On Sun, 24 Apr 2011 01:06:52 -0600 John Valarti <mdadmuser@xxxxxxxxx> wrote: > On Sat, Apr 23, 2011 at 8:54 PM, NeilBrown <neilb@xxxxxxx> wrote: > .. > > Could you please run this set of commands exactly as given and send me the > > complete output. Maybe put them in a file and run > > sh -x file > /path/on/usb 2>&1 > > > > > > cat /proc/mdstat > > mdadm --stop --verbose /dev/md1 > > ls -l /dev/sd[acd]2 > > mdadm -E /dev/sd[acd]2 > > mdadm -Afvv /dev/md1 /dev/sd[acd]2 > > cat /proc/mdstat > > dmesg | tail -100 > > > > Here you go. I warn you it is a bit long! Thanks. Length is no problem. Only it doesn't make sense at all. I cannot see how mdadm would possibly be generating just those messages. It appear to be rejecting each device for some reason, but it not reporting why it is rejecting the device... What version of mdadm is this? mdadm --version I should have asked that before. NeilBrown -- 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