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=-3.8 required=3.0 tests=BAYES_00, 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 75622C64E7B for ; Thu, 3 Dec 2020 08:56:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EAF522203 for ; Thu, 3 Dec 2020 08:56:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387399AbgLCI4Q (ORCPT ); Thu, 3 Dec 2020 03:56:16 -0500 Received: from multitrading.dk ([92.246.25.51]:59782 "EHLO multitrading.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726524AbgLCI4Q (ORCPT ); Thu, 3 Dec 2020 03:56:16 -0500 Received: (qmail 67399 invoked from network); 3 Dec 2020 08:55:33 -0000 Received: from multitrading.dk (HELO ?10.0.3.10?) (jb@multitrading.dk@92.246.25.51) by audiovideo.dk with ESMTPA; 3 Dec 2020 08:55:33 -0000 Date: Thu, 3 Dec 2020 09:55:29 +0100 From: Jens Bauer To: Martin Steigerwald Cc: linux-btrfs@vger.kernel.org Message-ID: <20201203095529220651.9e528b11@gpio.dk> In-Reply-To: <7851285.T7Z3S40VBb@merkaba> References: <20201203035311997396.38ae743f@gpio.dk> <7851285.T7Z3S40VBb@merkaba> Subject: Re: How robust is BTRFS? MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: GyazMail version 1.5.21 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hi Martin. I'm happy to hear that you have good experience with BTRFS as well. =) -One thing I forgot to mention is that I'm also quite impressed with Western Digital's drives; they seem to last, even under such horrible conditions I put them through. ;) It seems, after all, that one does not *have* to learn from failure. =D Love Jens On Thu, 03 Dec 2020 08:59:38 +0100, Martin Steigerwald wrote: > Jens Bauer - 03.12.20, 03:53:11 CET: >> After correcting the problem, I got curious and listed the statistics >> for each partition. I had more than 100000 read/write errors PER DAY >> for 6 months. That's around 18 million read/write-errors, caused by >> drives turning on/off "randomly". >> >> AND ALL MY FILES WERE INTACT. > > Awesome! Really awesome! > > I am running BTRFS on a ThinkPad T520 since at least 2014. After all > these initial free space related issues went away with linux 4.5 or 4.6 > I had no issues with it anymore. In part I use BTRFS RAID 1 with an > mSATA SSD on the laptop and it recovered from what I believe had been > power loss related errors on the mSATA SSD twice already. Of course that > is not anywhere near the dimension of errors the filesystem you have > experienced. > > I use it on my backup drives and I use it on my server VMs. > > It works for me. > > Best, > -- > Martin > >