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_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 87EA3C3524D for ; Mon, 3 Feb 2020 08:42:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D40420661 for ; Mon, 3 Feb 2020 08:42:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nDA97G73" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727849AbgBCIml (ORCPT ); Mon, 3 Feb 2020 03:42:41 -0500 Received: from mail-io1-f44.google.com ([209.85.166.44]:34250 "EHLO mail-io1-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727810AbgBCIml (ORCPT ); Mon, 3 Feb 2020 03:42:41 -0500 Received: by mail-io1-f44.google.com with SMTP id z193so15793447iof.1 for ; Mon, 03 Feb 2020 00:42:41 -0800 (PST) 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:content-transfer-encoding; bh=+uD2TsrSjbjbRBC8boiurPo1WUVxtPRe5Lt47XlqUkE=; b=nDA97G73cROR5mwNdxB83GPQROWOcsL8h9+BK05gEY+KrfZe2syssisqUQh7Ywk40I +j1IJRUdzkMc4RPUGrLT3QD9q7n/yLx49/G+ZIDkp2CnfvQ8lSw4ziHY5DnrN+AFdPc3 DvqIUoeCKGFmgi/Gk519bMLWA9T8nUjdglrHlVaPK3E2SDJBQxeX6Bi1qbTMy5Jc3IVy 1lQgdR35nadtyUFcNW0lsIpqJl8rPfmA0UrHUzK5il8cpwNsFMcnYBV5neaZnjYckiYv eHtTfgaC+z+mOi7Xp6wszxYbCMsw/hyiIeeYrQx+/hs0EBAz/0swU65FayVAeyCYn+qG 9QCw== 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:content-transfer-encoding; bh=+uD2TsrSjbjbRBC8boiurPo1WUVxtPRe5Lt47XlqUkE=; b=N+Mn5QEROvekoW/P1qNh6U61Wb+2s9VhSri5uNM2n48E3SzCvlR1mbu2+hvEgy0E4o bLVvfpM4tMnHx3sHpS4QhwKM3VE43uK7viMUFX98x1pRWt6HELglZ1zM4pziOBB5M8mk w7r66Nctbpz0FAk2CEtpTvF2RrAm6YNCp6+ZQMeOUG/pKhhOh1yXiyYuxaKB37G4tno4 oe+k+c+8qa1dEqRuvYl+bdW3ytyHX1cSJneENkWstOvX9/qHNL4vM7bQ8ZSpC5jgZ98R WbuOE0QjQlKtOn5On6YlWo+haR5DCX3l8gqwZaftftSG7nHF9yDPyMDuR5u4EnduVpXW gk6w== X-Gm-Message-State: APjAAAWM1IREOE/IkXKQqcEdhjtHsa5yN+eYLr8NFZbtF5KAUZxWIHzo iXQ2p2X03JogOdqlxI/cLYTxrqbFJ9w8JjsjfCM= X-Google-Smtp-Source: APXvYqwXWKsJnDJNQX62M4t2yK2KscY7Z8GNMlpRsXZlK6cWrRNAHfWTDDoSdy5sOq/AFVIVgtXHZe4En7FmqUnWmBY= X-Received: by 2002:a5d:9509:: with SMTP id d9mr700718iom.127.1580719360917; Mon, 03 Feb 2020 00:42:40 -0800 (PST) MIME-Version: 1.0 References: <94fb7bb4-53a5-f2e8-a214-2d12cf49664c@gmx.com> In-Reply-To: <94fb7bb4-53a5-f2e8-a214-2d12cf49664c@gmx.com> From: Skibbi Date: Mon, 3 Feb 2020 09:42:29 +0100 Message-ID: Subject: Re: My first attempt to use btrfs failed miserably To: Qu Wenruo Cc: Chris Murphy , Btrfs BTRFS Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org pon., 3 lut 2020 o 07:51 Qu Wenruo napisa=C5=82(a)= : > > > I'm beginning to think that my Pi draws more power when used with > > external drive (I used only pendrives so far) so I need to investigate > > for power issues. > > That also looks promising. > But since it's a USB hdd, what about try it with regular PC? I tried on widows and disk worked fine. I replaced Pi power supply and surprise-surprise my disk is working fine! Btrfs + luks encryption. So it seems power was the culprit. However I'm a bit concerned about stability of the filesystem. I would expect some data loss when drive is disconnected, but why the whole filesystem is broken? I can't ensure that power failures will not happen in the future, so I'm still not sure if I should go with btrfs? --=20 Best regards