Hi, I have been experiencing high IO on solaris 5.7 box.All the database files are on one disk due to disk constraints? ANy idea how to reduce IO rate? thanks _________________________________________________________________ FREE pop-up blocking with the new MSN Toolbar ? get it now! http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/ -- //www.freelists.org/webpage/oracle-l