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List: centos
Subject: RE: [CentOS] How do I check the real size of a filesystem?
From: "William L. Maltby" <CentOS4Bill () triad ! rr ! com>
Date: 2008-07-04 14:30:06
Message-ID: 1215181806.4039.101.camel () centos501 ! homegroannetworking
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On Fri, 2008-07-04 at 14:09 +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?
> >
> > If this partition is on a LARGER drive, you may need to use
> > parted and
> > not fdisk to create your partitions. Large drives need gpt
> > labels and
> > are not able to be partitioned with fdisk.
> >
> > However, that is not usually a problem with 900GB drive.
>
> 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.
> <snip>
HTH
--
Bill
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