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

Storage Essentials 5.1 User Guide 231
IMPORTANT: If you change the date in the field to a date that does not exist in a month, the
software automatically calculates the date to the next month. For example, if you enter
2003-11-31, the software assumes the date is 2003-12-01.
Figure 16 Selecting the Date and Time from the Calendar
In the previous figure, the calendar sets the date and time at 1:56 p.m. February 13, 2003.
Viewing Data Aging Statistics for Performance
Data Aging includes Data Rollup and Garbage Collection. Data Rollup controls how often a set of
data is summarized. For example, hourly data is rolled into the daily table periodically. Garbage
Collection refers to how long a set of data is preserved before it is permanently removed from the
database.
The settings on this page control data aging for both reports and performance statistics.
IMPORTANT: Do not modify the data on this page unless instructed by customer support.
Changing them incorrectly can adversely affect the management server.
To view data aging statistics:
1. Click Optimize > Storage Essentials > Performance Data Collection.
2. Click the Data Aging tab at the top of the screen.
IMPORTANT: Perform the following steps ONLY if customer support has instructed you to
modify one of the collectors on the page:
3. Click the Edit () button.