On April 16, stef@chronozon.artofdns.com wrote: > > [root@survivor root]# mdadm --manage /dev/md0 -a > /dev/ide/host4/bus0/target0/lun0/part2 > mdadm: add new device failed for /dev/ide/host4/bus0/target0/lun0/part2: > Device or resource busy Do you get any kernel messages at the same time as this error? NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html