mongodb副本集搭建

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[root@localhost /]#:

参考文章:http://blog.csdn.net/yumushui/article/details/45027501

http://www.runoob.com/mongodb/mongodb-replication.html

在搭建mongodb副本集之前,需要有以下准备工作:

1:linux + apache + php(方便测试和查看,建议搭建)

2:mongodb单机部署(至少布置两台,其中一台为主节点,其余为从节点) ---mongodb3.4.2

3:对于mongdb副本集搭建之前,得有一个规划:

副本集名称(replSet):rs1

mongodb安装路径:/user/loca/mongodb

日志文件:/user/local/mongodb/log/mongodb.(必须有,否则无法fork,操作起来较为麻烦)

测试环境:

虚拟机上,局域网,ip分别为:192.168.2.33(主) 192.168.2.32(从)

系统环境:centos7.0+apache2.2+php5.6+mysql5.6(多余,但不影响)

mongodb部署(2台,一主,一从;)

搭建步骤:

1:启动mongodb服务器(2台都启动):

[root@localhost /]#: /user/local/mongodb/bin/mongod --port 27017 --fork --logpath=/usr/local/mongodb/log/mongodb.log --replSet rs1

2.进入主节点服务器 :

[root@localhost /]#: /user/local/mongodb/bin/mongo --port27017

>config={_id:'rs1',members:[{_id:0,host:'192.168.2.33:27017',priority:1}]}

>rs.initiate(config)

配置成功后

{ "ok" : 1 }

5.(添加副本集)

rs.PRIMARY>rs.add('192.168.2.32:27017')

配置成功后

{ "ok" : 1 }

6.(查看状态:)

rs.PRIMARY>rs.status()

{"set" : "rs1","date" : ISODate("2017-02-09T01:44:35.670Z"),"myState" : 1,"term" : NumberLong(1),"heartbeatIntervalMillis" : NumberLong(2000),"optimes" : {"lastCommittedOpTime" : {"ts" : Timestamp(1486604663, 1),"t" : NumberLong(1)},"appliedOpTime" : {"ts" : Timestamp(1486604663, 1),"t" : NumberLong(1)},"durableOpTime" : {"ts" : Timestamp(1486604663, 1),"t" : NumberLong(1)}},"members" : [{"_id" : 0,"name" : "192.168.2.33:27017","health" : 1,"state" : 1,"stateStr" : "PRIMARY","uptime" : 911,"optime" : {"ts" : Timestamp(1486604663, 1),"t" : NumberLong(1)},"optimeDate" : ISODate("2017-02-09T01:44:23Z"),"electionTime" : Timestamp(1486604525, 2),"electionDate" : ISODate("2017-02-09T01:42:05Z"),"configVersion" : 2,"self" : true},{"_id" : 1,"name" : "192.168.2.32:27017","health" : 1,"state" : 2,"stateStr" : "SECONDARY","uptime" : 12,"optime" : {"ts" : Timestamp(1486604663, 1),"t" : NumberLong(1)},"optimeDurable" : {"ts" : Timestamp(1486604663, 1),"t" : NumberLong(1)},"optimeDate" : ISODate("2017-02-09T01:44:23Z"),"optimeDurableDate" : ISODate("2017-02-09T01:44:23Z"),"lastHeartbeat" : ISODate("2017-02-09T01:44:35.480Z"),"lastHeartbeatRecv" : ISODate("2017-02-09T01:44:33.648Z"),"pingMs" : NumberLong(1),"configVersion" : 2}],"ok" : 1}

由此，配置完成，但这只是初步的,若要保证安全还要在启动之前配置key File，这里不细说,请参考：

http://blog.csdn.net/yumushui/article/details/45027501

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