USB disk spin down time

Ric Moore wayward4now at
Tue Aug 23 21:02:45 UTC 2011

On Tue, 2011-08-23 at 12:59 +0100, R Kimber wrote:
> I have just bought a Samsung 2TB external USB drive and it is formatted with
> ext4.  It works fine, except that it automatically spins down very quickly
> when it thinks it's not needed.  Since it takes nearly 5 seconds to spin up
> after doing a 'save' this has started to become irritating.
> How may I best control the time before it spins down?
> There seems to be a smart disk spin-down daemon that might do it, called
> ngflushd, but it is not in the repos.  Is there a standard Ubuntu way of
> controlling the time before spin-down? And is there a command that spins it
> up again?

Try turning off the power-save feature in your setup. Ric

My father, Victor Moore (Vic) used to say:
"There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome." R.I.P. Dad.
Linux user# 44256 

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