On Fri, Aug 21, 2009 at 06:45:45AM +1200, Richard Scobie wrote: > Matt Garman wrote: >> So what I'm trying to figure out is, what is causing the disk >> access? It could be any one of: >> >> - Kernel >> - RAID subsystem (i.e. md) >> - XFS filesystem >> - NFS >> - Samba >> - ??? > > Are you running smartd? It polls the drives every 30minutes. I was running smartd, until I received your post :) Unfortunately, this does not help keep the heads parked any longer. Nonetheless, thank you for the hint. 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