From: Ric Wheeler <rwheeler@redhat.com>
To: Matt Garman <matthew.garman@gmail.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: linux disk access when idle
Date: Fri, 21 Aug 2009 13:01:48 -0400 [thread overview]
Message-ID: <4A8ED2FC.2070700@redhat.com> (raw)
In-Reply-To: <20090821165935.GA18915@sewage>
On 08/21/2009 12:59 PM, Matt Garman wrote:
> On Fri, Aug 21, 2009 at 06:45:45AM +1200, Richard Scobie wrote:
>
>> Matt Garman wrote:
>>
>>> So what I'm trying to figure out is, what is causing the disk
>>> access? It could be any one of:
>>>
>>> - Kernel
>>> - RAID subsystem (i.e. md)
>>> - XFS filesystem
>>> - NFS
>>> - Samba
>>> - ???
>>>
>> Are you running smartd? It polls the drives every 30minutes.
>>
> I was running smartd, until I received your post :)
>
> Unfortunately, this does not help keep the heads parked any longer.
>
> Nonetheless, thank you for the hint.
>
> Matt
>
>
>
I think that you can use blktrace to see who is issuing the IO's that
spin up your drives....
ric
next prev parent reply other threads:[~2009-08-21 17:01 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 [this message]
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
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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