From owner-freebsd-fs Wed Sep 20 0:10:37 2000 Delivered-To: freebsd-fs@freebsd.org Received: from mail-relay.eunet.no (mail-relay.eunet.no [193.71.71.242]) by hub.freebsd.org (Postfix) with ESMTP id BA47F37B422 for ; Wed, 20 Sep 2000 00:10:34 -0700 (PDT) Received: from login-1.eunet.no (login-1.eunet.no [193.75.110.2]) by mail-relay.eunet.no (8.9.3/8.9.3/GN) with ESMTP id JAA33746; Wed, 20 Sep 2000 09:10:32 +0200 (CEST) (envelope-from mbendiks@eunet.no) Received: from localhost (mbendiks@localhost) by login-1.eunet.no (8.9.3/8.8.8) with ESMTP id JAA30253; Wed, 20 Sep 2000 09:10:32 +0200 (CEST) (envelope-from mbendiks@eunet.no) X-Authentication-Warning: login-1.eunet.no: mbendiks owned process doing -bs Date: Wed, 20 Sep 2000 09:10:32 +0200 (CEST) From: Marius Bendiksen To: Archie Cobbs Cc: fs@FreeBSD.ORG Subject: Re: disable write caching with softupdates? In-Reply-To: <200009200030.RAA08442@bubba.whistle.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > Isn't it safer (in the face of a power failure) to disable write > caching on a hard disk when softupdates is in use? Not necessarily safer, I'd think, if you refer to consistency. But certainly if you refer to the amount of data lost; but if that is a concern, you might want to decrease the syncer interval. > The ata driver currenly always enables write caching. Perhaps > there should be a sysctl knob to turn it on/off? *nod* This sounds like a good idea. Marius To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message