From owner-freebsd-fs@FreeBSD.ORG Fri Jun 6 16:52:52 2003 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9698337B404 for ; Fri, 6 Jun 2003 16:52:52 -0700 (PDT) Received: from odin.ac.hmc.edu (Odin.AC.HMC.Edu [134.173.32.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1874343FCB for ; Fri, 6 Jun 2003 16:52:50 -0700 (PDT) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (IDENT:brdavis@localhost.localdomain [127.0.0.1]) by odin.ac.hmc.edu (8.12.9/8.12.3) with ESMTP id h56NqlvN001026 for ; Fri, 6 Jun 2003 16:52:47 -0700 Received: (from brdavis@localhost) by odin.ac.hmc.edu (8.12.9/8.12.3/Submit) id h56NqljO001025 for fs@freebsd.org; Fri, 6 Jun 2003 16:52:47 -0700 Date: Fri, 6 Jun 2003 16:52:47 -0700 From: Brooks Davis To: fs@freebsd.org Message-ID: <20030606235247.GA29775@Odin.AC.HMC.Edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="mP3DRpeJDSE+ciuQ" Content-Disposition: inline User-Agent: Mutt/1.5.4i X-Virus-Scanned: by amavisd-milter (http://amavis.org/) on odin.ac.hmc.edu Subject: IFS X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Jun 2003 23:52:52 -0000 --mP3DRpeJDSE+ciuQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Does anyone know of any efforts to reimplement IFS on UFS2 or have a good idea how much work it would be? I'm wondering because we have an application where where a fully current UFS2 based IFS is close to a perfect fit. The application is the Storage Resource Broker which uses a relational database to store metadata indexing for files in a variety of storage methods. The main online storage method uses the usual trick of hashing into directories. We should be able to get by with that, but IFS seems like a much better fit. This year we're buying about 12TB of storage that I'm going to be running FreeBSD on (4U, 16 drive IDE systems). Next year, we hope to buy 160TB and the final project will us on the order of 2PB of NASA satellite data and processed data products. Fortunatly for us, most files are big (about 1GB). -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --mP3DRpeJDSE+ciuQ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE+4SlOXY6L6fI4GtQRAqaIAJ9QyYz1jPj38hnnxtFAzctp0G3P4QCg5OB9 T9ff3pMn5sToBJDF6Cen8D0= =9MpF -----END PGP SIGNATURE----- --mP3DRpeJDSE+ciuQ--