On Sat, Aug 15, 2009 at 3:36 PM, dba1 mcc <mccdba1@xxxxxxxxx> wrote: > we have ORACLE 10Gr2 on Redhar AS LInux server version 4.X. I checked one > of database init.ora have following setup: > > db_writer_processes = 2 > > filesystemio_options = asynch > DISK_ASYNCH_IO = true > TAPE_ASYNCH_IO = true > > Based on what I know "db_writer_processes " and "filesystemio_options = > asynch" are exclusive. Can anyone tell me database will use whiche one? > This should help answer your question: ps -flu<oracle_owner> | grep dbw.*$ORACLE_SID Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist