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Date: Thu, 13 Nov 2003 00:54:18 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: Peter Jeremy <PeterJeremy@optushome.com.au>
Message-ID: <20031113085418.GA47995@xor.obsecurity.org>
References: <20031113020400.GA44619@xor.obsecurity.org>
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cc: Kris Kennaway <kris@obsecurity.org>
Subject: Re: Who needs these silly statfs changes...
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On Thu, Nov 13, 2003 at 06:44:25PM +1100, Peter Jeremy wrote:
> On Wed, Nov 12, 2003 at 06:04:00PM -0800, Kris Kennaway wrote:
> >...my sparc machine reports that my i386 nfs server has 15 exabytes of
> >free space!
> >
> >enigma# df -k
> >Filesystem  1K-blocks     Used             Avail Capacity  Mounted on
> >rot13:/mnt2  56595176 54032286 18014398507517260     0%    /rot13/mnt2
>=20
> 18014398507517260 =3D 2^54 - 1964724.  and 2^54KB =3D=3D 2^64 bytes.  Is =
it
> possible that rot13:/mnt2 has negative free space?  (ie it's into the
> 8-10% reserved area).

Yes, that's precisely what it is..the bug is either in df or the
kernel (I suspect the latter, i.e. something in the nfs code).

Kris

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