linux-kernel - Re: 2.6.27.10: ata1.00: HPA detected: current 293044655, native 293046768

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Message-ID: <495B9ED3.8050008@rtr.ca>
Date:	Wed, 31 Dec 2008 11:33:23 -0500
From:	Mark Lord <liml@....ca>
To:	Robert Hancock <hancockr@...w.ca>
Cc:	linux-ide@...r.kernel.org, linux-raid@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.27.10: ata1.00: HPA detected: current 293044655, native 
  293046768

Robert Hancock wrote:
> Justin Piszcz wrote:
>> On one system, two Raptor 150s:
>>
>> [    0.739402] ata1.00: HPA detected: current 293044655, native 293046768
..
> Presumably somebody or something set up a host protected area on one 
> drive and not the other.. I believe there are some utilities out there 
> that can be used to disable the HPA and allow the full capacity to be used.
..

"hdparm -N" can do this, temporarily or permanently.
Get the latest version from Sourceforge, and see the manpage for details.

-ml

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