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Chapter 11: Security AdministrationAudit Tools Trace unusual user activities Understand the impact of changes to transactions or usersTo start a security audit, you can do one of the following: Set the profile parameter rsau/enable to 1(For more information, see the section on RZ10 in chapter 20.) Dynamically start it using transaction SM19.The number of audit logs created by the system depend on the following: You may choose to set the maximum space for the security audit file in parameterrsau/max_diskspace/local.When the limit has been reached, logging will end. You can define the size of an individual security log file to fit in the chosen archivingmedia.This definition means that the system produces several log files each a day and thesefiles can be, for example, archived periodically into CDs. The profile parameter isrsau/max_diskspace/per_file, and the maximum size per file is 2 GB. You cannot set both parameters. You have to choose the method by which theaudit files are created.System Administration Made Easy11–45