Re: faster boots?

Pavel Machek
2002-04-09T22:22:13Z

Hi!

> > > > Well, noflushd already seems to work pretty well ;-). But I see kernel
> > > > support may be required for SCSI.
> > >
> > > I've had no luck at all with noflushd on my Toshiba Satellite 4070CDT.
> > > It would spin down every few minutes, and then spin up _immediately_,
> > > every time. I have no idea why.
> >
> > Were you using the console? Any activity on ttys causes device inode
> > atime/mtime updates which trigger disk spin ups. The easiest way to
> > work around this is to run X while using devpts for the ptys.
>
> I was using X, nodiratime on all /dev/hda mounts. My friend who has the
> small VAIO with a Crusoe chip also reports the same problem: noflushd
> doesn't work with 2.4 kernels (versions that we tried), and the problem
> is the same: it spins down and then spins up immediately afterward.

It works for me, 2.4.18 on HP omnibook xe3.

You may want to watch /proc/stats to see if it is read or write
activity that wakes disk up.

Pavel
--
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