On an existing two-node cluster， the system is configured with RAID5 SSA as the shared disk.  When adding a new node to the cluster， what must be taken into consideration？（）  

• A、 Nothing，SSA can support a maximum of 8 initiators per loop.
• B、 The RAID5 implementation on SSA will only support two initiators per loop.
• C、 SSA can only support four initiators per lop when using the fat write option.
• D、 The RAID implementation can be used with three initiators only if the fast write cache option is used on all adapters.