Gentoo Archives: gentoo-user

From: Kent Fredric <kentfredric@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] My harddisk doesn't want to spin down permanently
Date: Fri, 26 Jan 2007 01:55:03
Message-Id: 8cd1ed20701251747i304ac2easba70b6314bc950de@mail.gmail.com
In Reply to: Re: [gentoo-user] My harddisk doesn't want to spin down permanently by Jakob Buchgraber
1 On 1/26/07, Jakob Buchgraber <jakob.buchgraber@××××××××××.com> wrote:
2 > The drive is mounted (contains the / partition). If no program access
3 > the harddisk, this actually shouldn't matter as otherwise the whole
4 > concept of laptop-mode etc. is nuts (or I completely misunderstood it :-) ).
5 >
6 > So does it only work if no partition of the harddisk is mounted?
7 >
8 > Help is greatly appreciated!
9 >
10 > Cheers,
11 > Jay
12
13 >From what i've read of laptop mode, it basically does lots of disk
14 caching to reduce IO calls, but not completely eliminate them.
15 Eventually, the disk will need to be spun up again to synchronise the
16 disk with ram and make everything square, and then put new data in the
17 ram and get rid of stuff no longer relevant. So in my understanding,
18 limited ram could possibly be a choking point.
19
20 Hope these can be of use ^^;
21
22 http://www.thinkwiki.org/wiki/Laptop-mode
23 http://kerneltrap.org/node/653
24
25 --
26 /<ent Fredric
27 (aka theJackal)
28 --
29 gentoo-user@g.o mailing list