From owner-freebsd-current@FreeBSD.ORG Tue May 30 01:52:39 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DD71E16A473; Tue, 30 May 2006 01:52:39 +0000 (UTC) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (Odin.AC.HMC.Edu [134.173.32.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8530B43D53; Tue, 30 May 2006 01:52:39 +0000 (GMT) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (localhost.localdomain [127.0.0.1]) by odin.ac.hmc.edu (8.13.0/8.13.0) with ESMTP id k4U1qdPD028146; Mon, 29 May 2006 18:52:39 -0700 Received: (from brdavis@localhost) by odin.ac.hmc.edu (8.13.0/8.13.0/Submit) id k4U1qY7Y028113; Mon, 29 May 2006 18:52:34 -0700 Date: Mon, 29 May 2006 18:52:34 -0700 From: Brooks Davis To: Paul Allen Message-ID: <20060530015234.GB26022@odin.ac.hmc.edu> References: <447AB34C.4030509@sippysoft.com> <11410450515.20060529225555@lacave.net> <447B77AF.9060309@samsco.org> <447B7A55.7040704@FreeBSD.org> <447B7CB7.5000000@FreeBSD.org> <447B8900.4050603@samsco.org> <20060530004328.GF28128@groat.ugcs.caltech.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="BwCQnh7xodEAoBMC" Content-Disposition: inline In-Reply-To: <20060530004328.GF28128@groat.ugcs.caltech.edu> User-Agent: Mutt/1.4.1i X-Virus-Scanned: by amavisd-new Cc: gallatin@freebsd.org, "current@freebsd.org" Subject: Re: Importing iSCSI target from NetBSD X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 May 2006 01:52:40 -0000 --BwCQnh7xodEAoBMC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 29, 2006 at 05:43:28PM -0700, Paul Allen wrote: > >From Scott Long , Mon, May 29, 2006 at 05:51:28PM -06= 00: > > >P.S. Just to make it clear - just consider running iSCSI over 100MBps= =20 > > >link or even a slower WAN links, which I think covers very large marke= t=20 > > >for this technology now. Performance constrain imposed by running in= =20 > > >userland is unlikely to be an issue at all. > > > > > >-Maxim > >=20 > > Every company and group that I've talked to about iSCSI is worried about > > performance. In any case, please follow the lead of Mr. Senault and > > look at making this a port. > >=20 > > Scott >=20 > And in particular the anticipation of low(er) cost 10Gb Ethernet is a > driving factor behind iSCSI. >=20 > AFAIK, the low-latency performer in this field (for NICs) is from Myricom. > Andrew Gallatin (one of the FreeBSD alpha committers) was responsible fo= r=20 > porting the myrinet drivers, so perhaps he can comment as to whether Free= BSD=20 > will be getting a driver for their 10GbE cards. Ethernet at these speeds= is=20 > real stress-test for many OSs; it should be interesting to see how FreeBS= D=20 > holds-up. There's a driver in current. We don't perform nearly as well as we should at the moment. -- 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 --BwCQnh7xodEAoBMC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFEe6ViXY6L6fI4GtQRAtrHAJsFqXfiFIWnG4B+G4c8jdbKlC585wCeNb9z ZC2KQK+/kvS6ZTU0H2UxZHw= =1AgE -----END PGP SIGNATURE----- --BwCQnh7xodEAoBMC--