Date: Sun, 8 Jul 2012 02:30:40 -0500 (CDT) From: Robert Bonomi <bonomi@mail.r-bonomi.com> To: guru@unixarea.de Cc: freebsd-questions@freebsd.org Subject: Re: df(1) and missing space in partition /dev/ada0p2 Message-ID: <201207080730.q687Ue3H072127@mail.r-bonomi.com> In-Reply-To: <20120708064451.GB2365@tinyCurrent>
next in thread | previous in thread | raw e-mail | index | archive | help
> From owner-freebsd-questions@freebsd.org Sun Jul 8 01:46:23 2012 > Date: Sun, 8 Jul 2012 08:44:51 +0200 > From: Matthias Apitz <guru@unixarea.de> > To: freebsd-questions@freebsd.org > Subject: df(1) and missing space in partition /dev/ada0p2 > > > Hello, > > I hace setup a fresh 10.0-CURRENT, this time using gpart(8) and I do not > understand why the sum of Used and Avail does not equal to the full space > of /dev/ada0p2: > A traditional UFS filesstem reserves the last 10% of the disk capacity for the exclusive use of the superuser. 'Avail' represents the space that is available to _any_ user. Thus, on an absolutely _empty_ filesystem, 'avail' will be only 90% of 'total'. 'man tunefs' and see 'minfree' for the gory details.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201207080730.q687Ue3H072127>