From owner-freebsd-scsi Sat Feb 21 15:22:01 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA05865 for freebsd-scsi-outgoing; Sat, 21 Feb 1998 15:22:01 -0800 (PST) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from shell.futuresouth.com (shell.futuresouth.com [207.141.254.20]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA05845 for ; Sat, 21 Feb 1998 15:21:56 -0800 (PST) (envelope-from tim@shell.futuresouth.com) Received: (from tim@localhost) by shell.futuresouth.com (8.8.8/8.8.8) id RAA10745; Sat, 21 Feb 1998 17:21:43 -0600 (CST) Message-ID: <19980221172142.33725@futuresouth.com> Date: Sat, 21 Feb 1998 17:21:42 -0600 From: Tim Tsai To: "Justin T. Gibbs" Cc: scsi@FreeBSD.ORG Subject: Re: very slow scsi performance References: <34EF018E.41C67EA6@home.com> <199802211805.LAA17699@pluto.plutotech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.88 In-Reply-To: <199802211805.LAA17699@pluto.plutotech.com>; from Justin T. Gibbs on Sat, Feb 21, 1998 at 11:02:27AM -0700 Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > that number depending on how the drive responds. With the Atlas II, a > simplistic algorithm will cause the OS to drop down as low as 2 > transactions if you hit the drive with the right I/O pattern (say a restore > from another disk). As somebody who has a number of Atlas II's, does anybody know if Quantum has a fix for this or are we stuck with it? I do not see a firmware section on Quantum's website (not that I really want to do that to a production drive anyway). More reasons to keep buying IBM's I guess. Tim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message