[root@test1 ~]# mkdir /var/lib/mongo2
[root@test1 ~]# mongod --shardsvr --replSet shard-b --dbpath /var/lib/mongo2/ --port 37017 --logpath /var/log/mongodb/mongod2.log --fork --journal
about to fork child process, waiting until server is ready for connections.
forked process: 14323
child process started successfully, parent exiting
[root@test2 ~]# mkdir /var/lib/mongo2
[root@test2 ~]# mongod --shardsvr --replSet shard-b --dbpath /var/lib/mongo2/ --port 37017 --logpath /var/log/mongodb/mongod2.log --fork --journal
about to fork child process, waiting until server is ready for connections.
forked process: 5623
child process started successfully, parent exiting
[root@test3 ~]# mkdir /var/lib/mongo2
[root@test3 ~]# mongod --shardsvr --replSet shard-b --dbpath /var/lib/mongo2/ --port 37017 --logpath /var/log/mongodb/mongod2.log --fork --journal
about to fork child process, waiting until server is ready for connections.
forked process: 4303
child process started successfully, parent exiting
配置 shard-b 副本集