mongodb cloud store db

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lee@ubuntu:~$ sudo mkdir -p /var/mongodb/0
[sudo] password for lee:
lee@ubuntu:~$ sudo mkdir -p/var/mongodb/1
mkdir: invalid option -- '/'
Try `mkdir --help' for more information.
lee@ubuntu:~$ sudo mkdir -p /var/mongodb/1
lee@ubuntu:~$ cd mongodb-linux-i686-1.6.4/
lee@ubuntu:~/mongodb-linux-i686-1.6.4$ ls
bin  GNU-AGPL-3.0  README  THIRD-PARTY-NOTICES
lee@ubuntu:~/mongodb-linux-i686-1.6.4$ cd bin
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ sudo ./mongod --shardsvr --port 10000 --dbpath /var/mongod/0 --fork --logpath /dev/null
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ forked process: 3411
all output going to: /dev/null
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ sudo ./mongod --shardsvr --port 10001 --dbpath /var/mongod/0 --fork --logpath /dev/null
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ forked process: 3517
all output going to: /dev/null
________________________________________________________________________________   (1)安装shard 10000 10001

lee@ubuntu:~$ cd mongodb-linux-i686-1.6.4/
lee@ubuntu:~/mongodb-linux-i686-1.6.4$ cd bin
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ ls
bsondump  mongo  mongod  mongodump  mongoexport  mongofiles  mongoimport  mongorestore  mongos  mongosniff  mongostat
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ sudo ./mongod --configsvr --port 20000 --dbpath /var/mongod/config --fork --logpath /dev/null
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ forked process: 3843
all output going to: /dev/null
__________________________________________________________________________________(2) 启动 Config Server。
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ sudo mongos --configdb localhost:20000 --fork --logpath /dev/null
forked process: 3892
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ all output going to: /dev/null
terminate called after throwing an instance of 'mongo::UserException'
  what():  dbconnectionpool: connect failed localhost:20000
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ sudo ./mongos --configdb localhost:20000 --fork --logpath /dev/null
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ forked process: 3915
all output going to: /dev/null


_________________________________________________________________________________(3) 启动 Route Process。
_________________________________________________________________________________(4) 连接到 Route，开始配置。
lee@ubuntu:~/mongodb-linux-i686-1.6.4/bin$ ./mongo
MongoDB shell version: 1.6.4
connecting to: test
> use admin
switched to db admin
> db.runCommand({addshard : "localhost:10000"})
{
    "errmsg" : "no such cmd",
    "bad cmd" : {
        "addshard" : "localhost:10000"
    },
    "ok" : 0
}
> db.runCommand({addshard : "localhost:10001"})
{
    "errmsg" : "no such cmd",
    "bad cmd" : {
        "addshard" : "localhost:10001"
    },
    "ok" : 0
}
> db.runCommand({enablesharding : "test"})           
{
    "errmsg" : "no such cmd",
    "bad cmd" : {
        "enablesharding" : "test"
    },
    "ok" : 0
}
> db.runCommand({shardCollection : "test.users",key: {-id:1}})   
Tue Apr 19 20:36:03 SyntaxError: invalid property id (shell):0
> db.runCommand({shardCollection : "test.users",key: {_id:1}})
{
    "errmsg" : "no such cmd",
    "bad cmd" : {
        "shardCollection" : "test.users",
        "key" : {
            "_id" : 1
        }
    },
    "ok" : 0
}
addshard: 添加 Shard Server，相关的命令还有 listshards 和 removeshard。
enablesharding: 用于设置可以被分布存储的数据库。
shardcollection: 用于设置具体被切块的集合名称，且必须指定 Shard Key，系统会自动创建索引。
注: Sharded Collection 只能有一个 unique index，且必须是 shard key。