Date: Fri, 17 Apr 2015 10:25:48 -0400 From: Alex Merritt <merritt.alex@gmail.com> To: "lokadamus@gmx.de" <lokadamus@gmx.de> Cc: questions@freebsd.org Subject: Re: Disk space allocation Message-ID: <CADK3taJbqXgwBtQhtzCWJ78xxwCzAPg26_M--kSNDs=hWKmw-w@mail.gmail.com> In-Reply-To: <553113AD.6000502@gmx.de> References: <CADK3ta%2B_ky-GrUH8c50s1zYKQ4kU8n0C2dubXYh7r1VrGecHxw@mail.gmail.com> <553113AD.6000502@gmx.de>
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On Fri, Apr 17, 2015 at 10:07 AM, lokadamus@gmx.de <lokadamus@gmx.de> wrote: > 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 > I am using DragonFly BSD, and "geom" does not seem to be in the package repository. I mailed here assuming it is not a distro-specific characteristic. The file system is UFS. What do you mean use it with 110%?
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