Mailing List Archive

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On Sun, 29 Feb 2004, Isaac Richards wrote:

> Acoustic management seems to be completely disabled in the drive's firmware,
> with no way to turn it on.

echo "accoustic:0" > /proc/ide/hda/settings
Turned on full accoustic management on my 7200.7, although it
didn't stop the seeking, just made it a lot quieter. For some reason,
tweaking the accoustic management setting using hdparm didn't work but
doing it directly did.

- --

- Steve http://www.nexusuk.org/

Servatis a periculum, servatis a maleficum - Whisper, Evanescence

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>-----Original Message-----
>From: Isaac Richards [mailto:ijr@po.cwru.edu]
>Sent: Sunday, February 29, 2004 8:04 PM
>To: Discussion about mythtv
>Subject: Re: [mythtv-users] Hard drive recommendation
>
>
>On Sunday 22 February 2004 07:59 am, Joseph A. Caputo wrote:
>> On Friday 20 February 2004 18:48, J. Donavan Stanley wrote:
>> > Chris Petersen wrote:
>> > >>Look into the Barracuda 7200.7 line...
>> > >
>> > >Speaking of which, I think there is a deal for one of
>these listed at
>> > >techbargains.com right now.. $130 or so for a 200G drive.
>> >
>> > I've got the 200gb 7200.7 in my main Myth box. It's hot, but I've
>> > never heard it running, not even during boot up.
>>
>> Yeah, I got one of these a little while back via the rebate CompUSA
>> was offering ($100 after rebates), and I was quite surprised &
>> impressed at how quiet it is. I can never hear it running at all,
>> even when there's a lot of disk activity.
>>
>> I hear the Barracuda V is even quieter, if that's possible.
>
>Just an update on the Seagate 7200.7: I bought a 200GB 7200.7
>last week, and
>it exhibits the behavior described here:
>
>http://gathering.tweakers.net/forum/view_message/20081647
>
>Basically, when the drive is idle for a a little bit, it will,
>all on its own,
>decide to start seeking around and reading mass amounts of data.
>
>It's relatively loud and very annoying, when the computer
>would otherwise be
>quiet. I've worked around this by running a little shell
>script that runs
>'hdparm -I /dev/hdb' every second to prevent the drive from ever being
>detected as idle, but that's not really an ideal solution. I
>certainly would
>not have bought the drive if I had known of this in advance.
>
>Isaac

FWIW, I have the exact same drive, with no problems at all.


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On Sunday 29 February 2004 21:03, Isaac Richards wrote:
> On Sunday 22 February 2004 07:59 am, Joseph A. Caputo wrote:
> > On Friday 20 February 2004 18:48, J. Donavan Stanley wrote:
> > > Chris Petersen wrote:
> > > >>Look into the Barracuda 7200.7 line...
> > > >
> > > >Speaking of which, I think there is a deal for one of these
> > > > listed at techbargains.com right now.. $130 or so for a 200G
> > > > drive.
> > >
> > > I've got the 200gb 7200.7 in my main Myth box. It's hot, but
> > > I've never heard it running, not even during boot up.
> >
> > Yeah, I got one of these a little while back via the rebate CompUSA
> > was offering ($100 after rebates), and I was quite surprised &
> > impressed at how quiet it is. I can never hear it running at all,
> > even when there's a lot of disk activity.
> >
> > I hear the Barracuda V is even quieter, if that's possible.
>
> Just an update on the Seagate 7200.7: I bought a 200GB 7200.7 last
> week, and it exhibits the behavior described here:
>
> http://gathering.tweakers.net/forum/view_message/20081647
>
> Basically, when the drive is idle for a a little bit, it will, all on
> its own, decide to start seeking around and reading mass amounts of
> data.
>
> It's relatively loud and very annoying, when the computer would
> otherwise be quiet. I've worked around this by running a little
> shell script that runs 'hdparm -I /dev/hdb' every second to prevent
> the drive from ever being detected as idle, but that's not really an
> ideal solution. I certainly would not have bought the drive if I had
> known of this in advance.

Hmmm, I don't think I'm seeing this on my 200GB 7200.7... it's quite a
bit quieter than my old 120GB WD Caviar, but I still think I'd notice
if it was thrashing like that... I wonder if it's because I have swap
enabled on a partition on that drive (and it's also my boot drive)? So
that maybe it's never detected as idle... my HD light is always on
(steady), even though I usually can't detect any disk activity when I'm
not using it...

-JAC
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Joseph A. Caputo wrote:

>Hmmm, I don't think I'm seeing this on my 200GB 7200.7... it's quite a
>bit quieter than my old 120GB WD Caviar, but I still think I'd notice
>if it was thrashing like that... I wonder if it's because I have swap
>enabled on a partition on that drive (and it's also my boot drive)? So
>that maybe it's never detected as idle... my HD light is always on
>(steady), even though I usually can't detect any disk activity when I'm
>not using it...
>
>

Same here. Though I was also able to do "hdparm -M 128" on it as well.
Maybe Isaac has a bad drive?
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On Monday 01 March 2004 04:56 pm, J. Donavan Stanley wrote:
> Joseph A. Caputo wrote:
> >Hmmm, I don't think I'm seeing this on my 200GB 7200.7... it's quite a
> >bit quieter than my old 120GB WD Caviar, but I still think I'd notice
> >if it was thrashing like that... I wonder if it's because I have swap
> >enabled on a partition on that drive (and it's also my boot drive)? So
> >that maybe it's never detected as idle... my HD light is always on
> >(steady), even though I usually can't detect any disk activity when I'm
> >not using it...
>
> Same here. Though I was also able to do "hdparm -M 128" on it as well.
> Maybe Isaac has a bad drive?

hdparm -M says its working, but doesn't actually do anything to make a
difference. The acoustic management setting shown from hdparm -I never
changes. You probably just have a different (older) drive firmware than I
do.

I've pretty much have worked around things, though, so it doesn't really
matter anymore.

Isaac
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