On Thu, May 29 2003, Soeren Sonnenburg wrote: > [...] > > > I don't know whether linux supports this, but is it actually possible to > > > have say ext3/xfs or reiserfs with the harddisk going to standby if > > > there is no heavy disk activity (say I am willing to waste 100MB for a > > > writing buffer before any disk activity starts). > > > > My laptop mode patch is in the 2.4.21-rc-ben tree, you don't have to do > > special tricks to get good spin down times with that. > > So it is enough to run noflushd or even set hdparm to a reasonable (say > 5min) disk timeout ?
You shouldn't run noflushd, it's a bit more clever than that.. I could tell you all about it, but you can read for yourself in Documentation/laptop-mode.txt -- Jens Axboe
