From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n1H90VHS213621 for ; Tue, 17 Feb 2009 03:00:32 -0600 Received: from mailsrv1.zmi.at (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 07349128DD9 for ; Tue, 17 Feb 2009 00:59:56 -0800 (PST) Received: from mailsrv1.zmi.at (mailsrv1.zmi.at [212.69.162.198]) by cuda.sgi.com with ESMTP id r9az6iMshDOQ6c2t for ; Tue, 17 Feb 2009 00:59:56 -0800 (PST) Received: from saturn.localnet (h081217054243.dyn.cm.kabsi.at [81.217.54.243]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mailsrv1.zmi.at (Postfix) with ESMTP id D91FF401B for ; Tue, 17 Feb 2009 09:59:54 +0100 (CET) Subject: XFS and XEN From: Michael Monnerie Date: Tue, 17 Feb 2009 09:59:54 +0100 MIME-Version: 1.0 Message-Id: <200902170959.55077@zmi.at> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0426473665266870107==" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com --===============0426473665266870107== Content-Type: multipart/signed; boundary="nextPart1234890518.tZPUzdmzcX"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit --nextPart1234890518.tZPUzdmzcX Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Now I'm sure that the following configuration can destroy a PostgreSQL=20 8.3.5 database: * Linux host with XEN, XFS filesystem with "nobarrier", RAID controller=20 with battery backed cache. * XEN vm with XFS filesystem with "nobarrier" with postgresql * your daughter with 3.5 years switching off the power supply of the=20 server I guess one shouldn't use "nobarrier" on a XEN XFS domU machine. Would that help? I'd like to enter this in the FAQ, as people (including=20 me) will be very upset to loose data, or destroy databases. mfg zmi =2D-=20 // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0660 / 415 65 31 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import" // Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4 // Keyserver: wwwkeys.eu.pgp.net Key-ID: 1C1209B4 --nextPart1234890518.tZPUzdmzcX Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEABECAAYFAkmafIsACgkQzhSR9xwSCbTqyACgnN66/1p9WmW6yJgmujK+GqHp fggAn278FJri3ebJQUeuP8ZTDZ+QwYyi =7ILG -----END PGP SIGNATURE----- --nextPart1234890518.tZPUzdmzcX-- --===============0426473665266870107== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs --===============0426473665266870107==--