3-35 235
- Chapter 3 Storage Arrays 3-37 237
- Chapter 3 Storage Arrays 3-39 239
- Chapter 3 Storage Arrays 3-41 241
- ■ Yes - Go to step 14 242
- Chapter 3 Storage Arrays 3-43 243
- Enterprise Management Window 245
- Array Management Window 245
- Device Tree 247
- Device Table 248
- Chapter 3 Storage Arrays 3-49 249
- Array Management Window Tabs 250
- Array Management Window Menus 252
- Chapter 3 Storage Arrays 3-53 253
- Toolbar Button Description 254
- Menu Description 254
- 3.3.6.4 Protecting Your Data 255
- 3.3.6.5 Software Redundancy 255
- Volume Copy 256
- Remote Volume Mirroring 256
- Snapshot Volumes 256
- Chapter 3 Storage Arrays 3-57 257
- RAID Level Configurations 258
- 3.3.6.7 Hardware Redundancy 260
- Hot Spare Drives 261
- Background Media Scan 261
- Channel Protection 262
- 3.3.6.9 Password Protection 263
- Volume Groups 265
- 3.3.6.12 Standard Volumes 266
- Chapter 3 Storage Arrays 3-67 267
- 3.3.6.13 Mappings View 268
- Mappings View Tab 269
- Volume-to-LUN Terminology 269
- Chapter 3 Storage Arrays 3-73 273
- 3.3.6.15 Heterogeneous Hosts 274
- Heterogeneous Hosts Example 275
- Chapter 3 Storage Arrays 3-77 277
- Data Replication 281
- Chapter 3 Storage Arrays 3-83 283
- Storage Array Health 284
- Storage Array Status Icons 285
- Event Monitor 286
- Event Monitor Configuration 287
- Event Monitor Example 288
- Chapter 3 Storage Arrays 3-89 289
- Problem Notification 290
- Chapter 3 Storage Arrays 3-91 291
- Recovery Guru Window Example 293
- Chapter 3 Storage Arrays 3-95 295
- 1. Start the SMclient 296
- Chapter 3 Storage Arrays 3-97 297
- 3.5 Updating ESM Firmware 299
- StorEdge File Replicator 301
- Standard Terms 302
- 4.1.1 Real-time Mirroring 303
- Write ordering on the Mirror 305
- 4.1.4 Mirroring Variations 307
- 4.1.4.2 One-to-Many Mirroring 308
- 4.2 Operational State 309
- 4.2.1 Mirror Creation 310
- 4.2.2 Mirror Replication 311
- 4.2.3 Mirror Sequencing 312
- Clustering 315
- Checkpoints/Snapshots 317
- 6.1.2 Checkpoint Lifecycle 319
- 6.1.2.2 Active Checkpoint 320
- 6.1.2.4 Checkpoint Deletion 325
- After Deleting ckpti+1 326
- 6.1.2.5 Checkpoint Scheduling 327
- Accessing Checkpointed Data 328
- Accessing .chkpnt in UNIX 329
- Compatibility Issues 330
- 6.1.4 StorEdge cp Command 333
- 7.1 Tools and Supplies Needed 337
- Removing the Cover 339
- 7.6 NAS Head FRU Replacement 340
- Procedures 340
- 7.6.1 Opening the Front Bezel 341
- 7.6.2 Memory 342
- 7.6.3 Power Supply Unit 343
- Replacing the Power Supply 344
- 7.6.4 Fan Module 345
- Removing the Fan Module 346
- 7.6.6 Gigabit Ethernet Card 349
- 7.6.9 LCD Display Module 353
- 7.6.10 Flash Disk Module 354
- The Flash Disk 356
- Flash Disk 356
- 7.6.11 System FRU (Super FRU) 358
- 7.7.1 Replacing a Controller 359
- 7.7.1.2 Procedure 360
- ■ Yes - Go to step 12 362
- 7.7.2.1 Tools and Equipment 365
- 7.7.2.2 Procedure 366
- ■ Yes - Go to step 18 371
- ■ No - Go to step 21 371
- 7.7.3 Replacing a Drive 372
- ■ Yes - Go to step 3 373
- Replacing a Drive 374
- 7.7.4 Replacing a Fan 375
- Replacing a Fan 376
- 7.7.5.1 Tools and Equipment 377
- 7.7.5.2 Procedure 377
- Replacing a Power Supply 379
- 7.7.6.1 Tools and Equipment 380
- 7.7.6.2 Procedure 380
- Replacing an SFP Transceiver 381
- ■ No - Go to step 18 382
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