hard disk power down

Thorsten Leemhuis fedora at leemhuis.info
Sun May 13 18:40:28 UTC 2007

On 13.05.2007 20:23, Richard Hughes wrote:
> On Sun, 2007-05-13 at 19:24 +0200, Thorsten Leemhuis wrote:
>> Just wondering: does Fedora spin down the hard disk by default? It
>> doesn't afaics and it's not easily user-configurable either afaik.
> It doesn't - you have to be very careful with the amount of power it
> takes to spin-up a drive (often significant) compared to the amount of
> time it's spun down.

Yeah, likely; but with Robson/TurboMemory (that gets deployed in some of
the the Santa Rosa Notebooks that were announced in the past days) and
hybrid hard disks it might become much more attractive to spin down the
hard drive *if* (big if) linux starts supporting that stuff.

> The amount of disk accesses is indeed horrific in a modern distro, and
> the drive doesn't usually spin down for long, even with laptop-mode
> flushing. This is bad.

Sounds like there is a lot of stuff to fix in a whole lot of different
areas :-/

> [...]


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