seagate HD spindown prevention windows

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    I have a old box running Win2000 for data acquisition with an old 20Gb
Seagate ST320423A drive in it 24/7. I've disabled power saving features for
the HD's in the control panel but after some recent updates, the drive has
been spinning down after a while. When a data acquisition event occurs, the
drive fails to spin up in time and the app looses data. I seem to recall
Seagate drives doing something 'intelligent in this respect - any way to
turn this off ?



Re: seagate HD spindown prevention windows

On Wed, 21 Nov 2007 12:53:40 GMT, ""

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The OS should be caching this, or is the app running at such
a low level it can't?

The setting to keep it running should be as expected in the
power management menu (Control Panel -> Power Options ->
Turn Off Hard Disks: "Never")

If that doesn't work, I would wonder if the drive or PSU is
failing as they are as you say "old".  Even a failing
motherboard could intermittently cause a high load that
interferes with the HDD staying spinning or even rarer I
have come across faulty drivers for other devices in a
system that cause the HDD to spin down, though usually
concurrent to this spin-down the whole system resets,
reboots even if the OS setting to reboot-on-error is

Perhaps a better question is what recent updates have be
made and were they necessary or could you just undo those,
and/or if it's software related might you have a backup
prior to the changes that you can restore?

Re: seagate HD spindown prevention windows

Disable power saving options in the BIOS.

"" wrote:
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                   Mike Walsh

Re: seagate HD spindown prevention windows

Mike Walsh wrote:  ** and top-posted.  Fixed **
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Ensure that there is sufficient memory to buffer the entire
acquisition cycle before attempting to write it.  Barring that, I
suspect your best bet is to query Seagate.

Please do not top-post.  Your answer belongs after (or intermixed
with) the quoted material to which you reply, after snipping all
irrelevant material.  I fixed this one.  See the following links:

  < (taming google)
  < (newusers)

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