From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2744BC7619A for ; Wed, 12 Apr 2023 13:59:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229764AbjDLN7K (ORCPT ); Wed, 12 Apr 2023 09:59:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229799AbjDLN7K (ORCPT ); Wed, 12 Apr 2023 09:59:10 -0400 Received: from tmailer.gwdg.de (tmailer.gwdg.de [134.76.10.23]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0329B7ABF for ; Wed, 12 Apr 2023 06:58:56 -0700 (PDT) Received: from excmbx-12.um.gwdg.de ([134.76.9.221] helo=email.gwdg.de) by mailer.gwdg.de with esmtp (GWDG Mailer) (envelope-from ) id 1pmZyb-000BEk-9u for linux-xfs@vger.kernel.org; Wed, 12 Apr 2023 14:53:30 +0200 Received: from aeszter.mpibpc.intern (10.250.9.199) by EXCMBX-12.um.gwdg.de (134.76.9.221) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P521) id 15.1.2507.23; Wed, 12 Apr 2023 14:53:29 +0200 Date: Wed, 12 Apr 2023 14:53:28 +0200 From: Ansgar Esztermann-Kirchner To: Subject: Re: Replacing the external log device Message-ID: Mail-Followup-To: linux-xfs@vger.kernel.org References: MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha-256; boundary="a3ClU/92GM1mAWoW" Content-Disposition: inline In-Reply-To: X-Originating-IP: [10.250.9.199] X-ClientProxiedBy: EXCMBX-13.um.gwdg.de (134.76.9.222) To EXCMBX-12.um.gwdg.de (134.76.9.221) X-Virus-Scanned: (clean) by clamav Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org --a3ClU/92GM1mAWoW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Apr 12, 2023 at 05:08:56AM -0700, Christoph Hellwig wrote: > Let me restate that: you created a new XFS file system, but then tried > to reuse an existing log device for it? Yes (more or less, as the existing log device should be reformatted by xfs_repair). =20 > How did you format the new file system? XFS either expects and internal > log, or a log device? For the above error it must have been formatted > with a different external log? =20 Yes, that's correct. > And then you just switched the mount > option to the log device of the previous file system? I physically replaced the disks. > If so that can't work, and I'm surprised you got so far. Hmm. Does that mean a zeroed log is still different from one that has been freshly created? If that is true, then that would be a difference =66rom the "working" and "not working" cases. Or do you mean that a log device cannot be replaced even if it is physically damaged? A. --=20 Ansgar Esztermann Sysadmin Dep. 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