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

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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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