reducing power usage of Fedora - how you can help!

Arjan van de Ven arjan at
Thu Aug 9 22:50:49 UTC 2007

On Thu, 2007-08-09 at 23:56 +0200, dragoran wrote:
> On 8/9/07, Rahul Sundaram <sundaram at> wrote:
>         [..]
>         echo 5 > /proc/sys/vm/laptop_mode
> gnome-power-manager already sets this (only to 2 but it does) when
> running on battery.
> also it does not use 5 to avoid to many spindown cycles 

laptop mode does not spin down the disk. It just clusters IO.

And it's useful everywhere, not just when on battery...

Let me say that again: Power saving matters everywhere, not just on
battery. Just ask any sysadmin who runs a datacenter...

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