From owner-freebsd-fs@FreeBSD.ORG Fri Sep 21 12:55:35 2007 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BACFE16A418 for ; Fri, 21 Sep 2007 12:55:35 +0000 (UTC) (envelope-from freebsd-fs@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 73ACF13C458 for ; Fri, 21 Sep 2007 12:55:35 +0000 (UTC) (envelope-from freebsd-fs@m.gmane.org) Received: from root by ciao.gmane.org with local (Exim 4.43) id 1IYi2A-0003br-7D for freebsd-fs@freebsd.org; Fri, 21 Sep 2007 14:55:02 +0200 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 21 Sep 2007 14:55:02 +0200 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 21 Sep 2007 14:55:02 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-fs@freebsd.org From: Ivan Voras Date: Fri, 21 Sep 2007 14:50:14 +0200 Lines: 40 Message-ID: References: <46F3A64C.4090507@fluffles.net> <46F3B4B0.40606@freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-ripemd160; protocol="application/pgp-signature"; boundary="------------enigAF8FCB6DAC7E006ECCEEFF0A" X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Thunderbird 1.5.0.12 (X11/20060911) In-Reply-To: <46F3B4B0.40606@freebsd.org> X-Enigmail-Version: 0.94.4.0 Sender: news Subject: Re: Writing contigiously to UFS2? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Sep 2007 12:55:35 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigAF8FCB6DAC7E006ECCEEFF0A Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Eric Anderson wrote: > The largest file size per chunk in a cylinder group is calculated at=20 > newfs time, which determines also how many cylinder groups there should= =20 > be. I think the largest size I've seen was something in the 460MB-ish = > range, meaning any contiguous write above that would span more than one= =20 > cylinder group. Hmm, how did you manage to create a file system with such large cylinder = groups? I've experimented with smallnum-TB file systems and still=20 couldn't make them larger than around 190 MB (though I wasn't actively=20 trying, just observed how they turned out). --------------enigAF8FCB6DAC7E006ECCEEFF0A Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFG874GldnAQVacBcgRA1XJAJ9jISCU8p5tg387omks1VmQ5CL82wCeKmOT nf1/+zIzxUZdPm12/ii9SsE= =S1wz -----END PGP SIGNATURE----- --------------enigAF8FCB6DAC7E006ECCEEFF0A--