Date: Fri, 12 Aug 2011 20:00:47 -0300 From: Rodrigo Gonzalez <rjgonzale@estrads.com.ar> To: Alain AUDEBERT aka 2A <deuza@me.com> Cc: freebsd-questions@freebsd.org Subject: Re: Don't understand df/du output Message-ID: <4E45B09F.6010804@estrads.com.ar> In-Reply-To: <5F5BA901-50F2-4F5F-A1A6-1267E5B7C212@me.com> References: <5F5BA901-50F2-4F5F-A1A6-1267E5B7C212@me.com>
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On 08/12/2011 06:58 PM, Alain AUDEBERT aka 2A wrote: > Hello list, > > I having a problem to understand the output of du and df command : > > [root@ftp ~]# df -h /opt/ > Filesystem Size Used Avail Capacity Mounted on > /dev/xbd6 387G 342G 13G 96% /opt > > [root@ftp ~]# du -sh /opt/ > 342G /opt/ > > But 387Go - 342Go not equal to 13Go ! Where's the available space ? > (same thing with df -k) > > I have try a tunefs -m 1 /dev/xbd6, unmount, mount and nothing change > Is it the 8% reserved by FFS ? Yes read http://www.freebsd.org/doc/en/books/faq/disks.html Question *9.27* (last one) > > Regards, > > Alain >
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