On Wed, Jun 15, 2011 at 01:00:10PM -0400, fmhabash wrote: > > - every file in v$tempfile must physically exist on disk > - If they are not, add them ... > ALTER TABLESPACE TEMP ADD TEMPFILE '/u03/ora_data/fred/fred/temp01.dbf' No, I doubt that command would work, like I said, the standby "ha record" of the temp datafile, but the OS file does not exist: SQL> select name, bytes from v$tempfile; NAME BYTES ------------------------ ---------- /usr/database/db01/orada 0 ta/db/temp01.dbf I suppose this makes sense since rman does not back these up and the standby was build from that backup: SQL> host ls -l /usr/database/db01/oradata/db/temp01.dbf ls: /usr/database/db01/oradata/db/temp01.dbf: No such file or directory It seems like data guard should/could make these files during the role change. -- //www.freelists.org/webpage/oracle-l