From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from atl4mhob08.myregisteredsite.com ([209.17.115.46]:39826 "EHLO atl4mhob08.myregisteredsite.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752443AbaANWNj (ORCPT ); Tue, 14 Jan 2014 17:13:39 -0500 Received: from mailpod1.hostingplatform.com ([10.30.71.114]) by atl4mhob08.myregisteredsite.com (8.14.4/8.14.4) with ESMTP id s0EMDcAa013972 for ; Tue, 14 Jan 2014 17:13:38 -0500 Message-ID: <52D5B6AE.5030508@chinilu.com> Date: Tue, 14 Jan 2014 14:14:06 -0800 From: George Mitchell Reply-To: george@chinilu.com MIME-Version: 1.0 To: Btrfs BTRFS Subject: Re: How does btrfs handle bad blocks in raid1? References: <201401100106.s0A16CNd016476@atl4mhib27.myregisteredsite.com> <52CF4D5D.2010709@chinilu.com> <486C0640-409D-4636-858C-84A679C0AF4E@colorremedies.com> <52D59E28.7010200@chinilu.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 01/14/2014 01:14 PM, Chris Murphy wrote: > >> And the key to monitoring hard drive health, in my opinion, is SMART and what we are lacking at this point is a SMART capability to provide visual notifications to the user when any hard drive starts to seriously degrade or suddenly fails. > Gnome does this: > https://mail.gnome.org/archives/commits-list/2012-November/msg03124.html > > The problem is that something around 40% of failures come with absolutely no advance warning by SMART. So yes it's better than nothing but we're still rather likely to not get sufficient warning. > > > Well, I *think* I found the answer to this one. http://forum.kde.org/viewtopic.php?f=66&t=99555 And note the response to the poll question.