From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Garman Subject: Re: linux disk access when idle Date: Fri, 21 Aug 2009 12:22:43 -0500 Message-ID: <20090821172242.GB18915@sewage> References: <20090820163522.GA29215@sewage> <3ECBDC05781B3D48ABD520A01ABF2F9B2E9A6F9E25@SE-EX008.groupinfra.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <3ECBDC05781B3D48ABD520A01ABF2F9B2E9A6F9E25@SE-EX008.groupinfra.com> Sender: linux-raid-owner@vger.kernel.org To: "Henry, Andrew" Cc: linux-raid List-Id: linux-raid.ids On Fri, Aug 21, 2009 at 08:42:09AM +0200, Henry, Andrew wrote: > I had a similar issue, as I wanted to take full advantage of > parking heads but they kept coming alive again. I was putting > them to sleep with hdparm. > > I gave up at the end, but thought I had read that it was likely > syslog or other internals that were polling the disc too > frequently. Sorry Im a bit vague on the details. > > If this was the case (I didn't really investigate) then I thought, > stuff it, because I wanted syslog to keep doing it's thing. Good to know. I should have mentioned, however, that my RAID5 drives are just for data storage. The OS (and therefore syslog and friends) is actually on a compact flash card (using one of those compact flash to IDE converters). Thanks, Matt