I'm running Fedora Core 1 on a Compaq Armada M700. The drive light flashes only on occasion with X running and a screen saver. It's about every 10 - 15 minutes or so. Sam. Callum Lerwick wrote: >>Of course laptop mode is good to use, but don't over-estimate the >>benefit of using it. It will not be of much benefit to CPU bound tasks >>which rarely do disk I/O. The disk shouldn't be written to when there's >>nothing in the cache to write, so the sync every 5 seconds could >>effectively be a NOP. >> >> > >I've tested this a bit, at least with ext3. Even with *nothing* running, >killed off everything but a shell, ext3 writes *something* to disk every >minute or so. The disk never spins down. Dunno about reiser. > >But on a real running system, there's definitely going to be something >keeping the disk spinning all the time. If there's so much as one dirty >block, the kernel will sync it within 1 minute. The laptop mode script >tunes this up to 10 minutes, something far more useful for power saving. >But also increases the possibility of losing data should your battery >die or otherwise hang. > > >_______________________________________________ >TCLUG Mailing List - Minneapolis/St. Paul, Minnesota >Help beta test TCLUG's potential new home: http://plone.mn-linux.org >Got pictures for TCLUG? Beta test http://plone.mn-linux.org/gallery >tclug-list at mn-linux.org >https://mailman.real-time.com/mailman/listinfo/tclug-list > > > _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota Help beta test TCLUG's potential new home: http://plone.mn-linux.org Got pictures for TCLUG? Beta test http://plone.mn-linux.org/gallery tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list