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From: Matt Garman <matthew.garman@gmail.com>
To: "Henry, Andrew" <andrew.henry@logica.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: linux disk access when idle
Date: Fri, 21 Aug 2009 12:22:43 -0500	[thread overview]
Message-ID: <20090821172242.GB18915@sewage> (raw)
In-Reply-To: <3ECBDC05781B3D48ABD520A01ABF2F9B2E9A6F9E25@SE-EX008.groupinfra.com>

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


  parent reply	other threads:[~2009-08-21 17:22 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-20 16:35 linux disk access when idle Matt Garman
2009-08-20 18:45 ` Richard Scobie
2009-08-21 16:59   ` Matt Garman
2009-08-21 17:01     ` Ric Wheeler
2009-08-22 21:04       ` Matt Garman
2009-08-23 18:23         ` Bill Davidsen
2009-08-26 19:45         ` Matt Garman
2009-08-22  6:33     ` Goswin von Brederlow
2009-08-21  6:42 ` Henry, Andrew
2009-08-21  8:17   ` Jon Hardcastle
2009-08-21 16:35     ` Foster_Brian
2009-08-21 17:31       ` Matt Garman
2009-08-21 17:22   ` Matt Garman [this message]
2009-08-21 22:00 ` Bill Davidsen
2009-08-21 23:10   ` Matt Garman
2009-08-21 23:13     ` Carl A. Cook
2009-08-22  1:41       ` berk walker
2009-08-22  2:07         ` John Robinson
2009-08-22  4:28           ` Richard Scobie
2009-08-22  5:04     ` Tapani Tarvainen
2009-08-22  6:37       ` Goswin von Brederlow
2009-08-24 18:07       ` Billy Crook
2009-08-22  5:02 ` Kyle Liddell

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