From owner-freebsd-stable@FreeBSD.ORG Thu Jan 20 21:52:37 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 33B5716A4CE for ; Thu, 20 Jan 2005 21:52:37 +0000 (GMT) Received: from avscan2.sentex.ca (avscan2.sentex.ca [199.212.134.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id A06EF43D55 for ; Thu, 20 Jan 2005 21:52:36 +0000 (GMT) (envelope-from mike@sentex.net) Received: from localhost (localhost.sentex.ca [127.0.0.1]) by avscan2.sentex.ca (8.12.11/8.12.11) with ESMTP id j0KLqaGT031396; Thu, 20 Jan 2005 16:52:36 -0500 (EST) (envelope-from mike@sentex.net) Received: from avscan2.sentex.ca ([127.0.0.1]) by localhost (avscan2.sentex.ca [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 30572-09; Thu, 20 Jan 2005 16:52:36 -0500 (EST) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by avscan2.sentex.ca (8.12.11/8.12.11) with ESMTP id j0KLqavY031373; Thu, 20 Jan 2005 16:52:36 -0500 (EST) (envelope-from mike@sentex.net) Received: from simian.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.12.11/8.12.11) with ESMTP id j0KLqTQo046869; Thu, 20 Jan 2005 16:52:29 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <6.2.0.14.0.20050120165105.10d565d8@64.7.153.2> X-Mailer: QUALCOMM Windows Eudora Version 6.2.0.14 Date: Thu, 20 Jan 2005 16:54:06 -0500 To: "Jim C. Nasby" , freebsd-stable@freebsd.org From: Mike Tancsa In-Reply-To: <20050120213906.GC67721@decibel.org> References: <20050120213906.GC67721@decibel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Virus-Scanned: by amavisd-new X-Virus-Scanned: by amavisd-new at avscan2b Subject: Re: Disabling write-behind on IDE drives, and SMART X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Jan 2005 21:52:37 -0000 At 04:39 PM 20/01/2005, Jim C. Nasby wrote: >Question one: how do I disable write caching on IDE drives? I know the >setting is hw.ata.wc=0, but where do I put that? In loader.conf? This is >FreeBSD 4.10, btw. Yes, you can put it in there. >Also, has any thought been given to making the default 0, like it is for >SCSI devices? I'm honestly surprised and disappointed that the default >is speed over data integrity. It has been discussed quite a bit before and for a number of reasons, the default on was chosen. (google if you want to see the various reasons) >Question two: is there any support for SMART in FreeBSD? RELENG_5 with /usr/ports/sysutils/smartmontools/ works really well. But you need to move to RELENG_5. ---Mike