Messages in this thread | | | Date | Wed, 10 Apr 2002 00:22:14 +0200 | From | Pavel Machek <> | Subject | Re: faster boots? |
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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 -- Casualities in World Trade Center: ~3k dead inside the building, cryptography in U.S.A. and free speech in Czech Republic. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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