1.   The aisled nave has four bays and the church is barrel vaulted throughout at almost the same height -- there is neither triforium nor clerestory.

2.   Typically, the RV island has two bays.

3.   Unfortunately, the Millennia Max only has two bays.

4.   You can either swap a bigger drive for your current one, or add a second drive if you have an empty drive bay inside the PC.