Check out: http://rhn.redhat.com/errata/RHSA-2004-188.html The part that grabbed my attention was: A significant change in the SCSI subsystem (the disabling of the scsi-affine-queue patch) should significantly improve SCSI disk driver performance in many scenarios. There were 10 Bugzillas against SCSI performance problems addressed by this change. -Steve -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx]On Behalf Of Greg Bradner Sent: Friday, May 21, 2004 1:05 PM To: General Red Hat Linux discussion list Subject: Re: Disk Performance - RH9 vs RHEL ES 3 (RESOLVED) Do you know what's different in the kernels? Rigler, Steve wrote: >We just loaded the errata kernel (2.4.21-15) and the performance >looks good. We're seeing 160MB/s write, 345MB/s re-write, 180MB/s >read and 240MB/s re-read on the EMC array. > >It looks like this has resolved our problem! > >-Steve -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list