From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: raid 5 crashed Date: Tue, 31 May 2016 09:45:51 -0400 Message-ID: <574D958F.8060209@turmel.org> References: <20160511131524.GA11811@cthulhu.home.robinhill.me.uk> <574C8EB9.3070706@youngman.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: bobzer , Anthonys Lists Cc: linux-raid , Mikael Abrahamsson List-Id: linux-raid.ids On 05/30/2016 06:00 PM, bobzer wrote: > I did follow his advice for the smartctl i can't right now but i will > post the output > my drives are desktop grade normal seagate, not NAS nor entreprise so > i will retry but i will limit the speed of reconstruction with : > echo 40000 > /proc/sys/dev/raid/speed_limit_max > echo 1000 > /proc/sys/dev/raid/speed_limit_min > I hope that it will permit to finish the rebuilding No, that is unlikely to help. You need to read about "timeout mismatch" as you clearly have a bad case of it. This is not a new issue, as you can see from the dates of the following: http://marc.info/?l=linux-raid&m=139050322510249&w=2 http://marc.info/?l=linux-raid&m=135863964624202&w=2 http://marc.info/?l=linux-raid&m=135811522817345&w=1 http://marc.info/?l=linux-raid&m=133761065622164&w=2 http://marc.info/?l=linux-raid&m=132477199207506 http://marc.info/?l=linux-raid&m=133665797115876&w=2 http://marc.info/?l=linux-raid&m=142487508806844&w=3 http://marc.info/?l=linux-raid&m=144535576302583&w=2