n (Logic) an uninterpreted symbolic system whose syntax is precisely defined, and on which a relation of deducibility is defined in purely syntactic terms; a logistic system, (Also called) formal theory, formal calculus Compare â formal language. 1  English Collins Dictionary - English Definition & Thesaurus.
ASM metadata is stored in disk groups â in metadata blocks. Some ASM metadata is at the fixed position in every ASM disk, and is referred to as physically addressed metadata. Other ASM metadata is organised in files (directories) and is referred to as virtually addressed metadata.
ASM is not just about redundancy, it is about ease of use for the DBA. Adding devices, removing devices, moving data around in the database online and so on. it is entirely up to you. There is no double human error that I can see, there is just human error.