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博客园 - James.H.Fu

PMS-授权中心 如何从现有版本1.4.8升级到element UI2.0.11 Maven私有仓库: 发布release版本报错:Return code is: 400, ReasonPhrase: Repository does not allow upd ating assets: maven-releases. spring boot + dubbo开发遇到过的异常 java,javascript中的url编码 SpringBoot favicon.ico SpringBoot 异常处理 spring boot 跨域请求 在centos 7上安装BIMServer maven 单独构建多模块项目中的单个模块 spring-boot dubbo项目使用docker方式部署 Spring Boot和Dubbo整合 springboot 定制错误页面 Maven私有仓库-使用docker部署Nexus - James.H.Fu - 博客园 centos7 sentry部署指南 静态文件服务器部署指南 开始使用ansible 2016项目开发经验总结及后续计划 - James.H.Fu - 博客园 2016工作总结
MongoDB 安装及副本集简单操作
James.H.Fu · 2017-09-07 · via 博客园 - James.H.Fu

安装MongoDB 3.4

# 查看现有yum源
[root@localhost ~]# ll /etc/yum.repos.d/
total 36
-rw-r--r--. 1 root root 1664 Nov 30  2016 CentOS-Base.repo
-rw-r--r--. 1 root root 1309 Nov 30  2016 CentOS-CR.repo
-rw-r--r--. 1 root root  649 Nov 30  2016 CentOS-Debuginfo.repo
-rw-r--r--. 1 root root  314 Nov 30  2016 CentOS-fasttrack.repo
-rw-r--r--. 1 root root  630 Nov 30  2016 CentOS-Media.repo
-rw-r--r--. 1 root root 1331 Nov 30  2016 CentOS-Sources.repo
-rw-r--r--. 1 root root 2893 Nov 30  2016 CentOS-Vault.repo
-rw-r--r--. 1 root root 1802 Jul 12 07:24 docker-ce.repo
-rw-r--r--. 1 root root  156 Jul 12 07:28 docker.repo
# 创建yum源mongodb-org-3.4
[root@localhost ~]# vim /etc/yum.repos.d/mongodb-org-3.4.repo

[mongodb-org-3.4]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.4/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-3.4.asc

# 安装mongodb-org
[root@localhost ~]# sudo yum install -y mongodb-org
# 设置开机启动
[root@localhost ~]# sudo chkconfig mongod on
# 启动mongod
[root@localhost ~]# sudo service mongod start

centos 7建议使用systemctl来启动

[root@localhost ~]# systemctl enable mongod.service
[root@localhost ~]# systemctl start mongod.service
[root@localhost ~]# mongo --host 127.0.0.1 --port 27017

集群搭建

  1. 硬件资源,准备两台服务器,在每台机器上配置/etc/hosts
[root@localhost ~]# vim /etc/hosts
192.168.41.128 mongodb0.lovefly.com 
192.168.41.129 mongodb1.lovefly.com 
192.168.41.130 mongodb2.lovefly.com
  1. 在每台机器上配置/etc/mongod.conf
vim /etc/mongod.conf

# 将bindIp注释掉,允许绑定到机器上的所有网卡IP
# network interfaces
net:
  port: 27017
  #bindIp: 127.0.0.1  # Listen to local interface only, comment to listen on all interfaces.
  
# 增加replication相关配置项,同一个集群中的replSetName必须相同
#replication:
replication:
   oplogSizeMB: 100
   replSetName: lovefly-pms
  1. 在第一台服务上执行replica set initiate, 它将会成为Primary
[root@localhost ~]# mongo
[root@localhost ~]# rs.conf()
[root@localhost ~]# rs.initiate()
[root@localhost ~]# rs.conf()
[root@localhost ~]# rs.add("mongodb1.lovefly.com:27017")
[root@localhost ~]# rs.conf()
  1. 在其它服务器上查看replica set conf, 它们是Secondary
[root@localhost ~]# rs.conf()

其它备注

# 后面的服务器上可以通过scp命令拷贝一些配置文件等等
scp root@192.168.41.128:/etc/yum.repos.d/mongodb-org-3.4.repo /etc/yum.repos.d/

参考文档