/home/hrj/mongodb-linux-i686-static-1.6.5/bin/mongod --master --dbpath /home/hrj/mongodb_data --auth --maxConns 50    --port 6688

/home/hrj/mongodb-linux-i686-static-1.6.5/bin/mongod --slave --source myna5.sds.cnb.yahoo.com:6688 --auth --maxConns 50 --auth    --port 6689 --fastsync --autoresync --dbpath /home/hrj/mongodb_slave_data

~/mongodb-linux-i686-static-1.6.5/bin/mongo 127.0.0.1:6689 ### 在Slaver上创建帐号
> use local
switched to db local
> db.addUser('hrj','xxx')
{
                "_id" : ObjectId("4d6f6527013fcbcc74575c20"),
                "user" : "hrj",
                "readOnly" : false,
                "pwd" : "b27edaa5a8858aa3d46b60698fce1359"
} 
 ~/mongodb-linux-i686-static-1.6.5/bin/mongo 127.0.0.1:6688 ### 在Master上创建帐号
MongoDB shell version: 1.6.5
connecting to: 127.0.0.1:6688/test
>use local
switched to db local
> db.addUser('hrj','xxx')
{
                "_id" : ObjectId("4d6f6527013fcbcc74575c20"),
                "user" : "hrj",
                "readOnly" : false,
                "pwd" : "b27edaa5a8858aa3d46b60698fce1359"
}
>use test ###添加帐号认证
switched to db local
> db.auth('hrj','xxx')

###Master
~/mongodb-linux-i686-static-1.6.5/bin/mongo 127.0.0.1:6688
MongoDB shell version: 1.6.5
connecting to: 127.0.0.1:6688/test                                
> db.foo.save({'mongodb':'hello world'}) ###导入数据
> db.foo.find()   ###查询数据                                             
{ "_id" : ObjectId("4d6f72c6d807e8561b0f3db5"), "mongodb" : "hello world" }
###Slaver
~/mongodb-linux-i686-static-1.6.5/bin/mongo 127.0.0.1:6689
MongoDB shell version: 1.6.5
connecting to: 127.0.0.1:6689/test
> db.foo.find() ###查询Slaver同步数据
{ "_id" : ObjectId("4d6f72c6d807e8561b0f3db5"), "mongodb" : "hello world" }
> db.foo.save({'mongodb':'hello world test 1'}) ###Slaver导入数据，提示"not master"
not master