Don't understand df/du output
Polytropon
freebsd at edvax.de
Fri Aug 12 22:35:29 UTC 2011
On Fri, 12 Aug 2011 23:58:12 +0200, Alain AUDEBERT aka 2A wrote:
> Hello list,
>
> I having a problem to understand the output of du and df command :
>
> [root at ftp ~]# df -h /opt/
> Filesystem Size Used Avail Capacity Mounted on
> /dev/xbd6 387G 342G 13G 96% /opt
>
> [root at 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 ?
See:
http://www.freebsd.org/doc/en/books/faq/disks.html#DU-VS-DF
--
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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