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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9DD3C2D0C0 for ; Sun, 29 Dec 2019 23:25:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7F92207FD for ; Sun, 29 Dec 2019 23:25:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=colorremedies-com.20150623.gappssmtp.com header.i=@colorremedies-com.20150623.gappssmtp.com header.b="XMbzbqxp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726315AbfL2XZO (ORCPT ); Sun, 29 Dec 2019 18:25:14 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:36852 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726082AbfL2XZO (ORCPT ); Sun, 29 Dec 2019 18:25:14 -0500 Received: by mail-wm1-f66.google.com with SMTP id p17so12968397wma.1 for ; Sun, 29 Dec 2019 15:25:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=colorremedies-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=48Ce3LMQ/gjXjTsfUldapZuB5zEWEFK1qXmXosy0miU=; b=XMbzbqxp59B9EBEv3AyvuguddMzwXaP5/LE26Yads6Qd+5z9RUHV2bDGC18aH1Yd76 u1UGTalD8JCcrJP3GhgIeZ0Ou7kqgh41MHa9Jg8qCyAJQByKT5t2D1DfYxnDSjl5Ug0Y yNlHA0l0Xs+MZGKkQdb4H2ie96Qq7m+g1WLgk2PzhOj4JhzXZmhQ4pqBXD0JIMePXBal xe9Ojlu9niATOjAiTyFr1m3zQy9tIe4CCwIRVYsNCF3lX7HhBTJ3J+UgJ5BZAaPuV7wG MmOrqejvQ6sVKsOT8E4NpMzZy8yHh95j7T0KZ+N3i9QaWEOsORa7iuid5so42y0Ksvqa vHog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=48Ce3LMQ/gjXjTsfUldapZuB5zEWEFK1qXmXosy0miU=; b=dsvTebNO30pX75Nvkdziqk9liXMrl6KhLO6AWOoRhBRE4hCqfD4BzTLzB/QkpkUCE3 KGMkUxwaf5ysE8p5AnyR9WX+vnkc0sXxRClBmKkjU7kM7FvVq3Xd4d6gzdTbAcdrjJzU tPou8D9tdyb01Aw4C8enrb+Ul4wVa5HJsZAgH3P2bSVS/uhHzVOQjncxLAn4iHbkEydt bnnquhzHpuNogoUOy0eZ/LP8Y46ptvhnknPK+pxiD7jbnw4sIFGZoDyRwp7HGCsHrMKJ UM1siiq9vKG2oECprdPgHnp0S6/gUQweOkTgsPAUd/7d+kmrrhpTvMx78I3y79SJHwqY gdQA== X-Gm-Message-State: APjAAAXBlVlPneTD5JytATrQ/M4QHeEAA4gwCFz+vzxTfLijijwO/AyG R9v+lbfFDVrZeVjpd9iqdNLswNwZdeCIw6+0Ctk4rw== X-Google-Smtp-Source: APXvYqy+RRmuJ7QMnScxKRbtEDw2vibCT34Z0B3Yxbjy8RluZ18IY879aeWsgEuxQuiGK0zMb63tMAP0eq7SlA/BEVA= X-Received: by 2002:a1c:770e:: with SMTP id t14mr33350318wmi.101.1577661911961; Sun, 29 Dec 2019 15:25:11 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Chris Murphy Date: Sun, 29 Dec 2019 16:24:56 -0700 Message-ID: Subject: Re: read time tree block corruption detected To: Patrick Erley Cc: Chris Murphy , Btrfs BTRFS Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Sun, Dec 29, 2019 at 4:19 PM Patrick Erley wrote: > > Nah, this 'corruption' hasn't affected anything other than not being > able to go to a newer kernel. The system doesn't do anything > important. I'll grab the logs, and clone an image of the drive so I > don't need to go single user RO mode to get dumps for devs when follow > up requests come in. A clone of any rw file system is likewise unreliable, for the same reasons that a forced btrfs check on a rw file system is unreliable. So unreliable it's a waste of time for you and the developer, so I wouldn't even bother with it. -- Chris Murphy