You can use 2 dbs if you apply the STONITH principle (Shoot The Other Node In The Head). Typically, when one node decides to be master, it can switch off with c

You can use 2 dbs if you apply the STONITH principle (Shoot The Other Node In The Head). Typically, when one node decides to be master, it can switch off with certainty the other one. Routinely used in HA (Highly Available) industrial applications.