From 001f78c5f558542aca2c0f0a415e41b92ba0431a Mon Sep 17 00:00:00 2001 From: iProbe Date: Sun, 23 Apr 2023 17:51:05 +0800 Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20'=E6=95=B0=E6=8D=AE?= =?UTF-8?q?=E5=BA=93/mongodb/mongo=E5=8D=95=E6=9C=BA=E6=89=A9=E5=B1=95?= =?UTF-8?q?=E4=B8=BA=E9=9B=86=E7=BE=A4.md'?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 数据库/mongodb/mongo单机扩展为集群.md | 256 ++++++++++++++++++++++++++ 1 file changed, 256 insertions(+) diff --git a/数据库/mongodb/mongo单机扩展为集群.md b/数据库/mongodb/mongo单机扩展为集群.md index e69de29..d5f495d 100644 --- a/数据库/mongodb/mongo单机扩展为集群.md +++ b/数据库/mongodb/mongo单机扩展为集群.md @@ -0,0 +1,256 @@ +* 注意：生产中一定要备份好数据，防止扩容过程中操作失误，导致数据丢失 * +## 单节点配置信息 +```txt +# 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 + dbPath: /DATAQIKU/mongodata + 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 + timeZoneInfo: /usr/share/zoneinfo + +# network interfaces +net: + port: 27017 +# bindIp: 127.0.0.1 # Enter 0.0.0.0,:: to bind to all IPv4 and IPv6 addresses or, alternatively, use the net.bindIpAll setting. + bindIp: 10.100.21.89 + +security: + authorization: enabled + +#operationProfiling: + +# replication: + +#sharding: + +## Enterprise-Only Options + +#auditLog: + +#snmp: +``` +## 修改配置文件 +```txt +# 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 + dbPath: /DATAQIKU/mongodata + 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 + timeZoneInfo: /usr/share/zoneinfo + +# network interfaces +net: + port: 27017 +# bindIp: 127.0.0.1 # Enter 0.0.0.0,:: to bind to all IPv4 and IPv6 addresses or, alternatively, use the net.bindIpAll setting. + bindIp: 10.100.21.89 + +# 暂时注释安全配置 +#security: +# authorization: enabled + +#operationProfiling: + +# 副本配置，增加如下配置项 +replication: + oplogSizeMB: 4096 + replSetName: rs0 + +#sharding: + +## Enterprise-Only Options + +#auditLog: + +#snmp: +``` +## 备机配置 + 安装与主机版本一致的mongo。 +### 备机1 +配置文件如下： +```txt +# 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: /data/mongo-1/mongod.log + +# Where and how to store data. +storage: + dbPath: /data/mongo-1/data + journal: + enabled: true +# engine: +# wiredTiger: + +# how the process runs +processManagement: + fork: true # fork and run in background + pidFilePath: /data/mongo-1/mongod.pid # location of pidfile + timeZoneInfo: /usr/share/zoneinfo + +# network interfaces +net: + port: 27018 + bindIp: 0.0.0.0 # Enter 0.0.0.0,:: to bind to all IPv4 and IPv6 addresses or, alternatively, use the net.bindIpAll setting. + + +security: + keyFile: /data/mongo.keyfile + authorization: enabled + +#operationProfiling: + +replication: + oplogSizeMB: 4096 + replSetName: rs0 + +#sharding: + +## Enterprise-Only Options + +#auditLog: + +#snmp: +``` +### 备机2 +配置文件如下： +```txt +# 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: /data/mongo-2/mongod.log + +# Where and how to store data. +storage: + dbPath: /data/mongo-2/data + journal: + enabled: true +# engine: +# wiredTiger: + +# how the process runs +processManagement: + fork: true # fork and run in background + pidFilePath: /data/mongo-2/mongod.pid # location of pidfile + timeZoneInfo: /usr/share/zoneinfo + +# network interfaces +net: + port: 27019 + bindIp: 0.0.0.0 # Enter 0.0.0.0,:: to bind to all IPv4 and IPv6 addresses or, alternatively, use the net.bindIpAll setting. + + +#security: +# authorization: enabled + +#operationProfiling: + +replication: + oplogSizeMB: 4096 + replSetName: rs0 + +#sharding: + +## Enterprise-Only Options + +#auditLog: + +#snmp: +``` +## 启动mongo +```txt +mongod -f /etc/mongod.conf +``` +## 初始化副本 +### 登录mongo + 三节点之一 +```shell +# 以原节点为例 +mongo --host 10.100.21.89 +``` +### 初始化rs +```shell +# 切换到admin +use admin +# 节点配置 +conf={"_id":"rs0","members":[{"_id":0,"host":"10.100.21.89:27017"},{"_id":1,"host": "10.100.21.43:27018"},{"_id":2,"host": "10.100.21.44:27019"}]} +# 初始化 +rs.initiate(conf) +# 查看集群状态 +rs.status() +# 查看延时从库信息 +rs.printSlaveReplicationInfo() +# 查看集群与主节点 +rs.isMaster() +``` +## 集群开启认证 +### 创建超级管理用户 + 需要在主节点创建一个超级管理用户，若已创建，可以忽略 +```shell +# 假设已登录主节点 +use admin +db.createUser({user: "admin",pwd: "mDBAmgdb@",roles:[ { role: "root", db:"admin"}]}) +``` +### 创建keyfil文件 + keyfile文件复制到三个节点上 +```shell +$ openssl rand -base64 90 -out /data/mongo.keyfile +``` +## 修改如下配置 +```txt +security: + keyFile: /data/mongo.keyfile + authorization: enabled +``` +## 重启各节点mongo \ No newline at end of file