Re: Loud "pop" coming from hard drive on reboot

[Mark Lord]

Tejun Heo wrote:
> 1. shutdown(8) issues SYNCHRONIZE_CACHE followed by STANDBY_NOW
> 2. kernel shutdown starts
> 3. libata shutdown issues SYNCHRONIZE_CACHE
> 4. power goes off

Okay, after some experimentatino, it's the STANDBY_NOW that
is causing the Power-Off_Retract_Count to increment on my machine.

Tell me again why we think we need to issue that command ?

Thanks.
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