From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: frequent head unloads
Date: Sun, 04 Oct 2009 12:27:12 +0900
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To: Mike Sumner <msumner828@btinternet.com>
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Mike Sumner wrote:
> This is the info for my new SONY VAIO FW31E
> 
> It was doing an unload cycle every 15 seconds.

Noted in ATA known issues wiki and added to storage-fixup.

> I have found that the setting does not stick on re-boot or after
> suspend.  Any suggestions?

You can use storage-fixup.

  http://git.kernel.org/?p=linux/kernel/git/tj/storage-fixup.git

Thanks.

-- 
tejun