OA core server runs out of disk space. What files can be safely deleted?
the contents of this folder may be removed. It is used by pa_updates_installer to download and unpack update files. After installation is completed, they are not needed.
crash dumps of OA agent. They can be removed or moved to another server if technical support is not performing any investigations regarding OA agent crashes.
postgresql backups - old ones can be removed or moved to other storage, not used by the system.
log files of OS and OA. Some old logs can be deleted or moved to other storage to free some space.
old database dumps can be moved to other storage as well.