;,
"me" : "test1.lan:37017",
"electionId" : ObjectId("7fffffff0000000000000001"),
"lastWrite" : {
"opTime" : {
"ts" : Timestamp(1493046429, 1),
"t" : NumberLong(1)
},
"lastWriteDate" : ISODate("2017-04-24T15:07:09Z")
},
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"maxWriteBatchSize" : 1000,
"localTime" : ISODate("2017-04-24T15:07:24.475Z"),
"maxWireVersion" : 5,
"minWireVersion" : 0,
"readOnly" : false,
"ok" : 1
}
这样 shard-a shard-b 两个副本集已经配置完成
开始配置 config server,MongoDB 从3.2版本之后开始规定 config server 也必须要开启副本集功能。
config server 的配置文件如下:config server 一般情况下是监听在 27019 端口
# mongod.conf
# for documentation of all options, see:
# http://docs.mongodb.org/manual/reference/configuration-options/
# where to write logging data.
systemLog:
destination: file
logAppend: true
path: /var/log/mongodb/mongod.log
# Where and how to store data.
storage:
dbPath: /var/lib/mongo
journal:
enabled: true
# engine:
# mmapv1:
# wiredTiger:
# how the process runs
processManagement:
fork: true # fork and run in background
pidFilePath: /var/run/mongodb/mongod.pid # location of pidfile
# network interfaces
net:
port: 27019
bindIp: 0.0.0.0 # Listen to local interface only, comment to listen on all interfaces.
#security:
#operationProfiling:
replication:
replSetName: cfgReplSet
sharding:
clusterRole: configsvr
## Enterprise-Only Options
#auditLog:
#snmp:
启动三台config server 的mongod 服务
[root@test4 ~]# service mongod start
Starting mongod: [ OK ]
[root@test5 ~]# service mongod start
Starting mongod: [ OK ]
[root@test6 ~]# service mongod start
Starting mongod: [ OK ]
同样,config server 的副本集配置如上文所示,这里的代码就省略了。
配置启动 mongos 路由主机
[root@test7 ~]# mongos --configdb cfgReplSet/test4.lan,test5.lan,test6.lan:27019 --logpath /var/log/mongodb/mongos.log --fork --port 30000
about to fork child process, waiting until server is ready for connections.
forked process: 3338
child process started successfully, parent exiting
MongoDB 版本 >3.2 启动mongos 的时候,需要跟上 config server 的副本集名称 (这里是 cfgReplSet)
连接 mongos 测试
[root@test7 ~]# mongo test7.lan:30000
MongoDB shell version v3.4.4
connecting to: test7.lan:30000
MongoDB server version: 3.4.4
Server has startup