// Election when master fails and remaining nodes are an arbiter and a slave. doTest = function( signal ) { var replTest = new ReplSetTest( {name: 'unicomplex', nodes: 3} ); var nodes = replTest.nodeList(); print(tojson(nodes)); var conns = replTest.startSet(); var r = replTest.initiate({"_id" : "unicomplex", "members" : [ {"_id" : 0, "host" : nodes[0] }, {"_id" : 1, "host" : nodes[1], "arbiterOnly" : true, "votes": 1, "priority" : 0}, {"_id" : 2, "host" : nodes[2] }]}); // Make sure we have a master var master = replTest.getMaster(); // Make sure we have an arbiter assert.soon(function() { res = conns[1].getDB("admin").runCommand({replSetGetStatus: 1}); printjson(res); return res.myState == 7; }, "Aribiter failed to initialize."); var result = conns[1].getDB("admin").runCommand({isMaster : 1}); assert(result.arbiterOnly); assert(!result.passive); // Wait for initial replication master.getDB("foo").foo.insert({a: "foo"}); replTest.awaitReplication(); assert( ! conns[1].getDB( "admin" ).runCommand( "ismaster" ).secondary , "arbiter shouldn't be secondary" ) // Now kill the original master mId = replTest.getNodeId( master ); replTest.stop( mId ); // And make sure that the slave is promoted new_master = replTest.getMaster(); newMasterId = replTest.getNodeId( new_master ); assert( newMasterId == 2, "Slave wasn't promoted to new master"); replTest.stopSet( signal ); } doTest( 15 );