From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Greaves Subject: Re: AWFUL reshape speed with raid5. Date: Wed, 30 Jul 2008 17:50:05 +0100 Message-ID: <48909BBD.4030605@dgreaves.com> References: <48909578.9020307@tmr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <48909578.9020307@tmr.com> Sender: linux-raid-owner@vger.kernel.org To: Bill Davidsen Cc: Jon Nelson , Justin Piszcz , LinuxRaid List-Id: linux-raid.ids Bill Davidsen wrote: > vmstat doesn't tell you enough, you need a tool to show per-device and > per-partition io, which will give you what you need. I can't put a > finger on the one I wrote, but there are others. iostat? David