From owner-freebsd-hackers@FreeBSD.ORG Fri Jul 18 01:25:52 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EA951106564A for ; Fri, 18 Jul 2008 01:25:52 +0000 (UTC) (envelope-from doconnor@gsoft.com.au) Received: from cain.gsoft.com.au (cain.gsoft.com.au [203.31.81.10]) by mx1.freebsd.org (Postfix) with ESMTP id 363188FC08 for ; Fri, 18 Jul 2008 01:25:51 +0000 (UTC) (envelope-from doconnor@gsoft.com.au) Received: from inchoate.gsoft.com.au (ppp121-45-181-2.lns11.adl2.internode.on.net [121.45.181.2]) (authenticated bits=0) by cain.gsoft.com.au (8.13.8/8.13.8) with ESMTP id m6I1PjpA017510 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 18 Jul 2008 10:55:45 +0930 (CST) (envelope-from doconnor@gsoft.com.au) From: "Daniel O'Connor" To: freebsd-hackers@freebsd.org Date: Fri, 18 Jul 2008 10:55:27 +0930 User-Agent: KMail/1.9.7 References: <482257ad0807141106m679ec19frd853339637d27a2d@mail.gmail.com> <200807151538.38285.doconnor@gsoft.com.au> <482257ad0807160031k34980a19na9895f38f125d4e0@mail.gmail.com> In-Reply-To: <482257ad0807160031k34980a19na9895f38f125d4e0@mail.gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2229487.Isn8Q43yRk"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200807181055.41216.doconnor@gsoft.com.au> X-Spam-Score: -2.212 () BAYES_00,RDNS_DYNAMIC X-Scanned-By: MIMEDefang 2.63 on 203.31.81.10 Cc: Tapan Chaudhari Subject: Re: Can I change the device of the "/" mount point at boot time. X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Jul 2008 01:25:53 -0000 --nextPart2229487.Isn8Q43yRk Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wed, 16 Jul 2008, Tapan Chaudhari wrote: > > My first question would be "Why do you want to do that?" > > I am planning to write a block level snapshot driver. OK. You might want to look at geom_journal I guess. > > I think you'd have a lower overhead and much less hassle writing a > > GEOM class and using that. > > This sounds good. I will try using GEOM first. But if I could achieve > interception, as I described earlier, I will go for that rather than > redirection. I think using GEOM is the "Right Way" in FreeBSD for this. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart2229487.Isn8Q43yRk Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.8 (FreeBSD) iD8DBQBIf/EV5ZPcIHs/zowRAkh5AJ0VEbRza3nE4+0AIUtQgTGzUjQd+wCeK26M 2CNItAFjYkOZDABd2/uPqVw= =YcPl -----END PGP SIGNATURE----- --nextPart2229487.Isn8Q43yRk--