where is my remaining space ????

[Bruno Wolff III]

On Tue, Feb 23, 2010 at 10:38:42 +0000,
  Alan Cox <alan at lxorguk.ukuu.org.uk> wrote:
> 
> Plus about 5% is usually reserved space for the superuser. That makes
> some sense on the root partition and systems parts of the disk - although
> today 5% is perhaps excessive. For other partitions its less sensible.
> You can tune the reserved size with tune2fs -m

I think 5% is excessive these days. I typically change it to 1% for most of my
file systems. The -m option does take numbers with a decimal point, so that
you can reserve less than 1% with the -m option rather than switching to
using -r to specify a specific reserve size rather than a relative one.