diff --git a/Failover-Master-Server.md b/Failover-Master-Server.md
index 2b59b61..ab025ed 100644
--- a/Failover-Master-Server.md
+++ b/Failover-Master-Server.md
@@ -48,3 +48,8 @@ weed volume -dir=./3 -port=8082 -mserver=localhost:9333,localhost:9334,localhost
 ```
 
 These 6 commands will actually functioning the same as the previous 3 commands from the cheatsheet.
+
+## FAQ
+* Q: Is it possible to add an additional master server to an already running SeaweedFS cluster?
+
+    A: In previous versions, the master peers can be added. But this can cause split-brain problem. Now adding peers is not allowed.
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