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>
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[-- Attachment #1 --] 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? > > > > > > > > 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. > > This is the maximum *partition* size. From /sys/ufs/ffs/fs.h, we have in > the definition of "struct fs" the following: > > int32_t fs_size /* number of blocks in fs */ > > Hence a filesystem can have 2^31 blocks, or 2 gigablocks. > > 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 [-- Attachment #2 --] -----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-----home | help
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