From owner-freebsd-isp Sun Sep 24 11:41:44 2000 Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B7BD837B424 for ; Sun, 24 Sep 2000 11:41:33 -0700 (PDT) Received: from hawk.prod.itd.earthlink.net (hawk.prod.itd.earthlink.net [207.217.120.22]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5268B6E2BFC for ; Sun, 24 Sep 2000 11:38:58 -0700 (PDT) Received: from veager.siteplus.net (user-38lc8e8.dialup.mindspring.com [209.86.33.200]) by hawk.prod.itd.earthlink.net (8.9.3-EL_1_3/8.9.3) with ESMTP id LAA05565; Sun, 24 Sep 2000 11:33:00 -0700 (PDT) Date: Sun, 24 Sep 2000 14:32:58 -0400 (EDT) From: Jim Weeks To: Andre Albsmeier Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Disable write caching In-Reply-To: <20000924190230.A8029@schlappy.mobile.tld> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Thanks, Your memory is certainly better than mine. You had it exactly right ;-) -- Jim Weeks On Sun, 24 Sep 2000, Andre Albsmeier wrote: > On Mon, 18-Sep-2000 at 09:51:34 -0400, Jim Weeks wrote: > > I have a Seagate Barracuda drive that is giving me a fit. There has been > > some discussion on this list about disabling the write cache on these > > drives. I remember that someone posted the procedure, but can't find it > > in the archives. > > > > If anyone has that information I would appreciate a response. > > I am currently in the Dominican Republic with my laptop that > doesn't have SCSI so I have to remember it from head... > > You have to edit a modepage to do this. It can be done with > > camcontrol modepage da0 -m 8 -P 3 -e > > For da0 you use your drive and for 8 the modepage number. Then > you will get your editor launched and see an entry like: > > WCE: 1 > > This means that write caching is enabled. Change it to 0 and > quit. You can launch the camcontrol again to see if the drive > remebered the new setting. > > I think 8 is the correct number... > > If you have an Adaptec Controller with the latest BIOS (2.57.2) > you can also set the WCE flag there in the SCSI select utility... > > -Andre > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message