After run mongodb_create_replica_set.sh we need config the replica, run this with a command like: mongo --port 27017 < mongodb_init_replica.js

mongodb_init_replica.js

/**
 * We should config the replica after start the 3 servers
 * run this with a command like: 
 * mongo --port 27017 < mongodb_init_replica.js
 */

config = { _id: "m101", members:[
          { _id : 0, host : "localhost:27017"},
          { _id : 1, host : "localhost:27018"},
          { _id : 2, host : "localhost:27019"} ]
};

rs.initiate(config);
rs.status();