mongodb 升级的问题导致添加帐号出现问题

mongodb

原有数据库版本：2.2.2
更新到数据库版本： 2.6.6

原有添加帐号的函数： db.addUser("1", "1"). 失效

提示需要调用函数：
db.createUser({ "user": "1", "pwd": "1", "roles": [{ "role": "readWrite", "db": "identidy_info" }]})

但是会报：
Error: couldn't add user: User and role management commands require auth data to have schema version 3 but found 1 at src/mongo/shell/db.js:1004


执行以下命令后，再次调用createUser成功：
db.getSiblingDB("admin").runCommand({authSchemaUpgrade: 1 });



During initial sync, found documents in admin.system.users but could not find an auth schema version document in admin.system.version

https://docs.mongodb.com/manual/release-notes/2.6-upgrade-authorization/

亚马逊服务器上安装mongodb： https://docs.mongodb.com/manual/tutorial/install-mongodb-on-amazon/
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