From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750978AbWDJQAz (ORCPT ); Mon, 10 Apr 2006 12:00:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750991AbWDJQAz (ORCPT ); Mon, 10 Apr 2006 12:00:55 -0400 Received: from lug-owl.de ([195.71.106.12]:28075 "EHLO lug-owl.de") by vger.kernel.org with ESMTP id S1750978AbWDJQAy (ORCPT ); Mon, 10 Apr 2006 12:00:54 -0400 Date: Mon, 10 Apr 2006 18:00:52 +0200 From: Jan-Benedict Glaw To: Jan Engelhardt Cc: Sumit Narayan , linux-kernel , ext3-users@redhat.com Subject: Re: deleting partition does not effect superblock? Message-ID: <20060410160052.GO13324@lug-owl.de> Mail-Followup-To: Jan Engelhardt , Sumit Narayan , linux-kernel , ext3-users@redhat.com References: <1458d9610604052337p2cafa6c8j78fc6da8c5f8be1a@mail.gmail.com> <20060406065832.GK13324@lug-owl.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xsFQtFdnkC8cTCzR" Content-Disposition: inline In-Reply-To: X-Operating-System: Linux mail 2.6.12.3lug-owl X-gpg-fingerprint: 250D 3BCF 7127 0D8C A444 A961 1DBD 5E75 8399 E1BB X-gpg-key: wwwkeys.de.pgp.net X-Echelon-Enable: howto poison arsenous mail psychological biological nuclear warfare test the bombastical terror of flooding the spy listeners explosion sex drugs and rock'n'roll X-TKUeV: howto poison arsenous mail psychological biological nuclear warfare test the bombastical terror of flooding the spy listeners explosion sex drugs and rock'n'roll User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --xsFQtFdnkC8cTCzR Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, 2006-04-10 17:28:18 +0200, Jan Engelhardt = wrote: > >deleted) or otherwise modified. So it's perfectly okay to delete such > >a container (eg. remove start and end from the partition table) and > >recreate it at some time later (by adding those values back to the > >partition table.) As long as the new container starts at the same > >location, a filesystem driver will be able to find the old > >information. If you start a block later, it won't find it's > >superblocks. > > > If using a filesystem with replicated superblocks (ext*, xfs), then ...? > [Includes expecting weird breakage.] I'll possibly test if this works in another life... MfG, JBG --=20 Jan-Benedict Glaw jbglaw@lug-owl.de . +49-172-7608481 = _ O _ "Eine Freie Meinung in einem Freien Kopf | Gegen Zensur | Gegen Krieg = _ _ O f=C3=BCr einen Freien Staat voll Freier B=C3=BCrger" | im Internet! | i= m Irak! O O O ret =3D do_actions((curr | FREE_SPEECH) & ~(NEW_COPYRIGHT_LAW | DRM | TCPA)= ); --xsFQtFdnkC8cTCzR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFEOoE0Hb1edYOZ4bsRAlxVAJ9FdGu1YRCjbE0iUzxn5tYGUwY9iQCeL62C w9zqN1Pu+tAW+go6n/7++uo= =DmYz -----END PGP SIGNATURE----- --xsFQtFdnkC8cTCzR--