I have created an environment where 1 SAN is connected with 2 Nodes (part of SQL Server 2012 Failover Cluster) of SQL Server. Windows Server 2008 R2 is used, and single DB is stored in SAN.
We have achieved High Availability with 2 nodes and since there is a switch used to connect to SAN, it ensures that active node (which is one at a time) is connected to SAN, but other one is disconnected.
I wanted to know if I want to "scale" this architecture, how can we ensure that multiple "Active Nodes" are connected to SAN, is there a way somehow? This will help me add new nodes to SQL Server Cluster and try out various combinations like 2 active 1 passive etc.
I am from a developer background and not a server admin, please excuse if something is naive. Please help me understand. References to read are welcome.