>No way Oracle is going to play this game because the >head on the disk(s) are who knows where, your >"sequential" requests on the I/O sub queue(s) are who >knows how apart one from each other. Notice that on real systems, very often, data is tripped as well... = Therefore even if from an Oracle point of view some reads are = "sequential", perhaps they aren't. Have a nice weekend, Chris -- //www.freelists.org/webpage/oracle-l