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 5E8CEC4332F for ; Thu, 7 Apr 2022 07:36:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241885AbiDGHiH (ORCPT ); Thu, 7 Apr 2022 03:38:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242089AbiDGHiC (ORCPT ); Thu, 7 Apr 2022 03:38:02 -0400 X-Greylist: delayed 318 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 07 Apr 2022 00:36:02 PDT Received: from mail.lichtvoll.de (lichtvoll.de [IPv6:2001:67c:14c:12f::11:100]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7AEC254683 for ; Thu, 7 Apr 2022 00:36:02 -0700 (PDT) Received: from 127.0.0.1 (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by mail.lichtvoll.de (Postfix) with ESMTPSA id ADFE43FD1CC; Thu, 7 Apr 2022 09:30:42 +0200 (CEST) From: Martin Steigerwald To: Josef Bacik , Marc MERLIN Cc: Linux BTRFS mailing list Subject: Re: Rebuilding 24TB Raid5 array (was btrfs corruption: parent transid verify failed + open_ctree failed) Date: Thu, 07 Apr 2022 09:30:41 +0200 Message-ID: <11970220.O9o76ZdvQC@ananda> In-Reply-To: <20220407044006.GB25669@merlins.org> References: <20220407043717.GA25669@merlins.org> <20220407044006.GB25669@merlins.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Authentication-Results: mail.lichtvoll.de; auth=pass smtp.auth=martin smtp.mailfrom=martin@lichtvoll.de Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hi! Marc MERLIN - 07.04.22, 06:40:06 CEST: > Damn, it's hosed so badly that even sysrq-o isn't working, never seen > that before. I did not keep statistics, but this might be one of the longest threads on BTRFS mailing list. Good luck with restoring your filesystem or at least recovering all data from it! Best, -- Martin