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Hard driver Killer?

 
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kenneth.lou.hkl

External


Since: Feb 08, 2008
Posts: 1



(Msg. 1) Posted: Fri Feb 08, 2008 4:10 am
Post subject: Hard driver Killer?
Archived from groups: alt>comp>hardware>pc-homebuilt (more info?)

Hi,

I think this is an interesting question.

If you have a fully operational PC and you cut off the power
immediately without pushing the power button then you risk the chance
to damage the harddrive since the head may stay on the disks.

I just bought a CCTV system which uses the IDE harddrive.

http://cgi.ebay.co.uk/NEW-4-CHANNEL-DVR-RECORDER-CCTV-250GB-MOTION-ACT...TED_W0Q

The only power button on the recorder is at the back of it which is
similar to the black binary button located at the back of the PSU of a
PC. Please see the top left corner of
http://www.pcper.com/images/reviews/206/PSU-1.jpg

Does it mean I cannot switch off the CCTV system because if I push the
button the HDD will die very soon?

Thanks,
Ken

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Conor

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Since: Apr 13, 2004
Posts: 244



(Msg. 2) Posted: Fri Feb 08, 2008 2:05 pm
Post subject: Re: Hard driver Killer? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <0262b09e-65e1-4b5f-964e-
04043c6c028d DeleteThis @d70g2000hsb.googlegroups.com>, says...

> Does it mean I cannot switch off the CCTV system because if I push the
> button the HDD will die very soon?
>
No because the heads are never ever in contact with the platters in the
first place. They only time there MIGHT be a risk is if you move it.
But then again, my laptop hard drive heads seldom park and it gets
thrown in a bag then thrown in my lorry and chucked about the cab 400
miles a day.


--
Conor

As a Brit I'd like to thank the Americans for their help in the war
against terror because if they'd not funded the IRA for 30 years, we
wouldn't know how to deal with terrorists.

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Michael Cecil

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Since: Jan 16, 2007
Posts: 37



(Msg. 3) Posted: Fri Feb 08, 2008 2:05 pm
Post subject: Re: Hard driver Killer? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Fri, 8 Feb 2008 15:28:16 -0000, Conor <conor_turton.RemoveThis@hotmail.com> wrote:

>In article <0262b09e-65e1-4b5f-964e-
>04043c6c028d@d70g2000hsb.googlegroups.com>, says...
>
>> Does it mean I cannot switch off the CCTV system because if I push the
>> button the HDD will die very soon?
>>
>No because the heads are never ever in contact with the platters in the
>first place. They only time there MIGHT be a risk is if you move it.
>But then again, my laptop hard drive heads seldom park and it gets
>thrown in a bag then thrown in my lorry and chucked about the cab 400
>miles a day.

Anyhow, no matter how abruptly you power off the system there is still
time for the harddrives to park the heads.
--
Michael Cecil
http://macecil.googlepages.com/index.htm
http://macecil.googlepages.com/safehex.htm
http://macecil.googlepages.com/hackingvista.htm
Chuck Norris: Afraid of NOTHING, except John McCain's 95 year-old mother
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mike

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Since: Feb 09, 2008
Posts: 1



(Msg. 4) Posted: Sat Feb 09, 2008 12:04 am
Post subject: Re: Hard driver Killer? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Michael Cecil" <macecil RemoveThis @gmail.com> wrote in message
news:1mtoq3528jfr56h1l5cts64jfmq1tlqah6@4ax.com...
> On Fri, 8 Feb 2008 15:28:16 -0000, Conor <conor_turton RemoveThis @hotmail.com> wrote:
>
>>In article <0262b09e-65e1-4b5f-964e-
>>04043c6c028d@d70g2000hsb.googlegroups.com>, says...
>>
>>> Does it mean I cannot switch off the CCTV system because if I push the
>>> button the HDD will die very soon?
>>>
>>No because the heads are never ever in contact with the platters in the
>>first place. They only time there MIGHT be a risk is if you move it.
>>But then again, my laptop hard drive heads seldom park and it gets
>>thrown in a bag then thrown in my lorry and chucked about the cab 400
>>miles a day.
>
> Anyhow, no matter how abruptly you power off the system there is still
> time for the harddrives to park the heads.
> --
>
Noticed one stange thing - when i switchoff in xp the drive spindown is
almost instant. Under linux my drive can take up to 30 seconds to slow down
and finally stop...very odd.
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