On Fri, Aug 21, 2009 at 06:00:43PM -0400, Bill Davidsen wrote: > /proc/sys/vm/dirty_expire_centisecs still set to 30 sec? $ cat /proc/sys/vm/dirty_expire_centisecs 2999 Yup. Maybe I don't understand exactly what this does, but if the drives are idle (i.e. no reads or writes) for say an hour or more, why would there be any dirty data to flush? That's why I'm confused---this machine literally goes for hours at a time without and read or write attemps on these drives. -Matt -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html