You can clean up the ZENworks server disk space by either deleting or backing up the old log files. For detailed information on how to back up the log files, see Section 37.6, Backing Up the Log Files.
You can also delete empty directories that might not be removed during the deletion of a package or bundle. The directories are located at /var/opt/novell/zenworks/pkg-repo.
You can also search for and delete the orphaned RPM packages from > > .