From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relayout02-q02.e.movistar.es ([86.109.101.152]:48429 "EHLO relayout02-q02.e.movistar.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754986AbdJIPPG (ORCPT ); Mon, 9 Oct 2017 11:15:06 -0400 Received: from relayout02-redir.e.movistar.es (unknown [86.109.101.202]) by relayout02-out.e.movistar.es (Postfix) with ESMTP id 3y9kBt6KYlzhYJm for ; Mon, 9 Oct 2017 17:08:06 +0200 (CEST) Received: from Telcontar.valinor (25.red-79-147-98.dynamicip.rima-tde.net [79.147.98.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: robin.listas2@telefonica.net) by relayout02.e.movistar.es (Postfix) with ESMTPSA id 3y9kBt3sBzzdbFy for ; Mon, 9 Oct 2017 17:08:06 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by Telcontar.valinor (Postfix) with ESMTP id 09EA532060E for ; Mon, 9 Oct 2017 17:08:06 +0200 (CEST) Received: from Telcontar.valinor ([127.0.0.1]) by localhost (Telcontar.valinor [127.0.0.1]) (amavisd-new, port 10024) with LMTP id YVqMBwyxNCnR for ; Mon, 9 Oct 2017 17:08:05 +0200 (CEST) Received: from [127.0.0.1] (localhost [127.0.0.1]) by Telcontar.valinor (Postfix) with ESMTP id DE44032060D for ; Mon, 9 Oct 2017 17:08:05 +0200 (CEST) Subject: Re: Questions about backups with XFS References: <20171007114343.3bd42f98@lubh.lubhome> <20171009084451.yj7fvv6wqra27vuo@hades.localdomain> From: "Carlos E. R." Message-ID: Date: Mon, 9 Oct 2017 17:08:05 +0200 MIME-Version: 1.0 In-Reply-To: <20171009084451.yj7fvv6wqra27vuo@hades.localdomain> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tblM6tO6dPg5ErUvN66nDcsRC6CiGlN72" Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: Linux-XFS mailing list This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --tblM6tO6dPg5ErUvN66nDcsRC6CiGlN72 Content-Type: multipart/mixed; boundary="7rtdP9JF8BmjlhAC5jgHQfla5Odl4iB47"; protected-headers="v1" From: "Carlos E. R." To: Linux-XFS mailing list Message-ID: Subject: Re: Questions about backups with XFS References: <20171007114343.3bd42f98@lubh.lubhome> <20171009084451.yj7fvv6wqra27vuo@hades.localdomain> In-Reply-To: <20171009084451.yj7fvv6wqra27vuo@hades.localdomain> --7rtdP9JF8BmjlhAC5jgHQfla5Odl4iB47 Content-Type: text/plain; charset=utf-8 Content-Language: en-CA Content-Transfer-Encoding: quoted-printable On 2017-10-09 10:44, Carlos Maiolino wrote: > Hi. >=20 >=20 > On Sat, Oct 07, 2017 at 02:43:43PM +0000, Luciano ES wrote: =2E.. > Regarding the "restore everything and expect the system to boot", I thi= nk you > are forgetting a few things here: >=20 > 1 - xfsdump will backup the filesystem, not the device, so, MBR for > example is not backed up The MBR is outside of the device holding the XFS filesystem, if by device you mean something like /dev/sdXY. Another question would be the B= R. > 2 - Is a bad idea to try to backup /dev for several reasons, like devi= ce > names can change. On some distros /dev is populated dynamically. For instance, on openSUSE, it is a tmpfs, so there is no purpose on backing it. It actually does not exist on the root disk, so the xfs tools will not see it either, only the mount point. --=20 Cheers / Saludos, Carlos E. R. (from 42.2 x86_64 "Malachite" at Telcontar) --7rtdP9JF8BmjlhAC5jgHQfla5Odl4iB47-- --tblM6tO6dPg5ErUvN66nDcsRC6CiGlN72 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEARECAAYFAlnbkNUACgkQtTMYHG2NR9X2YgCggfcc2h7/b05IQInMLiFr/v4H 41cAn0nhwavG2eWxhlH/gnzqA9BLL0bw =ObEm -----END PGP SIGNATURE----- --tblM6tO6dPg5ErUvN66nDcsRC6CiGlN72--