Re: [gentoo-user] 320GB hard drive maxed at ~280GB?

[Grant <emailgrant@gmail.com>]

> > > I have a 320GB hard drive with a small swap partition, a small boot
> > > partition, and the remainder in the root partition.  'du -sh /' says
> > > 278G and a mkisofs command failed with no space left on device.  What
> > > happened to the rest of the gigs?
> >
> > If you formatted with ext3/ext2, 5% is reserved for root, and will not
> > appear in df output.  This would account for about 15G.  Another 7.3%
> > (or about 23G) is lost due to the fact that linux and df count 1GB as
> > 1073741824 bytes, while manufactures sell drives counting 1GB as
> > 1000000000 bytes.
>
> And just so I can talk to myself in cyberspace just like real life,
> I'll reply to my own posting...
>
> You can use tune2fs -m 0 to change the ext2/ext3 reserved blocks
> percentage to 0 to 'recover' some of that space.
>
> -Richard

Thanks a lot, very informative.  I ran 'tune2fs -m 1 /dev/sda3' to
crank the reserved space down to 1%.  Time to start re-authoring my
DVD backups.

- Grant
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