Backup not skipping read only data files
Oracle ES 11.2.0.4 on Linux
I am trying to optimize backups using read only tablespaces. Our normal backup strategy is to perform weekend level 0 incrementals and weekday level 1. Optimization is turned on as well as compression. The backups are scheduled via OEM. Our database is organized in daily partition/tablespaces. The older tablespaces are static. I created a script that took a span of start and end dates. First sqlplus is invoked to change all of the included tablespaces to read only. Then rman is invoked to perform a level 0 incremental backup of just those tablespaces. I then have been rescheduling an OEM