From owner-freebsd-questions Tue Aug 29 20:50:30 2000 Delivered-To: freebsd-questions@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 4757537B628 for ; Tue, 29 Aug 2000 20:50:20 -0700 (PDT) Received: (from grog@localhost) by wantadilla.lemis.com (8.11.0/8.9.3) id e7U3nVa33827; Wed, 30 Aug 2000 13:19:31 +0930 (CST) (envelope-from grog) Date: Wed, 30 Aug 2000 13:19:31 +0930 From: Greg Lehey To: Holtor Cc: freebsd-questions@FreeBSD.ORG Subject: Re: SCSI Write Cache & SoftUpdates Message-ID: <20000830131931.M32302@wantadilla.lemis.com> References: <20000830023703.10254.qmail@web121.yahoomail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <20000830023703.10254.qmail@web121.yahoomail.com>; from holtor@yahoo.com on Tue, Aug 29, 2000 at 07:37:03PM -0700 Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tuesday, 29 August 2000 at 19:37:03 -0700, Holtor wrote: > I am thinking of enabling softupdates but have read in the > questions/stable mail listing archives that enabling softupdates > when the scsi hard drive has write cache enabled could cause trouble > that would not normally be experienced. > > Does anyone know if there is any truth to that? Is disabling write > cache not a good idea? If anyone could offer up some suggestions, > that would be beneficial. In general, you can't rely on disks to complete cached writes if the power fails. This doesn't have anything to do with soft updates. Soft updates will probably protect you better in this situation, but if you value your data you should turn off write caching. Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message