HP Storage Essentials V5.1 User Guide First Edition (T4283-96026, August 2006)

Storage Essentials 5.1 User Guide 537
14 Viewing Performance Data
IMPORTANT: Depending on your license, Performance Manager may not be available. See the
“List of Features” to determine if you have access to Performance Manager. The “List of Features” is
accessible from the Documentation Center (Help > Documentation Center in Storage Essentials).
This chapter describes the following:
• ”About Performance Manager” on page 537
• ”Accessing Performance Manager” on page 538
• ”Creating Performance Charts” on page 538
• ”About the Toolbars in Performance Manager” on page 539
• ”Comparing the Performance of Different Elements” on page 542
• ”Viewing Summary Charts” on page 543
• ”Viewing Trending Information for Performance” on page 543
• ”Removing Performance Data from a Graph” on page 544
• ”Setting a Custom Period” on page 544
• ”About the Monitoring Options” on page 545
• ”Task Already Running on Element” on page 555
• ”Monitoring with Direct Attached Storage” on page 556
• ”Supported Host Configurations for Monitoring” on page 556
• ”Sudden Dips Displayed in Certain Charts in Performance Manager” on page 559
• ”Values Continue to Increase in Charts for Aggregated Drives and Aggregate Volumes” on
page 559
About Performance Manager
IMPORTANT: Depending on your license, Performance Manager may not be available. See the
“List of Features” to determine if you have access to Performance Manager. The “List of Features” is
accessible from the Documentation Center (Help > Documentation Center in HP Storage
Essentials).
Performance Manager provides a graphical representation of the performance history of a
managed element, such as bytes transmitted per second for a switch.
You can manipulate the charts, so they show a different reporting period and frequency. For
example, you could show the performance of an element over the past 24 hours with an hourly
monitoring frequency.
Keep in mind the following: