From owner-freebsd-questions@FreeBSD.ORG Mon Jun 30 11:32:09 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 65710106564A for ; Mon, 30 Jun 2008 11:32:09 +0000 (UTC) (envelope-from wmoran@potentialtech.com) Received: from mail.potentialtech.com (internet.potentialtech.com [66.167.251.6]) by mx1.freebsd.org (Postfix) with ESMTP id 38DE68FC0C for ; Mon, 30 Jun 2008 11:32:09 +0000 (UTC) (envelope-from wmoran@potentialtech.com) Received: from vanquish.ws.pitbpa0.priv.collaborativefusion.com (pr40.pitbpa0.pub.collaborativefusion.com [206.210.89.202]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.potentialtech.com (Postfix) with ESMTPSA id E2460EBC08; Mon, 30 Jun 2008 07:32:07 -0400 (EDT) Date: Mon, 30 Jun 2008 07:30:59 -0400 From: Bill Moran To: Jim Message-Id: <20080630073059.be11304d.wmoran@potentialtech.com> In-Reply-To: <80f4f2b20806300401x71483882x8e9a6cf919f1ff9@mail.gmail.com> References: <80f4f2b20806300401x71483882x8e9a6cf919f1ff9@mail.gmail.com> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.9; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org 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 11:32:09 -0000 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