Change the time range

The Unisphere Performance Management application allows the user to gather, view, and analyze performance data to troubleshoot and optimize the storage systems.

About this task

You can use the options in the Custom Time Selection dialog to complete the following tasks:

  • Specify a custom time range for performance reports.
  • Specify a data collection time range for an analyze view.

In the Analyze view, there are the following default data collection time ranges:

REAL TIME The last hour.
DIAGNOSTIC The last 4 hours.
HISTORICAL The last 24 hours.

For the REAL TIME tab, you can load an existing real-time trace file by selecting Realtime > Trace from the time-selection drop-down menu.

For the DIAGNOSTIC and HISTORICAL tabs, you can customize the time range by specifying a custom time range from the time-selection drop-down menu.

When specifying a custom Diagnostic time range, you can define a maximum range of 24 hours, specified at five-minute intervals.

When specifying a custom Historical time range, you can define a minimum range of 24 hours, specified at one-hour intervals.

Steps

Complete one of the following:

  • Changing the REAL TIME time range:

    From the time selection menu, which, by default displays Last Hour, select Realtime, and one of the following options:

    • To view the last hour of data collected, select Last Hour.
    • Select Trace and choose a saved trace file from the list. This option is available only if a trace file is available for the selected storage system.

  • Changing the DIAGNOSTIC time range:

    1. From the time selection menu, which by default displays Last 4 Hours, select Diagnostic, and one of the following options:
      • To view the last hour of data collected, select Last Hour.
      • To view the last two hours of data collected, select Last 2 Hours.
      • To view the last four hours of data collected, select Last 4 Hours.
      • To view the last eight hours of data collected, select Last 8 Hours.
      • To view the last eight hours of data collected, select Last 12 Hours.
      • To view the last 24 hours of data collected, select Last 24 Hours.
      • To make a custom time selection, select Custom and complete the following steps:
        1. In the Custom Time Selection dialog box, specify a start time and end time.
        2. Click OK .

  • Changing the HISTORICAL time range:

    1. From the time selection menu, which by default displays Last 24 Hours, select Historical and one of the following options:
      • To view the last 24 hours of data collected, select Last 24 Hours.
      • To view the last week of data collected, select Last Week.
      • To view the last month of data collected, select Last Month.
      • To view the last 6 months of data collected, select Last 6 Months.
      • To view the last 12 months of data collected, select Last 12 Months.
      • To make a custom time selection, select Custom and, complete the following steps:
        1. In the Custom Time Selection dialog box, specify a start time and end time.
        2. Click OK .