[CentOS] How do I check the real size of a filesystem?
William L. Maltby
CentOS4Bill at triad.rr.com
Fri Jul 4 15:02:15 UTC 2008
On Fri, 2008-07-04 at 15:29 +0100, Kevin Thorpe wrote:
> > > > Kevin Thorpe wrote:
> > > > > I'm having a spot of bother with a large (900GB)
> > partition. fdisk
> > > > > claims it's 900GB. I made an ext3 fs on it and df says it's
> > > only
> > > > > 94GB. Which is correct? Or did I do something wrong?
> > > parted claims it's 879GB so the partition appears to be ok. Have I
> > > managed to format a small filesystem on a large partition?
> > I suggest running e2fsck -n. See the man page. Then, think of
> > the -m parameter. The default, IIRC, is 5%. On small drives
> > of the past this was appropriate. Now, I make most of mine with 1%.
> > 900GB * .05 = appx. 45GB. There's your loss.
> I'm not bothered about an odd 45GB, it's that df says it's only 94GB
> in total that worries me.
That was just an aside. The -n, IIRC would be the useful thing. There's
other things you can do to: "df -ih".
The point was that the -n will tell you what you want to know without
having to actually read the man page(s).
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