On Saturday June 28, pilchman@attbi.com wrote: > Hi all! > > I have several RAID-5 devices that I would like to renumber > (incrementing each minor number by 1). > > Is it possible to do this without re-creating them? I'd like to avoid > unnecessary re-syncs as well as the possibility of screwing up. > mdadm -A --update=superminor /dev/mdNEWNUMBER /dev/sd... should work with mdadm 1.2.0. Obviously you have to stop the array first as "mdadm -A" starts a stopped array. Check the manpage to make sure I haven't mispelled somthing. 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