An error occurred while adding users to Mongodb cluster startup with security authentication

After use admin. When you add the user db. addUser ("admin", "123456"), because other nodes do not have the admin user and use the-keyFile parameter, permission authentication is required. The first time a user cannot be created.

Symptoms:

The code is as follows:

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Switched to db admin { "User": "admin ", "ReadOnly": false, "Pwd": "dfb2b4f665d248c6887cfba7b1f0c9fc ", "_ Id": ObjectId ("50b41bb41e7bf4084c43a793 ") } Tue Nov 27 09:47:32 uncaught exception: couldn't add user: SyncClusterConnection: insert prepare failed: 10.200.7.106: 10021: {errmsg: "need to login", OK: 0.0} 10.200.7.221: 10021: {errmsg: "need to login", OK: 0.0} 10.200.7.226: 10021: {errmsg: "need to login", OK: 0.0}

 

Solution.Do not add the-keyFile parameter during the first startup. Create an admin user after startup. Then stop all nodes.

Add the-keyFile parameter. Restart the cluster. You can.

The code is as follows:	Copy code
. /Bin/mongod-shardsvr-replSet shard1-port 10020-dbpath data/shard1a-keyFile/data/support/mongodb-2.2.1/primary key-oplogSize 100-logpath logs/shard1a. log-logappend-fork-rest -- nojournal