In VMware Aria Operations for Networks, you can specify the duration for which you want to retain your data.

Note: VMware Aria Operations for Networks supports configurable data management on an enterprise license only. In the advanced license edition, the data retention defaults to 1 month.
The data is divided into the following categories:
Table 1.
Category Minimum Value Maximum Value
Alerts 1 month 13 months
Entities and Configuration Data 1 month 3 months
Metrics 1 month 13 months
Flows 1 month 1 month
Miscellaneous Data NA 100 GB of additional disk space
Note: For all the categories, the minimum value is the default value.

Different policies can be configured and controlled for each category. You can configure the policy as per your requirement.

To configure data management:
  1. Go to Settings and click Data Management.
  2. When you log in for the first time, this page shows the default data.
  3. Click Edit on the top-right corner of the page to change the data retention period for various categories of data.
  4. Click Submit. The Updated information is recorded in the database.
Note: The retention period for low-resolution metrics is longer than the high-resolution metrics.