On Monday December 15, jnelson-linux-raid@xxxxxxxxxxx wrote: > mdadm --incremental seems to behave differently for me between mdadm > 2.6.4 and 3.0 > > With 2.6.4, mdadm --incremental /dev/nbd0 does this: > > mdadm: /dev/nbd0 attached to /dev/md10 which is already active. > > With 3.0, it does this: > > mdadm: /dev/md10 is already in use. > > and does *not* add it to the array. Sounds like /var/run/mdadm/map is not correctly up-to-date. Does running mdadm -Ir make "mdadm -I /dev/nbd0" work properly again? Can you provide a sequence of steps which leads to the error message that you report? Thanks, 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