Re: last write to drive issued with write cache off?

[Bernd Schmidt]

On Fri, 22 Mar 2002, Denis Vlasenko wrote:

> Re spindown: I don't see a reason why spindown via IDE 'sleep' command
> should sound differently from spindown due to poweroff.
> 
> So it is interesting to understand why Bernd's system started to emit
> 'funny noises'.
> 
> Maybe shutdown script does not realize that drives are spun down and cause 
> disk accesses which lead to spinup? That will be
> 
> normal -> spin down -> spin up -> poweroff and spindown
> 
> and indeed may sound funny :-)

I think the explanation may be that the drives are not spun down at the
same time, but with a one or two second delay, making it sound different
than usual.

Bernd