From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.62) (envelope-from ) id 1HbNcV-0001Oy-47 for garchives@archives.gentoo.org; Tue, 10 Apr 2007 21:11:19 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.14.0/8.14.0) with SMTP id l3AL847N022735; Tue, 10 Apr 2007 21:08:04 GMT Received: from moa.ifa.hawaii.edu (moa.IfA.Hawaii.Edu [128.171.168.48]) by robin.gentoo.org (8.14.0/8.14.0) with ESMTP id l3AL82Dx022686 for ; Tue, 10 Apr 2007 21:08:03 GMT Received: by moa.ifa.hawaii.edu (Postfix, from userid 1041) id 250FAB3E16; Tue, 10 Apr 2007 11:12:53 -1000 (HST) Date: Tue, 10 Apr 2007 11:12:53 -1000 From: Joshua Hoblitt To: gentoo-amd64@lists.gentoo.org Cc: tytso@thunk.org Subject: Re: [gentoo-amd64] trouble creating an ext3 filesystem > 8TB Message-ID: <20070410211253.GA24125@ifa.hawaii.edu> References: <20070410000909.GB7309@ifa.hawaii.edu> <20070410001243.GC7309@ifa.hawaii.edu> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-amd64@gentoo.org Reply-to: gentoo-amd64@lists.gentoo.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="mYCpIKhGyMATD0i+" Content-Disposition: inline In-Reply-To: <20070410001243.GC7309@ifa.hawaii.edu> X-Archives-Salt: 3f296279-b055-4377-a112-0c5b8ba1a566 X-Archives-Hash: 44a367393fcb7c7ef68e58fad4a71d2f --mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable After looking through various patches that were posted to LKML, I discovered that passing "-F" to mke2fs seems to make this work as expected. However, this behavior seems to be undocumented and that makes me more then a little nervous. The resulting filesystem does seem to be mountable: /dev/sda4 11T 173M 11T 1% /export/ipp003.0 Is this feature undocumented for a reason or is it just unsupported? -J -- On Mon, Apr 09, 2007 at 02:12:43PM -1000, Joshua Hoblitt wrote: > Ps. I've looked through e2fsprogs configure.in and it doesn't look like > there's a magic flag to enable this support either. >=20 > -J >=20 > -- > On Mon, Apr 09, 2007 at 02:09:10PM -1000, Joshua Hoblitt wrote: > > After reading in the kernel changelog that 2.6.19 should support ext3 > > filesystems up to 16TB in size, I tried to create an 11TB filesystem. > > Attempting to do so gets this error from mke2fs: > >=20 > > # mke2fs -j -J size=3D400 -O sparse_super,dir_index -i32768 -m1 /dev/sd= a4=20 > > mke2fs 1.39 (29-May-2006) > > mke2fs: Filesystem too large. No more than 2**31-1 blocks > > (8TB using a blocksize of 4k) are currently supported. > > # mke2fs -j /dev/sda4 > > mke2fs 1.39 (29-May-2006) > > mke2fs: Filesystem too large. No more than 2**31-1 blocks > > (8TB using a blocksize of 4k) are currently supported. > >=20 > > This is on a system running 2.6.19-gentoo-r5 with sys-fs/e2fsprogs-1.39 > >=20 > > ChangeLog for in kernel 16TB ext3 support: > >=20 > > http://git.kernel.org/?p=3Dlinux/kernel/git/torvalds/linux-2.6.git;a=3D= commit;h=3D855565e81ad8940cc645b5110ec2c7f124a76d23 > >=20 > > Release notes for e2fsprogs claiming 16TB support (2**32 blocks). > >=20 > > http://e2fsprogs.sourceforge.net/e2fsprogs-release.html#1.39 > >=20 > > Any idea what I am missing? > >=20 > > Cheers, > >=20 > > -J > >=20 > > -- >=20 >=20 --mYCpIKhGyMATD0i+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFGG/3VWa2BU+b7tU0RAllAAJ9fS3M9HL9tcXPOatYSiW1Z4IGJuACfcquN jdtklTLv19zvlEQjBvO/7Yo= =iSou -----END PGP SIGNATURE----- --mYCpIKhGyMATD0i+-- -- gentoo-amd64@gentoo.org mailing list