From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Rowe Subject: Re: Slow reconstruction Date: Wed, 29 Jun 2005 18:49:35 +0100 Message-ID: <1120067375.21458.258.camel@volt> References: <1120061430.21458.236.camel@volt> <42C2CEF0.7030108@h3c.com> <1120066268.21458.252.camel@volt> <1120067215.10448.61.camel@cutter> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1120067215.10448.61.camel@cutter> Sender: linux-raid-owner@vger.kernel.org To: seth vidal Cc: Mike Hardy , linux-raid@vger.kernel.org List-Id: linux-raid.ids > > did you raise speed_limit_min?? > > if you didn't then you're probably being hit by the 'only use idle io' > problem. That's fixed it! It's now going along at around 5.7 MB/s which isn't huge but is around 11 times what it was. Many thanks. But I'm a bit surprised this makes a difference because there is no other real IO going on. John