Date: Sun, 24 Sep 2000 14:32:58 -0400 (EDT) From: Jim Weeks <jim@siteplus.net> To: Andre Albsmeier <andre@akademie3000.de> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Disable write caching Message-ID: <Pine.BSF.4.21.0009241428100.602-100000@veager.siteplus.net> In-Reply-To: <20000924190230.A8029@schlappy.mobile.tld>
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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
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