On Saturday 12 October 2002 17:02, Matej Cepl wrote: > On Fri, Oct 11, 2002 at 10:25:40PM -0400, christophe barbe wrote: > > > ext3 will write to the disk every 5 seconds or so. For me, > > > that is what prevents the HD from spinning down. Under ext2 > > > the noflushd should work nicely, but ext3 wants to write to > > > its journal every so often... > > > > I don't understand what has to be written to disk if there is > > no activity. I will try to boot with ext2, but if the guilty is > > ext3, then it would be a significant drawback of ext3. I am > > still convinced that something is not right but if it is the > > way ext3 work (hd activity without other activities) then I wil > > have a look at other journalized fs. > > Actually, I struggle with the same problem too, and currently it > seems to me, that parametr noatime in /etc/fstab for every hard > disk should help (see mount(1) for more info). Moreover, the > page http://bulmalug.net/body.phtml?nIdNoticia=1511 could help > too. >
I've also experimented on this for quite a while and found that only ext2 (or other non journalling fs) will allow the disk to spin down with the help of noflushd and setting noatime. I found no journalling fs which works. If you do please let me know how. greets benny