On Mon, 16 Feb 2009 08:09:35 -0700 Scott Long <[email protected]> wrote:
> FWI. I need lots of testing on this. Only real SCSI controllers, > please, not RAID controllers (except for MPT-SCSI with integrated > mirroring). So Adaptec, LSI, Symbios, Buslogic, Tekram, SME, etc, > users, please try this and get back to me. The patch should apply > to FreeBSD 7 as well. FreeBSD 6 is only affected by this problem > when CAM_NEW_TRAN_CODE is enabled. > I tested this with an Adaptec 29160. I saw no real improvement in performance, but also no regressions. I suspect that the old disk I had attached just didn't have enough performance reserves to show an improvement. My test scenario was buildworld. Since /usr/src and /usr/obj were both on the one disk it got a pretty good workout. AMD64 X2 (2.5 GHz) with 4GB of RAM. BTW under a very fresh 8.0-current. --- Gary Jennejohn _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
