ORA Database Error Messages ORA-01140: cannot end online backup – all files are offline or readonly June 2, 2015 mpbod ORA-01140: cannot end online backup – all files are offline or readonly Cause: All the files were found to be offline or readonly when attempting to end an online backup. Action: None. Online backup does not need to be ended for this tablespace. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)