Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 31 May 2001 21:46:51 -0700
From:      Kris Kennaway <kris@obsecurity.org>
To:        Andrew Hesford <ajh3@usrlib.org>
Cc:        Kris Kennaway <kris@obsecurity.org>, Rick Hamell <hamellr@heorot.1nova.com>, Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de>, questions@FreeBSD.ORG
Subject:   Re: 2GB filesize limit?
Message-ID:  <20010531214651.A14822@xor.obsecurity.org>
In-Reply-To: <20010531231841.B46862@core.usrlib.org>; from ajh3@usrlib.org on Thu, May 31, 2001 at 11:18:41PM -0500
References:  <200105310943.f4V9hgX04825@gilberto.physik.rwth-aachen.de> <Pine.BSF.4.21.0105300906180.38491-100000@heorot.1nova.com> <20010531114130.A45461@core.usrlib.org> <20010531120721.F96927@xor.obsecurity.org> <20010531231841.B46862@core.usrlib.org>

next in thread | previous in thread | raw e-mail | index | archive | help

--FCuugMFkClbJLl1L
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Thu, May 31, 2001 at 11:18:41PM -0500, Andrew Hesford wrote:
> On Thu, May 31, 2001 at 12:07:21PM -0700, Kris Kennaway wrote:
> > On Thu, May 31, 2001 at 11:41:30AM -0500, Andrew Hesford wrote:
> > > On Wed, May 30, 2001 at 09:06:54AM -0700, Rick Hamell wrote:
> > > > > What is currently FreeBSD's max file size?=20
> > > > >
> > > Maximum filesystem size is 2 gigablocks, maximum file size is 1
> > > gigablock.
> > Actually the max FS size is 2^31 sectors (usually 512 bytes), not
> > blocks.  That comes out to 1 TB.
>=20
> This is the maximum *partition* size. From /sys/ufs/ffs/fs.h, we have in
> the definition of "struct fs" the following:
>=20
> 	int32_t fs_size		/* number of blocks in fs */
>=20
> Hence a filesystem can have 2^31 blocks, or 2 gigablocks.=20
>=20
> For you, this means a whopping 32T filesystem (since you do use the 16k
> block size.

How can you have a filesystem larger than a logical partition?  AFAIK,
that limitation applies even if you're not using a single physical
partition (e.g. vinum/ccd).

Kris

--FCuugMFkClbJLl1L
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (FreeBSD)
Comment: For info see http://www.gnupg.org

iD8DBQE7Fx46Wry0BWjoQKURAhiuAJ98ViP6fHjBkh+jxeC/n6B87qI9gACgvwpa
/Np8WsNDXFW1qzCUkBM2jYQ=
=sRLc
-----END PGP SIGNATURE-----

--FCuugMFkClbJLl1L--

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010531214651.A14822>