From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: Query regarding disk failure Date: Wed, 10 Jul 2013 11:22:20 -0400 Message-ID: <51DD7C2C.2080901@turmel.org> References: <51DD4EF0.6020509@perpetual-data.com> <20130710131119.GA26658@cthulhu.home.robinhill.me.uk> <51DD6D07.1060401@perpetual-data.com> <51DD74F0.8020006@turmel.org> <51DD79B4.3000102@perpetual-data.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <51DD79B4.3000102@perpetual-data.com> Sender: linux-raid-owner@vger.kernel.org To: Priya Kamala Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 07/10/2013 11:11 AM, Priya Kamala wrote: > > On 10/07/2013 15:51, Phil Turmel wrote: >> You haven't actually told us whether it is turned on. Desktop drives >> that support it don't have it enabled by default. Please show "smartctl >> -l scterc /dev/sdX" for each of your drives. > I don't have access to the original system right now. This is the output > from the another system with the same drive type. All the drives show > the same output, so I'm including only one. The drives are Seagate > Barracuda ES.2 Model ST31000340NS. Ok, enterprise drives. ERC is on by default. > -bash-4.1# smartctl -l scterc /dev/sda > smartctl 5.43 2012-06-30 r3573 [i686-linux-3.2.40] (local build) > Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net > > SCT Error Recovery Control: > Read: 100 (10.0 seconds) > Write: 100 (10.0 seconds) Did you have an idea of number of read error events? "Pending" sector counts on the problem drive might be a useful number to report. (Or just report complete output of "smartctl -x" for each drive.) Meanwhile, what distro, kernel, and mdadm versions are involved here? Phil