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
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