On Tue, Oct 02, 2012 at 03:56:42PM +1000, NeilBrown wrote: > Lesson: always do a read test as well as a write test! And there was me thinking that drives read back data after writing it - clearly they do not :-) > Looks like a bug. md_do_sync() is still waiting for all the submitted sync > requests to complete. This suggests some sort of accounting problem, but I > cannot easily see it. > > A reboot is likely to be the only fix. Thank you. We'll take it out of service and upgrade to 12.04 at the same time. Cheers, Brian. -- 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