[Q] Where does all the space go?

kwijibo at zianet.com kwijibo at zianet.com
Thu May 19 17:55:02 UTC 2005

Investigate the -m option of mkfs.ext2/3 or tune2fs.
The default is 5%.

Maurice Volaski wrote:
> I created a filesystem as follows:
> mke2fs -j -O dir_index -O sparse_super -T largefile /dev/drbd/6
> Here's the the output from df
> Filesystem            Size  Used Avail Use%
> /dev/drbd/6           475G   33M  452G   1%
> It seems that ext3 has taken 23 GB, which is about 5% of the total disk 
> size, for itself. Is that right?
> If that is, indeed, the case, why does df just list 33M as being used?

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