From owner-freebsd-scsi Sat Mar 13 9:17:24 1999 Delivered-To: freebsd-scsi@freebsd.org Received: from narnia.plutotech.com (narnia.plutotech.com [206.168.67.130]) by hub.freebsd.org (Postfix) with ESMTP id 83A351546A for ; Sat, 13 Mar 1999 09:15:16 -0800 (PST) (envelope-from gibbs@narnia.plutotech.com) Received: (from gibbs@localhost) by narnia.plutotech.com (8.9.1/8.7.3) id KAA04031; Sat, 13 Mar 1999 10:05:55 -0700 (MST) Date: Sat, 13 Mar 1999 10:05:55 -0700 (MST) From: "Justin T. Gibbs" Message-Id: <199903131705.KAA04031@narnia.plutotech.com> To: "Kenneth D. Merry" Cc: scsi@FreeBSD.org Subject: Re: SCSI disk oddities and Buslogic problems.. X-Newsgroups: pluto.freebsd.scsi In-Reply-To: <199903130008.RAA34792@panzer.plutotech.com> User-Agent: tin/pre-1.4-980818 ("Laura") (UNIX) (FreeBSD/4.0-CURRENT (i386)) Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org In article <199903130008.RAA34792@panzer.plutotech.com> you wrote: > > I'm still confounded that you're having performance problems with that > drive, when I've got > 100 of them and they perform just fine with tagged > queueing and disconnection turned on. Just remember the Jaz drive saga. We still have no idea why the performance was bad on these drives, but the performance issue went away when the user upgraded to a more recent 4.0-current. Perhaps there is a VM issue involved? We certainly didn't change any algorithms that would affect that device. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message