backupTypeSpec | CHANNEL ['] channel_id ['] | CHECK LOGICAL | COPIES integer | CUMULATIVE | DEVICE TYPE deviceSpecifier | DISKRATIO integer | duration | fileNameConversionSpec | FILESPERSET integer | FORCE | {AUXILIARY FORMAT { formatSpec [, formatSpec]... | NEW} | FORMAT formatSpec [, formatSpec]...} | forRecoveryOfSpec | FULL | INCREMENTAL {LEVEL | FROM SCN} integer | keepOption | MAXSETSIZE sizeSpec | notBackedUpSpec | NOCHECKSUM | NOEXCLUDE | POOL integer | PROXY [ONLY] | REUSE | SECTION SIZE sizeSpec | skipSpec | TAG ['] tag_name ['] | VALIDATE