From owner-freebsd-questions@FreeBSD.ORG Thu Jul 31 09:29:29 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E0746DF for ; Thu, 31 Jul 2014 09:29:29 +0000 (UTC) Received: from smtp1.work.de (smtp2.work.de [212.12.45.188]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A3DF920C0 for ; Thu, 31 Jul 2014 09:29:29 +0000 (UTC) Received: from [212.12.32.87] (helo=work.de) by smtp1.work.de with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1XCmfv-0003YG-7d for freebsd-questions@freebsd.org; Thu, 31 Jul 2014 11:29:27 +0200 Received: from [10.10.2.123] (helo=azubix.tec.work) by work.de with esmtp (Exim 4.69) (envelope-from ) id 1XCmg0-0005Cp-9j for freebsd-questions@freebsd.org; Thu, 31 Jul 2014 11:29:32 +0200 Date: Thu, 31 Jul 2014 11:29:26 +0200 From: Nils Effenberger To: freebsd-questions@freebsd.org Subject: Re: huge difference between du and df - no open file descriptors Message-ID: <20140731112926.217da976@azubix.tec.work> In-Reply-To: <20140730173224.76007499@azubix.tec.work> References: <20140730142609.1ac2bdc9@azubix.tec.work> <20140730173224.76007499@azubix.tec.work> Organization: n@work X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Jul 2014 09:29:29 -0000 On Wed, 30 Jul 2014 17:32:24 +0200 Nils Effenberger wrote: > Then I tried to create another (big) file which lead to the > following: > > > root@zhoernchen:~ # dd if=/dev/zero of=/root/test bs=1024 > count=3500000 > > /: write failed, filesystem is full > dd: /root/test: No space left on device > 38849+0 records in > 38848+0 records out > 39780352 bytes transferred in 0.422187 secs (94224517 bytes/sec) > root@zhoernchen:~ # df -h > Filesystem Size Used Avail Capacity Mounted on > /dev/mirror/root 4.8G 4.8G -395M 109% / > devfs 1.0K 1.0K 0B 100% /dev > root@zhoernchen:~ # rm test > root@zhoernchen:~ # df -h > Filesystem Size Used Avail Capacity Mounted on > /dev/mirror/root 4.8G 4.8G -395M 109% / > devfs 1.0K 1.0K 0B 100% /dev > > (Note that I deleted the 'test' file without effect.) > > du(1) still shows 2.2G: > > root@zhoernchen:~ # du -shx / > 2.2G / > > When I now try to create files I get ENOSPC :( > After running fsck over the mirror, which salvaged a few things df(1) was showing the right values again but the issue remained: UFS doesn't release disk space after I delete files. -- Nils Effenberger Junior UNIX-Administration n@work Internet Informationssysteme GmbH Wandalenweg 5, 20097 Hamburg, http://www.work.de E-Mail: effenberger@work.de, Tel: +49 40 2388090 - Fax: +49 40 23880929 HR B 61 668 - Amtsgericht Hamburg, Geschaeftsfuehrer: Jan Diegelmann