On Tuesday 20 January 2004 11:22 pm, Rick Stevens wrote: > don wrote: > > Samuel AU said: > >>Hi all, > >> > >>I issued the following command in crontab. However, the light of > >> my hard drive on every 1 to 2 seconds. It seems doesn't work. > >> So, how can I spin down the hard drive every 3 minutes? > > > > man hdparm > > > > hdparm -S36 ... > > > > 3 minutes = 180 seconds = 36, 5 second intervals > > Yes, but after ALL activity is done. I suspect the dirty cache > flush is preventing the spindown. You're correct. Google for "noflushd" or check freshmeat.net. It's a daemon that fixes this problem. Regards, John
