From owner-freebsd-questions@FreeBSD.ORG Fri Apr 17 14:07:52 2015 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id AE5D3890 for ; Fri, 17 Apr 2015 14:07:52 +0000 (UTC) Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mout.gmx.net", Issuer "TeleSec ServerPass DE-1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 45ABD7A2 for ; Fri, 17 Apr 2015 14:07:52 +0000 (UTC) Received: from [192.168.0.143] ([95.91.226.254]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0MNZgw-1YhRyO3Uug-007Byj; Fri, 17 Apr 2015 16:07:42 +0200 Message-ID: <553113AD.6000502@gmx.de> Date: Fri, 17 Apr 2015 16:07:41 +0200 From: "lokadamus@gmx.de" User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Alex Merritt , questions@freebsd.org Subject: Re: Disk space allocation References: In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:n4G+/RIr10mbjtoHBTxHqQtQnYS7p/eYE9aql8VvYNLX/3gDTGT 4YMuMgELgxl+ymAQu6zGHqWBtPWA2tf5LWulW0esdRdGayAJUI4Ao9krSoGCxwc9iRlKy6q r0Ebs4A/NBsjMyfgWT2X2Le8ak4zF8o86Ooa3ASscQqQjFnkGL/ec24DR8ibCqwlUJsj33u OdUfubjGL/iMXAayiB39g== X-UI-Out-Filterresults: notjunk:1; X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Apr 2015 14:07:52 -0000 On 04/15/15 20:45, Alex Merritt wrote: > Hello, > > File systems such as ext3/4 reserve some amount of space for allocation > only by privileged users, which can be adjusted, e.g. > > tune2fs -m reserved-blocks-percentage /dev/sdaN > > I installed a BSD system using Virtualbox, giving it an 8GB disk, but 'df' > shows an aggregate size among all mount points to be less than the > capacity. The minfree parameter to tunefs defaults to 8% (see below) but 8% > does not account for the difference in 8189MB capacity vs sum of ca. 6G > among all file systems (shown by df). There's ca. 27% of capacity > unavailable. > > What could I be missing here? > > # fdisk > [...] > The data for partition 1 is: > sysid 165,(DragonFly/FreeBSD/NetBSD/386BSD) > start 63, size 16773057 (8189 Meg), flag 80 (active) > beg: cyl 0/ head 1/ sector 1; > end: cyl 1023/ head 255/ sector 63 > > # dumpfs /dev/ad0s1a | grep minfree > minfree 8% optim time maxcontig 15 maxbpg 2048 > > # df -hT > Filesystem Type Size Used Avail Capacity Mounted on > /dev/serno/--.s1a ufs 620M 140M 431M 24% / > devfs devfs 1.0K 1.0K 0B 100% /dev > /dev/serno/--.s1d ufs 2.2G 396K 2.0G 0% /home > /dev/serno/--.s1e ufs 248M 10K 228M 0% /tmp > /dev/serno/--.s1f ufs 2.6G 1.5G 882M 64% /usr > /dev/serno/--.s1g ufs 248M 213M 15M 93% /var > procfs procfs 4.0K 4.0K 0B 100% /proc > > Thanks! > Alex > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > Which filesystem and FreeBSD Version you are using? UFS/ UFS2 have an option, that in default setting 10% are reserved. So you can use your partition with 110%. Greetings