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
14