CHECK LOGICAL | DEVICE TYPE deviceSpecifier [, deviceSpecifier]... | MIRROR {ALL | integer} | NOEXCLUDE | NONLOGGED BLOCK | SECTION SIZE sizeSpec | skipSpec | FROM COPY NUMBER integer
CHECK LOGICAL | DEVICE TYPE deviceSpecifier [, deviceSpecifier]... | MIRROR {ALL | integer} | NOEXCLUDE | NONLOGGED BLOCK | SECTION SIZE sizeSpec | skipSpec | FROM COPY NUMBER integer