From owner-freebsd-questions@FreeBSD.ORG Sat Dec 10 13:47:35 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 16030106566B for ; Sat, 10 Dec 2011 13:47:35 +0000 (UTC) (envelope-from freebsd-questions@herveybayaustralia.com.au) Received: from mail.unitedinsong.com.au (mail.unitedinsong.com.au [150.101.178.33]) by mx1.freebsd.org (Postfix) with ESMTP id BFA9B8FC08 for ; Sat, 10 Dec 2011 13:47:34 +0000 (UTC) Received: from laptop1.herveybayaustralia.com.au (laptop1.herveybayaustralia.com.au [192.168.0.179]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mail.unitedinsong.com.au (Postfix) with ESMTPSA id 98DB15C24 for ; Sat, 10 Dec 2011 23:59:56 +1000 (EST) Message-ID: <4EE36250.6090503@herveybayaustralia.com.au> Date: Sat, 10 Dec 2011 23:44:48 +1000 From: Da Rock User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:7.0.1) Gecko/20111109 Thunderbird/7.0.1 MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <4EE32BB6.3020105@herveybayaustralia.com.au> <20111210114053.GA69009@orange.esperance-linux.co.uk> <20111210122042.2b355bc6@gumby.homeunix.com> In-Reply-To: <20111210122042.2b355bc6@gumby.homeunix.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: 9.0 install and journaling X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Dec 2011 13:47:35 -0000 On 12/10/11 22:20, RW wrote: > On Sat, 10 Dec 2011 11:40:53 +0000 > Frank Shute wrote: > >> On Sat, Dec 10, 2011 at 07:51:50PM +1000, R Skinner wrote: >>> possibly could, but it escaped me as to how. And before I do- I >>> looked up journaling on 9. I couldn't quite get to the bottom of >>> whether it is or isn't available/standard, or how to determine its >>> happening. I'm only interested because of unexpected >>> shutdowns/battery dead on the laptop- I also have 500G which is a >>> while to wait for fsck. Speed I'd like, but I have to consider >>> system integrity first. >> I'm unfamiliar with the new bsdinstaller but AFAIK it sets up a UFS2 >> filesystem for you. >> >> This comes with background fsck and softupdates which achieve the >> objective of not having to wait for a lengthy foreground fsck if you >> don't shutdown your laptop cleanly. >> >> >> but to be honest, I wouldn't bother in your position: it's just more >> stuff to go wrong for no appreciable gain to you. > 9.0 also supports soft-update journalling which eliminates the > background fsck. > > If you don't know whether it's on or not you can run > > tunefs -p / > > > If it's not on then tunefs can turn it on, but you will presumably need > to reboot into single user mode. > So how does soft-update journaling compare to gjournal? I'm using gjournal now and it runs a bit of a dog, but it is reliable (until another ufs filesystem turns up at boot) and necessary in my environment. Can I dump it for this new one? Its used on a laptop with heavy load on the disk, the power on the battery can run out too quick for batterymon to shut it down- plus kids that play silly monkeys with daddy's laptop... :)