> [ ... ] Does anybody know what would be the fastest way > to rename MD device (without recreating/resyncing)? [ ... ] Nobody can possibly know that because the questions does not make any sense: because like all other types of files, devices have no name in a POSIX/UNIX style system. If you are quick, the above paragraph tells you how to achieve what you want to do. -- 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