Mogodb Replica Cluster

First, the environment

centos6.5

node1:172.30.31.114

node2:172.30.31.115

node3:172.30.31.108

NODE4:172.30.31.109 arbitration Point

Second, installation

Four nodes are required to perform a

1. Install the Package

#yum install-y MongoDB Mongodb-server

#echo "This is key file" >/home/keyfile

#chown Mongodb/home/keyfile

#chmod 600/home/keyfile

#vim/etc/mongodb.conf

Port = 27017

Fork = True

Pidfilepath =/var/run/mongodb/mongodb.pid

LogPath =/var/log/mongodb/mongodb.log

DBPath =/var/lib/mongodb

Journal = True

Logappend = True

Replset = Mongotest

KeyFile =/home/keyfile

Auth = True

Oplogsize = 10000

#/etc/init.d/mongod start

#chkconfig Mongod on

Iii. Creating a replication set

Execute on 1node1

#mongo Admin

>db.runcommand ({"replsetinitiate": {"_id": "Mongotest", "members": [

{"_id": 1, "host": 172.30.31.114 "},

{"_id": 2, "host": 172.30.31.115 "},

{"_id": 3, "host": 172.30.31.108 "}

]}})

>{"info": "Config now saved locally. Should come online in about a minute. "," OK ": 1}

>exit

#mongo Admin

Mongotest:primary>use Admin

Mongotest:primary>db.adduser ("root", "MongoDB")

Create a management account, at which point the NODE2,NODE3 Use this account password. Even if the management account used by NODE2,NODE3 is different, it will be overwritten for this

Iv. Adding the quorum node

1 executing on the master node

Mongotest:primary>rs.addarb ("172.30.31.109:27017")

Mongotest:primary>rs.status () #查看集群状态

Note the secondary node does not have Read permission by default, and execution Rs.slaveok () can be turned on. The quorum node only participates in voting and does not participate in synchronizing the data.

This article is from the "Bremen Band" blog, declined reprint!

Mogodb Replica Cluster