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【参赛作品1】MogDB/openGauss 手动部署\(非OM工具\)单机，主备，主备级联架构

2年前 (2022) 程序员胖胖胖虎阿
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一、前期准备

  1. 关闭防火墙，selinux

    systemctl disable firewalld.service 
systemctl stop firewalld.service 
setenforce=0 
sed -i '/^SELINUX=/c'SELINUX=disabled /etc/selinux/config

  2. 安装依赖包

    yum install libaio-devel -y

  3. 创建相关目录，用户，组

    groupadd dbgrp -g 2000 
useradd omm -g 2000 
-u 2000 echo "Enmo@123" | passwd --stdin omm 
mkdir -p /opt/mogdb/software 
chown -R omm:dbgrp /opt/

  4. 上传并解压二进制文件

    [root@mogdb-kernel-0001 software]# pwd 
/opt/mogdb/software 
[root@mogdb-kernel-0001 software]# ls -lrt 
total 90236 
-r-------- 1 root root 92401412 Jun 13 06:14 MogDB-2.0.0-openEuler-64bit.tar.bz2 
chown omm:dbgrp MogDB-2.0.0-openEuler-64bit.tar.bz2  
su - omm 
cd /opt/mogdb/software/ 
tar -xf MogDB-2.0.0-openEuler-64bit.tar.bz2

二、初始化数据库（单机）

  1. 配置环境变量

    echo "export GAUSSHOME=/opt/mogdb/software"  >> /home/omm/.bashrc && 
\ echo "export PATH=\$GAUSSHOME/bin:\$PATH " >> /home/omm/.bashrc && 
\ echo "export LD_LIBRARY_PATH=\$GAUSSHOME/lib:\$LD_LIBRARY_PATH" >> /home/omm/.bashrc 
source /home/omm/.bashrc

  2. init数据库

    bin/gs_initdb --pgdata=/opt/mogdb/data --nodename=primary --pwpasswd=Enmo@123 --encoding=UTF-8 --locale=en_US.UTF-8

  3. 修改初始化参数

    echo "port=26000" >> /opt/mogdb/data/postgresql.conf 
echo "listen_addresses = '0.0.0.0'" >> /opt/mogdb/data/postgresql.conf 
echo "password_encryption_type = 0" >> /opt/mogdb/data/postgresql.conf 
echo "log_directory = 'pg_log'" >> /opt/mogdb/data/postgresql.conf 
echo "remote_read_mode=non_authentication" >> /opt/mogdb/data/postgresql.conf 
echo "host all all 0.0.0.0/0 md5" >> /opt/mogdb/data/pg_hba.conf

  4. 启动数据库

    gs_ctl start -D /opt/mogdb/data

至此单机安装完成

三、主备安装

  1. 主库操作

    • 配置连接通道

      echo "replconninfo1='localhost=172.16.0.106 localport=26001 localheartbeatport=26005 localservice=26004 remotehost=172.16.0.245 remoteport=26001 remoteheartbeatport=26005 remoteservice=26004'	 " >> /opt/mogdb/data/postgresql.conf

    localhost为主库IP,remotehost为备库IP

    • 将主库以primary方式启动

      gs_ctl restart -D /opt/mogdb/data/ -M primary

  2. 备库操作

    • 前期准备工作如上（一）

    • 配置环境变量

      echo "export GAUSSHOME=/opt/mogdb/software"  >> /home/omm/.bashrc && \ 
echo "export PATH=\$GAUSSHOME/bin:\$PATH " >> /home/omm/.bashrc && \ 
echo "export LD_LIBRARY_PATH=\$GAUSSHOME/lib:\$LD_LIBRARY_PATH" >> /home/omm/.bashrc 
source /home/omm/.bashrc 
- 将主库的配置文件传到备库 
scp /opt/mogdb/data/pg_hba.conf /opt/mogdb/data/postgresql.conf 172.16.0.245:/opt/mogdb/data/

    • 配置连接通道,将localhost和remotehost对调

      .sed -i “/^replconninfo1/creplconninfo1=‘localhost=172.16.0.245 localport=26001 localheartbeatport=26005 localservice=26004 remotehost=172.16.0.106 remoteport=26001 remoteheartbeatport=26005 remoteservice=26004’” /opt/mogdb/data/postgresql.conf

    localhost为备库IP,remotehost为主库IP

    • 构建主备关系

      gs_ctl build -D /opt/mogdb/data/ -b full -M standby

    • 查询主备状态

      • 主库

        [omm@mogdb-kernel-0001 data]$ gs_ctl query -D /opt/mogdb/data/    
[2021-06-13 07:51:41.119][159054][][gs_ctl]: gs_ctl query ,datadir is /opt/mogdb/data 
 HA state:           
        local_role                     : Primary
        static_connections             : 1
        db_state                       : Normal
        detail_information             : Normal

 Senders info:       
        sender_pid                     : 159041
        local_role                     : Primary
        peer_role                      : Standby
        peer_state                     : Normal
        state                          : Streaming
        sender_sent_location           : 0/14000258
        sender_write_location          : 0/14000258
        sender_flush_location          : 0/14000258
        sender_replay_location         : 0/14000258
        receiver_received_location     : 0/14000258
        receiver_write_location        : 0/14000258
        receiver_flush_location        : 0/14000258
        receiver_replay_location       : 0/14000258
        sync_percent                   : 100%
        sync_state                     : Sync
        sync_priority                  : 1
        sync_most_available            : Off
        channel                        : 172.16.0.106:26001-->172.16.0.245:60856

