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=-1.1 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,URIBL_BLOCKED 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 B88B5C282C4 for ; Mon, 4 Feb 2019 17:47:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 805BB20818 for ; Mon, 4 Feb 2019 17:47:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CrMBTVJc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728622AbfBDRrR (ORCPT ); Mon, 4 Feb 2019 12:47:17 -0500 Received: from mail-qt1-f176.google.com ([209.85.160.176]:43051 "EHLO mail-qt1-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728589AbfBDRrQ (ORCPT ); Mon, 4 Feb 2019 12:47:16 -0500 Received: by mail-qt1-f176.google.com with SMTP id i7so808194qtj.10 for ; Mon, 04 Feb 2019 09:47:16 -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; bh=b8zDBYmB+PpEqplJUqnw+SqoWq/UK/HrOz/4tRKyTsg=; b=CrMBTVJcAh3Ce51k+YqmaUJPYS/lFT2dmB2vwYi7TAgiUMpNsM3728MWYFzuwo+nqY RsdzYIZ94CqMnTMC349x4+mytDxc68kPMQOHIoOzyzHMgyPTCcOtRa1TdA1dtD4uRy1M iZTXa7uV4t2Y/tWeDl2TDRGrQjqht497K+wE4+oozTdGfW/sMGV5SFlUhzLvxzSHJM8o 9BwPfDpG1D+rnF1jLTTQGCKfXHc49bSuGQuvA+QomQJQf57F4tibAIOo4T6ste/sNwO/ tHIVCrcMkN6KvuZGYSBa5jlqMgglP85GbzbdT3I1VAPozPCOUYt9DGBJRYFrhiRC/5I/ T1Wg== 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=b8zDBYmB+PpEqplJUqnw+SqoWq/UK/HrOz/4tRKyTsg=; b=c4Ospmx/ESODL8Tsm33ghjsv+F39PngfXe4lTgrY5Ad3GxGFBtXjF3sOzj4thqclCV In3ZOOKICsFgm9a6wA65gw7aX7P7j729PNFejBk+LokR5YNp/1fNvxkp5cxmFy/50Q06 d+ZIgaYn5QNvnbcPe1bOl9N+wkEihBPC2QAEvQfKvtK1h6hvrFNVPtUjph5RIvoSrjTg 6D6ScjtknB5Ar6Kar3JNxsdeV2ux8W9283yjfNrSDoMKFoaLQP3O2s359b3sUWmgzLtU K9YWDH8cUly2Ko5DWWCyfCD536iOOoVioeed6FzI82mFJ3W2UUVffmfn6f0AyfscpQ7L tRfQ== X-Gm-Message-State: AHQUAuZ6q/iNaVpPh9mh46SHEg2+rJ3kxYcR9aZtJPSyr/xPKtaOVb8+ mamND8zPcELh5StUTXCM1S4bW/97VE1hI+hsNVE= X-Google-Smtp-Source: AHgI3IZv1qRPitSGAcILzboQrf9MPvWxh6N88KNDJOAorf1ymYaNjRard94KEuu8c9uXg2kTywT7F2FgFZcVP49ssLQ= X-Received: by 2002:ac8:8f9:: with SMTP id y54mr450464qth.19.1549302435781; Mon, 04 Feb 2019 09:47:15 -0800 (PST) MIME-Version: 1.0 References: <33679024.u47WPbL97D@t460-skr> In-Reply-To: From: Patrik Lundquist Date: Mon, 4 Feb 2019 18:47:03 +0100 Message-ID: Subject: Re: btrfs as / filesystem in RAID1 To: Chris Murphy Cc: Stefan K , 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, 3 Feb 2019 at 01:24, Chris Murphy wrote: > > 1. At least with raid1/10, a particular device can only be mounted > rw,degraded one time and from then on it fails, and can only be ro > mounted. There are patches for this but I don't think they've been > merged still. That should be fixed since Linux 4.14.