> NetApp disk UFS filesystem: 48 sec > > NetApp disk raw space: 3 min 7 sec > > > > What should I be looking at? Why such a big difference? What if you set your filesystemio_options to direct or setall in your UFS configuration? That way filesystem buffering for read-ahead purposes won't be used. Also set the db_file_multiblock_read_count to 1MB (128 for 8K blocks) in both configurations - that way raw IO has more chance to compete. Tanel. ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at http://www.freelists.org/archives/oracle-l/ FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------