use Data::Dumper;

my %Volume_Info = ( alpha => [ 0, 512, 1048576, 1,
                               { one => 'first_hash' },
                               [ 'two', 'first_array' ],
                               { three => 'second_hash' },
                               -1, 0, 'zfod', 0 ],
                    beta  => [ 1, 2, { four => 'third_hash' },
                               2, 1 ] );

print Dumper(\%Volume_Info);