[ltp] Re: Noisy harddisk shutdown

[linux-thinkpad@linux-thinkpad.org]

On Mon, Nov 08, 2004 at 03:39:16PM -0500, Volker Braun wrote:
> Basically the drive can be informed to stop slowly (=> no noise) or the
> power can be cut and the drive does an emergency park (=>clack). The
> latter puts more mechanical stress on the drive, but still has a MTBF >
> 20,000 times. Since there is no way you can shutdown that often, it is
> considered a non-issue (search recent lkml discussion).


I  have an R51 with an IBM/Hitachi HTS548040M9AT00 (40GB) and it is also
sometimes noisy... 

I have searched the thread on lkml but I don't find it, can you tell me
some link or the subject or the thread?

Thanks

	Ulisses

> -Volker
> 
> 
> On Mon, 08 Nov 2004 19:38:00 +0000, Jan Frey wrote:
> > when turning my notebook (A30p, kernel is 2.6.7, APM, HD is Hitachi/IBM
> > HTS548060M9AT00) the harddrive quite often gives a terrible noise
> > (djjjj-CLACK!) just microseconds before screen goes blank and power is
> > off. It really does not sound healthy. Anyhow, drive is absolutely new and
> > does not show any problems elsewhere. Also sound never appears when using
> > suspend-to-disk. So I guess there must be ways to avoid this (power
> > management settings, sending hd to sleep before power off, etc.) Any
> > ideas?
> 
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