On Tue, Jun 25, 2002 at 01:51:10PM +1000, Drew Parsons wrote: > On Mon, Jun 24, 2002 at 06:07:10PM +0200, Erich Schubert wrote: > > > My main point is that the journalling filesystem isn't a *huge* strain on > > > power resources (even if you can do even better with just ext2). > > > > Well, it prevents noflushd from powering down your hard drive. I tried > > it. After switching to ext2 i ocassionally hear my drive power down, and > > that certainly will save power. > > > > Yes, the power-down is quite amusing with ext3. Sometimes when I'm doing > something that runs in memory, so I don't need the hard drive, I hear the > hard drive power down. Just as I'm thinking "at last, some peace and > quiet", about 15 seconds later it powers up again. I guess that must be the > journal getting written or something. I experienced the very same, but turned it off for the following reasons: power: the spinning-up would consume more power (imo) than the 15s of peace save. durability: spinning up and down contiously would put a huge strain on the hdd... Don't know if the laptophdd's are specially hardened noise: a continious noise is much less irritating than a renewed noise every X minutes :)
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