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Figure 38 Total I/O Rate
.
The total backend transfers may be compared to the total frontend I/Os and the difference is due to
the effects of the array cache. The total backend transfers load is taken by the RAID groups and
ACP/DKA pairs, where as the total frontend I/O load is taken by the CHIP/CHA ports.
NOTE:
If there are no data points available for the dates selected, a blank chart is displayed. If all the data
values are zero for the dates selected, a chart with a horizontal line along X axis is displayed in the
center of the chart.
Total I/O Rate by hour of day report
The Total I/O Rate by hour of day report displays in a chart format, the number of total read and
write I/O operations per second over the over 24-hour period. “Total I/O Rate by hour of
day” on page 404 displays a sample Total I/O Rate by hour of day report for a P9500 Disk Array.
HP StorageWorks P9000 Performance Advisor Software User Guide 403
- Software User Guide 1
- Contents 3
- Overview 15
- Advisor GUI 17
- Left pane 18
- Common tasks 19
- Resizing columns 20
- License screen 23
- Instant-on license activation 25
- Instant-on license expiration 25
- Grace period expiration 27
- Permanent licenses 28
- Meter Based Term licenses 29
- Generating licenses 36
- Installing licenses 37
- Viewing license history 44
- Violating licensed capacity 48
- Removing licenses 48
- Only 10TB-Days are added 50
- Meter based Term units 50
- 1TB, 100TB-days 50
- Array View screen 54
- Requesting host agent updates 56
- Collecting configuration data 58
- Collecting performance data 71
- Resource type list.1 76
- SMTP Server Settings 90
- Alarm Email Settings 90
- Reports Email Settings 90
- SNMP settings 91
- P9000 Performance Advisor 92
- Configuring SMTP parameters 98
- Managing custom groups 99
- Creating custom groups 100
- Using custom group filters 101
- Modifying custom groups 104
- Deleting custom groups 105
- Using template 110
- Creating a user record 111
- Changing password 112
- Deleting a user record 112
- Viewing group properties 113
- Introduction 115
- Dashboard threshold metrics 122
- DescriptionScreen elements 123
- Viewing dashboard 124
- XP/P9000 array health 126
- Dashboard statistics 127
- Dashboard busiest consumers 131
- Dashboard charts 133
- Zoom Preview panel.2 135
- High watermark level.1 136
- Setting threshold level 142
- HP StorageWorks 144
- Enabling or disabling alarms 146
- Applying a template 147
- Searching for components 149
- Managing alarms history 150
- Viewing alarm history records 151
- Alarm History filters 154
- Viewing events 157
- Filtering event records 158
- Deleting event records 159
- Advisor database 161
- Database Manager screen 162
- Configuring database size 163
- Purging data 165
- Purging older data 166
- Automatically purging data 167
- Export DB CSV files 168
- Creating Export DB CSV files 172
- Importing data to MS Excel 176
- Viewing Export DB CSV files 176
- Archiving data 178
- Importing data 181
- Space requirements 186
- Component selection tree.1 192
- Viewing performance summary 196
- Volume Information 202
- Viewing utilization summary 203
- Viewing CHIP/CHA data 205
- Viewing ACP/DKA data 210
- Figure 14 Smart Pool Screen 218
- Figure 15 THP Pool Screen 218
- Configuring VVol settings 220
- Viewing Smart pool capacity 221
- DescriptionScreen element 223
- CA link status metrics 225
- Viewing RAID group summary 231
- Viewing port summary 233
- Viewing LDEV data 236
- Querying and sorting data 238
- Configuring column settings 240
- Filtering LDEV records 248
- Exporting LDEV data 249
- Viewing port information 252
- Viewing SLPR information 253
- Viewing CLPR information 254
- 10 Using charts 257
- Charts screen 258
- DescriptionSections 260
- Plotting charts 262
- Main category2 264
- Component type3 264
- Component4 264
- Using charts264 264
- Custom Groups 268
- Choosing metrics 268
- Front-end navigation path 269
- Using charts270 270
- Cache navigation path 271
- MP Blades navigation path 273
- Using charts274 274
- Back-end navigation path 275
- Using charts276 276
- Pools navigation path 278
- Using charts280 280
- Snapshot Pool navigation path 282
- Using charts284 284
- LUSE navigation path 285
- Using charts286 286
- Frontend IO MetricsLUSE 286
- Host Groups navigation path 287
- Using charts288 288
- Ext-RG(s) navigation path 291
- Drive types navigation path 292
- Custom groups navigation path 293
- Frontend IO MetricsLDEVs 294
- Using charts294 294
- Viewing charts 296
- Individual Chart windows 298
- Using charts300 300
- Adding new chart windows 305
- Saving charts as PDF files 305
- Saving favorite charts 306
- Loading favorite charts 307
- Using charts308 308
- Printing charts 310
- Forecasting utilization 312
- Using date and time filters 314
- Using chart Styles 314
- Zooming in on charts 316
- Using charts318 318
- Removing chart windows 320
- 11 Using reports 321
- Using reports326 326
- Using reports328 328
- Generating or saving reports 329
- Scheduling reports 330
- Using reports332 332
- Using reports334 334
- Viewing reports 335
- Deleting reports 336
- Virtualization for reports 336
- Enabling email notifications 336
- Editing report schedules 337
- Deleting report schedules 337
- Understanding report records 338
- Using reports340 340
- P9000 disk arrays 341
- Disks of any size 342
- RealTime screen 349
- Troubleshooting screen 355
- LDEV table1 362
- Port table2 362
- Performance Advisor 375
- Storage Manager 377
- Web Console 381
- Viewing MP blade usage data 385
- Viewing Parity Group data 387
- Viewing Logical Device data 390
- Viewing host group data 391
- Contacting HP 395
- Related information 395
- Typographic conventions 397
- A Appendix A 399
- Appendix A400 400
- B Sample reports 401
- Total I/O Rate report 402
- Total I/O Rate Detail report 404
- Read/Write Ratio report 405
- Sample reports406 406
- Read/Write Detail report 407
- Sample reports408 408
- LDEV IO report 410
- Sample reports412 412
- Sample reports414 414
- RAID Group Utilization Report 415
- Cache utilization report 416
- Cache Write Pending report 417
- Percentage Read Hits report 417
- Total Backend Transfer report 418
- ACP utilization report 419
- ACP Utilization report 420
- CHIP utilization report 421
- Figure 59 CHIP Utilization 422
- Disk Array 422
- ThP pool occupancy report 424
- P9500 Disk Array 426
- LDEV Activity report 427
- Export Database report 428
- All report 429
- MP blade utilization report 430
- Sample reports432 432
- C Appendix C 433
- Appendix C434 434
- D Appendix D 435
- Metrics and descriptions 439
- This metric is disabled 448
- DefinitionsReal-time metrics 461
- F Appendix F 463
- Appendix F464 464
- Glossary 465
- Glossary466 466
- Glossary468 468
- Glossary470 470
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