From owner-freebsd-questions@FreeBSD.ORG Mon Jun 30 16:30:40 2008 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 5A87B1065672 for ; Mon, 30 Jun 2008 16:30:40 +0000 (UTC) (envelope-from stapleton.41@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.181]) by mx1.freebsd.org (Postfix) with ESMTP id 1488D8FC18 for ; Mon, 30 Jun 2008 16:30:39 +0000 (UTC) (envelope-from stapleton.41@gmail.com) Received: by py-out-1112.google.com with SMTP id p76so333024pyb.10 for ; Mon, 30 Jun 2008 09:30:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:subject :cc:in-reply-to:mime-version:content-type:content-transfer-encoding :content-disposition:references; bh=5bn20SDuEIqOReTIafiZS6f/8aJ2bgd3BTmDoVeihQg=; b=aSaZQQXU/G9/c6UxijgPjo76bH5SW7K9Odss1xzYOGjhIRm0lF4jlEISSdkZ6FzFRE kp2uA6EojEY2/YZUcXWQMsAbApi+Xytu6SLXFcFVJTbWll694I7DQFel9qrlu6GnFmni TeL59boerMGcEVomLHi+JPpPb069LpFBemyiA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=XcIKZVe58B+HrFxLT1j6UthvwJo5NLRppiArK9cCEw6y/TiXn5U4MkuWJiA4nTGmVU XRIF6Aa/FZI3WnhDW7vyF7JcNpZJZTsMjsNHi2lrxcIAM2Q2rmdilAhBsFlSfQbDNKQR tWSTlEhGAodT1TME2hj1A3/dFaIJ+T35Gp2IU= Received: by 10.114.170.1 with SMTP id s1mr4350091wae.133.1214843438699; Mon, 30 Jun 2008 09:30:38 -0700 (PDT) Received: by 10.114.150.18 with HTTP; Mon, 30 Jun 2008 09:30:38 -0700 (PDT) Message-ID: <80f4f2b20806300930p67ca1fd5xf9ad59d16889df36@mail.gmail.com> Date: Mon, 30 Jun 2008 12:30:38 -0400 From: Jim Cc: freebsd-questions@freebsd.org In-Reply-To: <20080630073059.be11304d.wmoran@potentialtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <80f4f2b20806300401x71483882x8e9a6cf919f1ff9@mail.gmail.com> <20080630073059.be11304d.wmoran@potentialtech.com> Subject: Re: filesystem information 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: Mon, 30 Jun 2008 16:30:40 -0000 On Mon, Jun 30, 2008 at 7:30 AM, Bill Moran wrote: > In response to Jim : > >> I have a computer that is in a situation where it is losing power >> occasionally. All but one of the filesystems are going along fine. >> Once file system seems to lose data on a power outage. Even if it only >> reads a file, and doesn't write it, it may still lose a file (ex, >> about half the audio files on my xmms playlist, a couple data files in >> my wine directory that, to my knowledge, are unlikely to be written >> after they are first installed). >> >> What I'd like to do is get an output of the flags and options on my >> filesystems to see what is different between that filesystem and the >> others. Any suggestion on how to do that? This particular FS has >> lasted through several rebuilds since it doesn't hold OS critical >> stuff, just data files. > > tunefs -p and/or dumpfs -m > >> Any suggestions? > > Sounds like you're on the right track with hunting this down. Perhaps > turn softupdates off and mount the filesystem sync if you're seeing > lots of power outages. > > -- > Bill Moran > http://www.potentialtech.com > Thanks, it looks like the 'good' filesystems have softupdates off (except one), and the one the broke has it off. I thought softupdates were supposed to fix this? Is gjournal a better solution? Is 'just use neither' a better solution? Any reference material on the subject would be appreciated (I'm about to use google now). Thanks, -Jim Stapleton