HP StorageWorks P4000 User Manual page 14

Deleting a server cluster .................................................................................................... 264
Assigning server connections access to volumes .......................................................................... 264
Assigning server connections from a volume ........................................................................ 265
Assigning volumes from a server connection ........................................................................ 266
Editing server connection and volume assignments ............................................................... 266
Editing server connection assignments from a volume ..................................................... 266
Editing server assignments from a server connection ....................................................... 266
Completing the iSCSI Initiator and disk setup .............................................................................. 267
Persistent targets or favorite targets ..................................................................................... 267
HP P4000 DSM for MPIO settings ...................................................................................... 267
Disk management ............................................................................................................ 267
17 Monitoring performance .............................................................. 269
Prerequisites ........................................................................................................................... 269
Introduction to using performance information ............................................................................ 269
What can I learn about my SAN? ...................................................................................... 270
Current SAN activities example .................................................................................... 270
Workload characterization example ............................................................................. 270
Fault isolation example ...................................................................................................... 271
What can I learn about my volumes? ........................................................................................ 271
Most active volumes examples ........................................................................................... 271
Activity generated by a specific server example .................................................................... 272
Planning for SAN improvements ................................................................................................ 272
Network utilization to determine if NIC bonding could improve performance example .............. 273
Load comparison of two clusters example ............................................................................ 273
Load comparison of two volumes example ........................................................................... 274
Accessing and understanding the Performance Monitor window ................................................... 275
Performance Monitor toolbar ............................................................................................. 276
Performance monitor graph ............................................................................................... 277
Performance monitor table ................................................................................................. 277
Understanding the performance statistics ............................................................................. 278
Monitoring and comparing multiple clusters ............................................................................... 280
Performance monitoring and analysis concepts ........................................................................... 281
Workloads ...................................................................................................................... 281
Access type ..................................................................................................................... 281
Access size ...................................................................................................................... 281
Access pattern ................................................................................................................. 281
Queue depth ................................................................................................................... 281
Changing the sample interval and time zone .............................................................................. 281
Adding statistics ..................................................................................................................... 282
Viewing statistic details ..................................................................................................... 284
Removing and clearing statistics ................................................................................................ 284
Removing a statistic .......................................................................................................... 284
Clearing the sample data .................................................................................................. 284
Clearing the display ......................................................................................................... 285
Resetting defaults ............................................................................................................. 285
Pausing and restarting monitoring ............................................................................................. 285
Changing the graph ............................................................................................................... 285
Hiding and showing the graph .......................................................................................... 286
Displaying or hiding a line ................................................................................................ 286
Changing the color or style of a line ................................................................................... 286
Highlighting a line ........................................................................................................... 286
Changing the scaling factor ............................................................................................... 286
Exporting data ....................................................................................................................... 287
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