From owner-freebsd-geom@FreeBSD.ORG Mon Jun 14 22:16:52 2004 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7C15716A4CE for ; Mon, 14 Jun 2004 22:16:52 +0000 (GMT) Received: from spiff.melthusia.org (spiff.melthusia.org [207.67.244.17]) by mx1.FreeBSD.org (Postfix) with ESMTP id 53DC943D4C for ; Mon, 14 Jun 2004 22:16:52 +0000 (GMT) (envelope-from gtetlow@spiff.melthusia.org) Received: from spiff.melthusia.org (gtetlow@localhost [127.0.0.1]) by spiff.melthusia.org (8.12.10/8.12.10) with ESMTP id i5EM9WGc052650; Mon, 14 Jun 2004 15:09:32 -0700 (PDT) (envelope-from gtetlow@spiff.melthusia.org) Received: (from gtetlow@localhost) by spiff.melthusia.org (8.12.10/8.12.10/Submit) id i5EM9VLN052649; Mon, 14 Jun 2004 15:09:31 -0700 (PDT) (envelope-from gtetlow) Date: Mon, 14 Jun 2004 15:09:31 -0700 From: Gordon Tetlow To: Poul-Henning Kamp Message-ID: <20040614220931.GR10016@spiff.melthusia.org> References: <87385.1087146851@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="0iexB5Bk8cF8G6DP" Content-Disposition: inline In-Reply-To: <87385.1087146851@critter.freebsd.dk> X-Habeas-SWE-1: winter into spring X-Habeas-SWE-2: brightly anticipated X-Habeas-SWE-3: like Habeas SWE (tm) X-Habeas-SWE-4: Copyright 2002 Habeas (tm) X-Habeas-SWE-5: Sender Warranted Email (SWE) (tm). The sender of this X-Habeas-SWE-6: email in exchange for a license for this Habeas X-Habeas-SWE-7: warrant mark warrants that this is a Habeas Compliant X-Habeas-SWE-8: Message (HCM) and not spam. Please report use of this X-Habeas-SWE-9: mark in spam to . User-Agent: Mutt/1.5.5.1i cc: geom@freebsd.org Subject: Re: GEOM class idea... X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jun 2004 22:16:52 -0000 --0iexB5Bk8cF8G6DP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jun 13, 2004 at 07:14:11PM +0200, Poul-Henning Kamp wrote: >=20 > OK, here is one of the more nasty ideas for a GEOM class: >=20 > Many of us read CD's into iso images, stick them on a harddisk and > mount them from there when we need to access them. This usually > costs us a md(4) vnode gadget, and that is really a waste. =2E.. description of grotty geom class ... I can't imagine that all the pain that you are talking about is a worthwhile effort when it's so easy to do a md backed file. I can just about guarentee that users will have spare files and capacity before they have a spare disk running around. Maybe I'm missing something here, but what is the advantage of going straight off of the disk? Are you trying to avoid the FFS filesystem overhead? -gordon --0iexB5Bk8cF8G6DP Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAziIbRu2t9DV9ZfsRAo/DAKC9PWuQFQg5hJJyMe0NG661B9wNVQCg0+SR pHPMRmXEs5lCJFvyV+mLHtQ= =0kZK -----END PGP SIGNATURE----- --0iexB5Bk8cF8G6DP--