ORA Database Error Messages ORA-15094: attempted to write to file opened in read only mode September 11, 2015 mpbod ORA-15094: attempted to write to file opened in read only mode Cause: The file handle passed to DBMS_DISKGROUP.WRITE() did not have write privileges. Action: Obtain a file handle in read-write mode and retry the write operation. Back to previous menu 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)