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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 28604C65C30 for ; Sun, 7 Oct 2018 08:28:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C41832088F for ; Sun, 7 Oct 2018 08:28:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="iZdjbFvt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C41832088F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-btrfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726785AbeJGPfI (ORCPT ); Sun, 7 Oct 2018 11:35:08 -0400 Received: from mail-qt1-f173.google.com ([209.85.160.173]:35853 "EHLO mail-qt1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726402AbeJGPfI (ORCPT ); Sun, 7 Oct 2018 11:35:08 -0400 Received: by mail-qt1-f173.google.com with SMTP id u34-v6so18116945qth.3 for ; Sun, 07 Oct 2018 01:28:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=tncaMWwT7QGxWDQV7e2MJRuePo9witINdcoPdcFcVOI=; b=iZdjbFvtcaDi0XVm/Jemtbipl/ykENT60Z3NljsK2ZEoTrp62SI4Y75DMmIfrFujLs AhCUjeSRkPdnJkuS/cgUXsWSBfFeBaOBaIpsDTaNigE+RumM7xP67t6YoRKgOaqMR2Hg GCYno9Rxic1jNyQ0uiMceXjNBNZbibCtGRYFp69BldUKWdWJzpgLSE7KyaWWy3CjgtYc O5SwyAn+Q7M1pNLvbtd7PZzbK7nWVNHseQV2CAAxpLwngq+7kIqDI4SAfU42+OOzeE4Z fhk1ykNn5mjOlr3/uF3EpGS3320ldODi4uDj3lCLotAZqJFASlSO/bSgl86Ys+lyxx+t UiTg== 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=tncaMWwT7QGxWDQV7e2MJRuePo9witINdcoPdcFcVOI=; b=OG9rDsmiLWmGNzUsN/vWDI9ekccwve+o767se13RI0Opuln2HS+LiXL2IrIFaPan8Q 1e7rJeD9i1luE4qiakNldiMoa104KDRJFDW/e9cyxwyy6BAIyxi7zraC2AQDUTOgf6Mm ba+eqDPzs7Q5Ki23Esz8kZZDbtB74ufAlyT5o8AisYZuiyHNMbTulDEJALcyZ5R9V1xW Q76DQwDcR56saXGEkqHEDx2SYr/Err6PbezpX66eVNfvvfA3UZJrQphZQxPLyMKQymXW 8WLVQN5vH1XRnTHjNCCTVnpSTIEAyDoqFoO8y8SITJaLfCQYBJpudlGkyfq4Js+J4Kdl qoqg== X-Gm-Message-State: ABuFfogD/etuHwSpfTBLeLr26vXQPlyA2toMWzsYixoLqLR6CJKPGglb 0/qN7WOjhXly6Ojev84BLqOINlBjF4dLrMniVrZFeuiH X-Google-Smtp-Source: ACcGV61r3efLYyilFfubWiNWf82wsAhfTGceNywA4FotzbcLCbjcpFK/10GE3PEPdSqS0aZj7GA6DO7Impo7bPoxClo= X-Received: by 2002:ac8:190e:: with SMTP id t14-v6mr15186005qtj.327.1538900917527; Sun, 07 Oct 2018 01:28:37 -0700 (PDT) MIME-Version: 1.0 References: <54132790-3f56-ef0f-d818-4f62f0b0a608@gmx.com> <64cd61fe-5e78-6201-f4b2-e88efba139bc@gmx.com> <2122b08c-0fa9-b774-cbad-67b71f5084d4@gmx.com> <14c82713-72c8-a243-293b-5c482031f70a@gmx.com> In-Reply-To: <14c82713-72c8-a243-293b-5c482031f70a@gmx.com> From: evan d Date: Sun, 7 Oct 2018 10:28:26 +0200 Message-ID: Subject: Re: Two partitionless BTRFS drives no longer seen as containing BTRFS filesystem To: quwenruo.btrfs@gmx.com Cc: linux-btrfs@vger.kernel.org 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 > >> # dd if=/dev/sdb bs=1M of=last_chance.raw count=128 skip=256M > >> # grep -obUaP "\x5F\x42\x48\x52\x66\x53\x5F\x4D" last_chance.raw grep returns no result on either drive >>>> If still no hit, you could try just run the grep command on the disk. like so?: grep -obUaP "\x5F\x42\x48\x52\x66\x53\x5F\x4D" /dev/sdc