Interesting Greg. Very, very interesting :) Chris Taylor Sr. Oracle DBA Ingram Barge Company Nashville, TN 37205 Office: 615-517-3355 Cell: 615-663-1673 Email: chris.taylor@xxxxxxxxxxxxxxx CONFIDENTIALITY NOTICE: This e-mail and any attachments are confidential and may also be privileged. If you are not the named recipient, please notify the sender immediately and delete the contents of this message without disclosing the contents to anyone, using them for any purpose, or storing or copying the information on any medium. -----Original Message----- From: Greg Rahn [mailto:greg@xxxxxxxxxxxxxxxxxx] Sent: Friday, February 11, 2011 1:31 PM To: Taylor, Chris David Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Need some ideas to create a disk IOPS profile for a RHEL 5.3 64bit system Sounds like a great job for Collectl http://collectl.sourceforge.net/ On Fri, Feb 11, 2011 at 11:11 AM, Taylor, Chris David <ChrisDavid.Taylor@xxxxxxxxxxxxxxx> wrote: > I need to capture average reads & writes along with queue amounts and times. -- Regards, Greg Rahn http://structureddata.org -- //www.freelists.org/webpage/oracle-l