fix(sdam): don't remove unknown servers in topology updates

NODE-2214
mongodb · Nov 5, 2019 · 1147ebf · 1147ebf
1 parent 5025159
commit 1147ebf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/core/sdam/topology_description.js b/lib/core/sdam/topology_description.js
@@ -191,7 +191,7 @@ class TopologyDescription {
     }
 
     if (topologyType === TopologyType.ReplicaSetNoPrimary) {
-      if ([ServerType.Mongos, ServerType.Unknown].indexOf(serverType) >= 0) {
+      if ([ServerType.Standalone, ServerType.Mongos].indexOf(serverType) >= 0) {
         serverDescriptions.delete(address);
       }