[gentoo-user] Re: Hard disk power save

[Remy Blank <remy.blank@pobox.com>]

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Danis Petkakis wrote:
> ok i tried 'hdparm -y /dev/sda' and though i can hear a little noise as
> if the disk is in sleep
> mode after a while (5 secs) it makes a noise as though it is spinning up
> again...

That's why I mentioned laptop-mode-tools. If configured properly, it
ensures that the drive will not spin up a few seconds after having
stopped, by buffering all writes. For example, I have configured my
laptop to buffer writes for up to 10 minutes.

The drawback, obviously, is that I can loose up to 10 minutes of work if
I have a power interruption, but on a laptop, this never happens. I'm
not sure I would want to have that on a server, though.

-- Remy


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