[ltp] apm --standby and an other 'problem'

Heiko Rosemann linux-thinkpad@linux-thinkpad.org
Thu, 12 Feb 2004 21:11:31 +0100 (CET)


Hi everyone,

On Thu, 12 Feb 2004, Steve Stavropoulos wrote:

> On Thu, 12 Feb 2004, Marius Gedminas wrote:
>
> > On Thu, Feb 12, 2004 at 10:22:16AM +0100, Konstantin wrote:
> > I have the same problem.  Even in single user mode, with all daemons
> > stopped and / mounted noatime, the disk would still spin up.
> >
>
>  You have to tune the /proc/sys/vm/bdflush option so ext3 won't write it's
> journal every 5 seconds which is the default. The following line should do
> the trick:

There also is a "commit="-mount-option for ext3 - although I personally
changed back to ext2 on my X30 - of what use is a journal if it's not
regularly written to disk? OK, recovering from power failures shouldn't
occur too often on a Thinkpad/laptop in general... *)

Just my 0.02 EUR, Heiko

*) Lately, in the company where I work, the oven blew the fuse - we were so
glad we were (mainly) working on Thinkpads, only one desktop PC lost its
data... and it might have been hours of heavy night work to meet the
deadline :-)

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