HP Storage Essentials V5.1 User Guide Second Edition (Linux Release) (T4283-96056, November 2006)

Storage Essentials 5.1 User Guide 549
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 549
• ”Accessing Performance Manager” on page 550
• ”Creating Performance Charts” on page 550
• ”About the Toolbars in Performance Manager” on page 551
• ”Comparing the Performance of Different Elements” on page 554
• ”Viewing Summary Charts” on page 555
• ”Viewing Trending Information for Performance” on page 555
• ”Removing Performance Data from a Graph” on page 556
• ”Setting a Custom Period” on page 556
• ”About the Monitoring Options” on page 557
• ”Task Already Running on Element” on page 567
• ”Monitoring with Direct Attached Storage” on page 568
• ”Supported Host Configurations for Monitoring” on page 568
• ”Sudden Dips Displayed in Certain Charts in Performance Manager” on page 571
• ”Values Continue to Increase in Charts for Aggregated Drives and Aggregate Volumes” on
page 571
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: