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26 Chapter 2 HDLM Functions
You can specify the load balancing function from the Options window of the HDLM GUI or by
the dlnkmgr command's set operation. For details on how to use the window components,
see section
4.2.8 or 6.3. For details on the set operation, see section 7.6.
Note: Some I/O operations managed by HDLM can be distributed across all paths, and some
cannot. Thus, you should be aware that even when you use the load balancing function, I/O
operations cannot always be allocated uniformly across all paths.
When using MSCS, depending on the micro-program of the storage system, you may not be
able to use the load balancing function. For more details, see the hardware notes provided
with HDLM.
- MK-92DLM129-13 1
- Trademarks 3
- Notice of Export Controls 4
- Document Revision Level 4
- Preface 5
- Referenced Documents 6
- Comments 6
- Contents 7
- List of Figures 14
- List of Tables 15
- Chapter 1 Overview of HDLM 17
- 1.1 What is HDLM? 18
- HiCommand 19
- Systems User’s Guide 3 19
- EMC CX series 19
- HP EVA series 19
- 1.2 HDLM Features 20
- 1.3 HDLM GUI Overview 21
- 1.3.3 About the Help Window 23
- Chapter 2 HDLM Functions 25
- 2.1 Devices Managed by HDLM 26
- 2.2 System Configuration 27
- IP addresses 30
- Other settings 30
- 2.3 LU Configuration 31
- 2.4 Program Configuration 33
- Universal Storage Platform V 40
- Systems User’s Guide 25 41
- 2.7.1.1 Automatic Failover 43
- 2.7.1.2 Automatic Failback 45
- 2.7.2 Manual Path Switching 46
- 2.11 Error Management 59
- 2.11.1 Collected Logs 60
- 2.12 Cluster Support 64
- >dlnkmgr view -sys –sfunc 65
- 3.1 System Requirements 68
- 3.1.1 Applicable Models 68
- 3.1.1.1 Applicable Hosts 68
- Systems User’s Guide 53 69
- 3.1.3 Related Programs 70
- 3.1.3.4 Using the HDLM GUI 71
- 3.1.4.1 Memory Requirements 71
- 3.1.4.2 Disk Requirements 72
- 3.3 HDLM Installation Types 74
- 3.4.4 Notes on Windows 77
- 3.5 Setting up HDLM 82
- Systems User’s Guide 67 83
- Figure 3.2 Options Window 83
- >dlnkmgr set -elfs 1000 92
- >dlnkmgr set -elfn 5 93
- >dlnkmgr set -systfs 2000 94
- >dlnkmgr set -systfn 10 95
- 3.6 Installing HDLM 97
- Log files 99
- Notes on installation 99
- Legend: 100
- 3.6.2.3 Log file 101
- :\hdlm_license 102
- Entering the license key 123
- 3.6.6 Installing JRE 125
- :\Program 128
- 3.9 Uninstalling HDLM 130
- 3.9.3 Uninstalling HDLM 131
- Chapter 4 HDLM Operation 139
- Source: mpio 140
- Event ID: 20 140
- Disaster Recovery Facility 141
- 4.3.8 Updating the License 160
- -xx yyyy/mm/dd hh:mm:ss 161
- Intentional Path Deletion 173
- Chapter 5 Troubleshooting 177
- AutoPATH_IDs are re 180
- >dlnkmgr online 186
- Chapter 6 GUI Reference 193
- 6.1 HDLM GUI Windows 194
- 6.1.1 List of HDLM Windows 194
- 6.1.2 Window Transitions 195
- 6.2 Path Management Window 196
- Common frame 197
- Tree frame 197
- View frame 197
- 6.2.1 Common Frame 198
- 6.2.2 Tree Frame 198
- Systems User’s Guide 185 201
- Configuration view 202
- Path List view 202
- HBA port button 208
- CHA port button 208
- CHA button 208
- 6.3 Options Window 218
- 0, and then 223
- Chapter 7 Command Reference 229
- Command format 230
- 7.2 The Clear Operation 231
- 7.2.1 Format 231
- 7.2.2 Parameters 231
- 7.3 The Help Operation 232
- 7.3.1 Format 232
- 7.3.2 Parameters 232
- Examples 232
- 7.4 The Offline Operation 234
- 7.4.1 Format 234
- 7.4.2 Parameters 234
- Reference 236
- 7.5 The Online Operation 237
- 7.5.1 Format 237
- 7.5.2 Parameters 237
- 7.6 The Set Operation 240
- 7.6.1 Format 240
- 7.6.2 Parameters 240
- 0 Collects no error log 242
- 4 Outputs all information 243
- Enabled 245
- Disabled 245
- ************* 250
- 7.7 The View Operation 253
- 7.7.1 Format 253
- 7.7.2 Parameters 255
- Systems User’s Guide 241 257
- Systems User’s Guide 249 265
- Displayed Path Information 268
- Systems User’s Guide 253 269
- ...). For 272
- Systems User’s Guide 259 275
- Displayed LU Information 280
- Systems User’s Guide 265 281
- -lu -item parameter 283
- -lu -c -item parameter 283
- Chapter 8 Utility Reference 285
- 8.2.1 Format 287
- 8.2.2 Parameters 287
- Systems User’s Guide 275 291
- Systems User’s Guide 277 293
- Systems User’s Guide 279 295
- 8.3.1 Format 297
- 8.3.2 Parameters 297
- 8.4.1 Format 300
- 8.4.2 Parameters 300
- 0123456789abcdef) 301
- >dlmprsvkey -v 301
- 8.5.1 Format 302
- 8.5.2 Parameters 302
- Chapter 9 Messages 305
- Systems User’s Guide 291 307
- 292 Chapter 9 Messages 308
- Systems User’s Guide 293 309
- 294 Chapter 9 Messages 310
- Systems User’s Guide 295 311
- 296 Chapter 9 Messages 312
- Systems User’s Guide 297 313
- 298 Chapter 9 Messages 314
- Systems User’s Guide 299 315
- 300 Chapter 9 Messages 316
- Systems User’s Guide 301 317
- 302 Chapter 9 Messages 318
- Systems User’s Guide 303 319
- 304 Chapter 9 Messages 320
- Systems User’s Guide 305 321
- 306 Chapter 9 Messages 322
- 9.3 HDLM GUI Messages 323
- 308 Chapter 9 Messages 324
- Systems User’s Guide 309 325
- 310 Chapter 9 Messages 326
- Systems User’s Guide 311 327
- 312 Chapter 9 Messages 328
- Systems User’s Guide 313 329
- 314 Chapter 9 Messages 330
- Systems User’s Guide 315 331
- 316 Chapter 9 Messages 332
- Systems User’s Guide 317 333
- 318 Chapter 9 Messages 334
- 9.4 HDLM API Messages 335
- 320 Chapter 9 Messages 336
- 9.5 HDLM Manager Messages 337
- 322 Chapter 9 Messages 338
- Systems User’s Guide 323 339
- 324 Chapter 9 Messages 340
- Systems User’s Guide 325 341
- 326 Chapter 9 Messages 342
- Systems User’s Guide 327 343
- 328 Chapter 9 Messages 344
- Systems User’s Guide 329 345
- 330 Chapter 9 Messages 346
- Systems User’s Guide 331 347
- 332 Chapter 9 Messages 348
- Systems User’s Guide 333 349
- 334 Chapter 9 Messages 350
- Systems User’s Guide 335 351
- 336 Chapter 9 Messages 352
- Systems User’s Guide 337 353
- 338 Chapter 9 Messages 354
- Systems User’s Guide 339 355
- 340 Chapter 9 Messages 356
- Systems User’s Guide 341 357
- 342 Chapter 9 Messages 358
- Systems User’s Guide 343 359
- 344 Chapter 9 Messages 360
- Systems User’s Guide 345 361
- 346 Chapter 9 Messages 362
- Systems User’s Guide 347 363
- 348 Chapter 9 Messages 364
- Systems User’s Guide 349 365
- 350 Chapter 9 Messages 366
- Systems User’s Guide 351 367
- 352 Chapter 9 Messages 368
- Systems User’s Guide 353 369
- 354 Chapter 9 Messages 370
- Systems User’s Guide 355 371
- 356 Chapter 9 Messages 372
- Systems User’s Guide 357 373
- 358 Chapter 9 Messages 374
- Systems User’s Guide 359 375
- 360 Chapter 9 Messages 376
- Systems User’s Guide 361 377
- 362 Chapter 9 Messages 378
- Systems User’s Guide 363 379
- 364 Chapter 9 Messages 380
- Systems User’s Guide 365 381
- 366 Chapter 9 Messages 382
- Systems User’s Guide 367 383
- Systems User’s Guide 369 385
- 370 Chapter 9 Messages 386
- Systems User’s Guide 371 387
- 372 Chapter 9 Messages 388
- In HDLM 5.2 or 5.4 392
- In HDLM 5.5 or later 392
- Acronyms and Abbreviations 395
- Glossary 399
- 388 Glossary 404
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