On Jul 17, 2007, at 11:59 AM, Tru Huynh wrote: > On Tue, Jul 17, 2007 at 11:35:07AM -0400, Brian wrote: >> I'd like to to put the hard drives in standby mode during periods of >> no activity. I'm just running a file server plus a couple small >> things on a Qube 3 from home, although the web stuff will increase >> it's still minimal. >> >> On my NetBSD systems I can use atactl to do this via: >> >> mount -u -o async,noatime,nodevmtime / >> mount -u -o async,noatime /usr >> atactl wd0 setidle 5 >> >> [wait a time] >> # atactl wd0 checkpower >> Current power status: Standby mode >> >> I looked at smartctl but it doesn't look like I can set idle time >> with it, just readout status and perform self-tests. Is there a way? > > if it's some IDE drive then hdparm(8) might help: > hdparm -y /dev/hdd hmm.. still doesn't seem to stick: --- root at qube3 /]# hdparm -y /dev/hda /dev/hda: issuing standby command [root at qube3 /]# hdparm -C /dev/hda /dev/hda: drive state is: active/idle [root at qube3 /]# --- I see similar results when setting the spindown time with -S. Recently run commands should be memory-resident, right? Or do I need to set something somewhere for that to happen? (I'm not activating the drive again just to run hdparm am I?) I don't see any cron events that are set for every minute or anything super short. Do I need to set specific mount options? If so, which ones? Thanks- Brian