Yes, I have tried 'mount -o remount, noatime /', but no any benefit.
-----Original Message----- From: Oliver Neukum [mailto:[email protected]] Sent: 2009年11月4日 16:11 To: [email protected] Cc: Lin, Weiliang Subject: Re: [Discuss] Disk Power Management Am Mittwoch, 4. November 2009 06:30:29 schrieb Lin, Weiliang: > I profiled the IO W/R using 'iostat' and found that Linux writes disk every > 10~15 seconds which means that the hard disk can not achieve 2 minutes idle > time. These written operations prevent the harddisk spin down. > > Does anyone know what is the root cause of the every 10~15 disk write even > on idle system? Is it necessary for Linux? You probably change atime on inodes. Have you tried enabling laptop mode? Regards Oliver _______________________________________________ Discuss mailing list [email protected] http://lists.lesswatts.org/listinfo/discuss
