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From: Robert Hancock <hancockr@shaw.ca>
To: Bartosz SKOWRON <getxsick@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: libata - anomaly performance with NCQ
Date: Fri, 30 Jan 2009 19:07:18 -0600	[thread overview]
Message-ID: <4983A446.5080809@shaw.ca> (raw)
In-Reply-To: <77887e110901301623u746535f2q7dcc37cd40d2cc56@mail.gmail.com>

Bartosz SKOWRON wrote:
> Hi,
> 
> here is a problem:
> http://ata.wiki.kernel.org/index.php/Known_issues#Seagate_harddrive_performance_anomaly_with_hdparm
> 
> and my disk is affected by this one as well.
> it's ST9320421AS and you can add it to the list
> 
> And 2 questions:
> 1) cause the title contains "with hdparm"...does it mean that
> physically the performance is OK and only hdparm shows something
> wrong?

Well, hdparm is a fairly crude benchmark but there's likely at least 
some impact in other usage.

> 2) there is an information about upgrading firmware. as far as i know
> Seagate doesn't publish firmwares. So the only way is to contact
> seagate support, send the hdd and wait for the new one?

I think Seagate can provide firmware updaters for the user to use, but 
normally only if you contact support I think.

  reply	other threads:[~2009-01-31  1:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-31  0:23 libata - anomaly performance with NCQ Bartosz SKOWRON
2009-01-31  1:07 ` Robert Hancock [this message]
2009-01-31  1:25   ` Bartosz SKOWRON
2009-01-31  5:18     ` Robert Hancock
2009-02-02  2:29       ` Bartosz SKOWRON

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