OS File Monitoring Archiving

An optional setting when monitoring for file changes in real time is to make an archive copy of the file on the agent. When monitoring first begins, a copy of the file at that time is made and stored into a private directory in the ORACLE_HOME directory of the agent. Then, any subsequent changes to that file will result in additional copies of the file being archived in that same directory. This feature allows you to later perform a file diff from the user interface or to issue a job to roll back a file to a previous version.

This feature however will use disk space to make copies of the file. Care should be taken to ensure that this feature is only enabled for files that are critical. During rule creation, the user can specify how many copies of a file to save. The default is five historic versions. This can also be adjusted to tune potential resource consumption.

Select the checkbox in the Ignore Events Prior to Rule field to ignore all previous Oracle database change events when the Oracle database monitoring module runs the first time.