MongoDB啓動時出現errno:111 Connection refused錯誤的解決

MongoDB啓動時報下列錯誤

[root@MongoDB ~]# mongo
MongoDB shell version: 2.6.1
connecting to: test
2014-05-25T18:47:24.021+0800 warning: Failed to connect to 127.0.0.1:27017, reason: errno:111 Connection refused
2014-05-25T18:47:24.022+0800 Error: couldn't connect to server 127.0.0.1:27017 (127.0.0.1), connection attempt failed at src/mongo/shell/mongo.js:146
exception: connect failed

解決方法：

1.查看保存數據庫的目錄是否存在

2.啓動MongoDB的同時指定數據庫保存在什麼地方

3.再次執行mongo