On Friday October 14, lists@xxxxxxxxxxxxx wrote: > I want to make the spare device active. I'm using: > > ./mdadm --grow /dev/md0 --raid-disks=2 > > I'm using mdadm 1.9.0 (compiled from source). Kernel is 2.4.21-15.0.3.EL. > > Am I using the proper command line options? Yes. > Will I need a 2.6 kernel? Yes. 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