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# View performance database information

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

## About this task

To view performance database details:

## Steps

1. Select .
2. In the Settings dialog box, select Unisphere Databases > Performance Databases.
3. Hover over a database and click .
   The following details display:

   System | The storage system identifier
   Registered to collection | Shows the performance views available - possible values are Real Time and Diagnostic, or Not Registered.
   Database administration |
   Last backup time | Date and time of last backup.
   Last restore time | Date and time of last restore.
   Last aggregation time | Last date and time that trending and planning data was derived from diagnostic data.
   Last retention time | Date and time of last retention.
   Last real time retention time | Date and time of last real-time retention.
   Database size | Size of the database.
   Historical |
   Oldest available data | Date and time of first available historical data.
   Latest available data | Date and time of latest historical data.
   Current historical data retention (months) | Number of months to save historical data.
   Diagnostic |
   Oldest available data | Date and time of first available diagnostic data.
   Latest available data | Date and time of latest diagnostic data.
   Current diagnostic data retention (days) | Number of days to save diagnostic data.
   Real Time |
   Current real time data retention (hours) | Number hours to save real-time data.
   Backup Files |
   Current backup file retention (number of days) | Number days to save backup files.
   Number of existing backup files | Number of existing backup files for this database.
   Scheduled Backup Execution Options |
   Next Backup | Displays the date and time for the next scheduled backup (if any).
   Recurring | Displays the days (Monday, Tuesday, and so on) set for a recurring backup.
   Last Day of historical | Indicates whether the last day of historical statistics are included in the next database backup.
   Named real time traces | Indicates whether any named real-time traces are included in the next database backup.