I haven't followed this whole thread, but there is some aspect of ext3 journalling which hits that disk with regularity. Obviously not a write flush, but some sort of check out of insecurity or something. On Friday 21 August 2009 16:10:39 Matt Garman wrote: > 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 > -- 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
