From owner-freebsd-current Sat Jan 23 15:12:27 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA00230 for freebsd-current-outgoing; Sat, 23 Jan 1999 15:12:27 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from polaris.we.lc.ehu.es (polaris.we.lc.ehu.es [158.227.6.43]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA00224 for ; Sat, 23 Jan 1999 15:12:25 -0800 (PST) (envelope-from jose@we.lc.ehu.es) Received: from we.lc.ehu.es (lxpxew.lx.ehu.es [158.227.99.226]) by polaris.we.lc.ehu.es (8.9.1/8.9.1) with ESMTP id AAA05310; Sun, 24 Jan 1999 00:12:00 +0100 (MET) Message-ID: <36AA573E.29040BCB@we.lc.ehu.es> Date: Sun, 24 Jan 1999 00:11:58 +0100 From: "José Mª Alcaide" Organization: Universidad del País Vasco - Dept. Electricidad y Electrónica X-Mailer: Mozilla 4.07 [en] (X11; U; FreeBSD 3.0-STABLE i386) MIME-Version: 1.0 To: "D. Rock" CC: julian@whistle.com, current@FreeBSD.ORG Subject: Re: dirty fs after apm power off References: <199901232302.AAA06978@vodix.aremorika> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG D. Rock wrote: > > This is what I also thought. But how do I turn off write caching on IDE > disks. I know how to do on SCSI bit (mode page 8 byte 2 bit 2 clear), but > I have absolutely no clue how this can be achieved on IDE disks. > > I normally turn off write caching on all drives I install. The drive shouldn't > shuffle the carefully sorted file system blocks. > Some BIOSes have an APM setting that forces a delay before turning the power supply off. -- JMA ----------------------------------------------------------------------- José Mª Alcaide | mailto:jose@we.lc.ehu.es Universidad del País Vasco | http://www.we.lc.ehu.es/~jose Dpto. de Electricidad y Electrónica | Facultad de Ciencias - Campus de Lejona | Tel.: +34-946012479 48940 Lejona (Vizcaya) - SPAIN | Fax: +34-944858139 ----------------------------------------------------------------------- "Go ahead... make my day." - H. Callahan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message