MongoDB 3.0.1 mongodump错误

Question

我需要使用'mongodump'创建MongoDB数据库的转储文件.

    ubuntu-0864947@ubuntu-vm:~$ mongo
    MongoDB shell version: 3.0.1
    connecting to: test
    Server has startup warnings: 
    2015-03-30T14:26:08.806+0200 I CONTROL  [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.
    2015-03-30T14:26:08.807+0200 I CONTROL  [initandlisten] 
    2015-03-30T14:26:08.807+0200 I CONTROL  [initandlisten] 
    2015-03-30T14:26:08.807+0200 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
    2015-03-30T14:26:08.808+0200 I CONTROL  [initandlisten] **        We suggest setting it to 'never'
    2015-03-30T14:26:08.808+0200 I CONTROL  [initandlisten] 
    > mongodump
    2015-04-30T15:56:00.719+0200 E QUERY    ReferenceError: mongodump is not defined
        at (shell):1:1
    > mongodump RotterdamHaven
    2015-04-30T15:56:15.970+0200 E QUERY    SyntaxError: Unexpected identifier
    > use RotterdamHaven
    switched to db RotterdamHaven
    > mongodump RotterdamHaven
    2015-04-30T16:26:13.742+0200 E QUERY    SyntaxError: Unexpected identifier

谁能告诉我这里我做错了什么？

谢谢!

Answer 1

mongodump是一个可执行文件mongo,你需要在OS shell中执行它,而不是在MongoDB shell中执行它:

ubuntu-0864947@ubuntu-vm:~$ mongodump <arguments>