On Mon, Mar 15, 2010 at 11:41 AM, harshan eppuram <harshan.eppuram@xxxxxxxxx> wrote: > How did you backup production ? > Through RMAN. We take daily backup to disk. Its full backup daily. > > is /backup a cluster filesystem or file system on one node ? > /backup is mounted on SAN. Its accessible to only one node where backup > script runs ( first node ) > > Did you check a OS log looking for any error related to file system ? > Yes. We did check. There were no issues in OS log. > Did you check file system using fsck or other check tool ? This kind of error can be related to switch /backup filesystem from one box to other without proper umounting. regards, Marcin Przepiorowski http://oracleprof.blogspot.com/ -- //www.freelists.org/webpage/oracle-l