From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f42.google.com ([209.85.214.42]:35124 "EHLO mail-it0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933471AbcIALZX (ORCPT ); Thu, 1 Sep 2016 07:25:23 -0400 Received: by mail-it0-f42.google.com with SMTP id e124so96326573ith.0 for ; Thu, 01 Sep 2016 04:25:22 -0700 (PDT) Subject: Re: Recommendation on raid5 drive error resolution To: Gareth Pye , Chris Murphy References: Cc: linux-btrfs From: "Austin S. Hemmelgarn" Message-ID: <0cad7942-096c-1ea4-bf31-a4e959bcc4f8@gmail.com> Date: Thu, 1 Sep 2016 07:25:14 -0400 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 2016-08-31 19:04, Gareth Pye wrote: > ro,degraded has mounted it nicely and my rsync of the more useful data > is progressing at the speed of WiFi. > > There are repeated read errors from one drive still but the rsync > hasn't bailed yet, which I think means there isn't any overlapping > errors in any of the files it has touched thus far. Am I right or is > their likely to be corrupt data in the files I've synced off? Unless you've been running with nocow or nodatasum in your mount options, then what you've concluded should be correct. I would still suggest verifying the data by some external means if possible, this type of situation is not something that's well tested, and TBH I'm amazed that things are working to the degree that they are. > > On Wed, Aug 31, 2016 at 7:46 AM, Gareth Pye wrote: >> Or I could just once again select the right boot device in the bios. I >> think I want some new hardware :) >> >> On Wed, Aug 31, 2016 at 7:23 AM, Gareth Pye wrote: >>> On Wed, Aug 31, 2016 at 4:28 AM, Chris Murphy wrote: >>>> But I'd try a newer kernel before you >>>> give up on it. >>> >>> >>> Any recommendations on liveCDs that have recent kernels & btrfs tools? >>> For no apparent reason system isn't booting normally either, and I'm >>> reluctant to fix that before at least confirming the things I at least >>> partially care about have a recent backup. >>> >>> -- >>> Gareth Pye - blog.cerberos.id.au >>> Level 2 MTG Judge, Melbourne, Australia >> >> >> >> -- >> Gareth Pye - blog.cerberos.id.au >> Level 2 MTG Judge, Melbourne, Australia > > >