From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de ([212.227.126.131]:50700 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752573AbaHXOJt (ORCPT ); Sun, 24 Aug 2014 10:09:49 -0400 Message-ID: <53F9F22B.4040109@floga.de> Date: Sun, 24 Aug 2014 16:09:47 +0200 From: =?ISO-8859-1?Q?Florian_Gamb=F6ck?= MIME-Version: 1.0 To: linux-btrfs@vger.kernel.org Subject: Re: superblock checksum mismatch after crash, cannot mount References: <53F7BD8E.10308@floga.de> <53F85317.8060900@floga.de> <20140823163803.GA9149@hungrycats.org> <20140824110853.GB22693@apia.perrit.net> In-Reply-To: <20140824110853.GB22693@apia.perrit.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am 24.08.2014 13:08, schrieb Leen Besselink: > tip for basically any Linux filesystem, especially on Flash-based storage and also btrfs: > - use noatime (if you aren't doing that already, don't know if that is the default in btrfs) Yeah, I use this option per standard since I don't really need access times. > How bad is it ? Well, look at this presentation: > > https://www.youtube.com/watch?v=CPEzLNh5YIo Wow, this really surprised me. I never thought that SD cards are that unreliable. Maybe on my Pi I'll use the card only for booting from now on and move the system to an external hard drive ...