 Receiver info:      
No information

      • 备库

        [omm@mogdb-kernel-0002 data]$ gs_ctl query -D /opt/mogdb/data/                  
[2021-06-13 07:51:32.743][123204][][gs_ctl]: gs_ctl query ,datadir is /opt/mogdb/data 
 HA state:           
        local_role                     : Standby
        static_connections             : 1
        db_state                       : Normal
        detail_information             : Normal

 Senders info:       
No information 
 Receiver info:      
        receiver_pid                   : 123194
        local_role                     : Standby
        peer_role                      : Primary
        peer_state                     : Normal
        state                          : Normal
        sender_sent_location           : 0/14000140
        sender_write_location          : 0/14000140
        sender_flush_location          : 0/14000140
        sender_replay_location         : 0/14000140
        receiver_received_location     : 0/14000140
        receiver_write_location        : 0/14000140
        receiver_flush_location        : 0/14000140
        receiver_replay_location       : 0/14000140
        sync_percent                   : 100%
        channel                        : 172.16.0.245:60856<--172.16.0.106:26001

至此主备已安装完成

四、主备级联安装

  1. 主备安装如上(一，二，三)

  2. 添加复制通道

    • 主库操作

      gsql -d postgres -p26000 -c “alter system set replconninfo2 to ‘localhost=172.16.0.106 localport=26001 localheartbeatport=26005 localservice=26004 remotehost=172.16.0.127 remoteport=26001 remoteheartbeatport=26005 remoteservice=26004 iscascade=true’;”

    • 备库操作

      gsql -d postgres -p26000 -c “alter system set replconninfo2 to ‘localhost=172.16.0.245 localport=26001 localheartbeatport=26005 localservice=26004 remotehost=172.16.0.127 remoteport=26001 remoteheartbeatport=26005 remoteservice=26004 iscascade=true’;”

  3. 级联库操作

    • 前期准备工作如上（一）

    • 配置环境变量

      echo "export GAUSSHOME=/opt/mogdb/software"  >> /home/omm/.bashrc && \
echo "export PATH=\$GAUSSHOME/bin:\$PATH " >> /home/omm/.bashrc && \
echo "export LD_LIBRARY_PATH=\$GAUSSHOME/lib:\$LD_LIBRARY_PATH" >> /home/omm/.bashrc
source /home/omm/.bashrc

    • 将备库的配置文件传到备库

      scp /opt/mogdb/data/pg_hba.conf /opt/mogdb/data/postgresql.conf 172.16.0.245:/opt/mogdb/data/

    • 配置连接通道

      sed -i "/^replconninfo1/creplconninfo1='localhost=172.16.0.127 localport=26001 localheartbeatport=26005 localservice=26004 remotehost=172.16.0.106 remoteport=26001 remoteheartbeatport=26005 remoteservice=26004'" /opt/mogdb/data/postgresql.conf 
sed -i "/replconninfo2/creplconninfo2='localhost=172.16.0.127 localport=26001 localheartbeatport=26005 localservice=26004 remotehost=172.16.0.245 remoteport=26001 remoteheartbeatport=26005 remoteservice=26004'" /opt/mogdb/data/postgresql.conf

    localhost为级联IP，remotehost为主库IP和备库IP。

    • 构建主备关系

      gs_ctl build -D /opt/mogdb/data/ -b full -M cascade_standby

  4. 查看主备级联状态

    • 主库
    [omm@mogdb-kernel-0001 ~]$ gs_ctl query -D /opt/mogdb/data
[2021-06-13 08:37:03.281][207069][][gs_ctl]: gs_ctl query ,datadir is /opt/mogdb/data 
 HA state:           
        local_role                     : Primary
        static_connections             : 2
        db_state                       : Normal
        detail_information             : Normal

 Senders info:       
        sender_pid                     : 206143
        local_role                     : Primary
        peer_role                      : Standby
        peer_state                     : Normal
        state                          : Streaming
        sender_sent_location           : 0/1A000140
        sender_write_location          : 0/1A000140
        sender_flush_location          : 0/1A000140
        sender_replay_location         : 0/1A000140
        receiver_received_location     : 0/1A000140
        receiver_write_location        : 0/1A000140
        receiver_flush_location        : 0/1A000140
        receiver_replay_location       : 0/1A000140
        sync_percent                   : 100%
        sync_state                     : Sync
        sync_priority                  : 1
        sync_most_available            : Off
        channel                        : 172.16.0.106:26001-->172.16.0.245:34586

 Receiver info:      
No information
    • 备库
     [omm@mogdb-kernel-0002 ~]$ gs_ctl query -D /opt/mogdb/data
[2021-06-13 08:37:09.128][147065][][gs_ctl]: gs_ctl query ,datadir is /opt/mogdb/data 
 HA state:           
        local_role                     : Standby
        static_connections             : 2
        db_state                       : Normal
        detail_information             : Normal

 Senders info:       
        sender_pid                     : 147043
        local_role                     : Standby
        peer_role                      : Cascade Standby
        peer_state                     : Normal
        state                          : Streaming
        sender_sent_location           : 0/1A000140
        sender_write_location          : 0/1A000140
        sender_flush_location          : 0/1A000140
        sender_replay_location         : 0/1A000140
        receiver_received_location     : 0/1A000140
        receiver_write_location        : 0/1A000140
        receiver_flush_location        : 0/1A000140
        receiver_replay_location       : 0/1A000140
        sync_percent                   : 100%
        sync_state                     : Async
        sync_priority                  : 0
        sync_most_available            : Off
        channel                        : 172.16.0.245:26001-->172.16.0.127:49110

 Receiver info:      
        receiver_pid                   : 146771
        local_role                     : Standby
        peer_role                      : Primary
        peer_state                     : Normal
        state                          : Normal
        sender_sent_location           : 0/1A000140
        sender_write_location          : 0/1A000140
        sender_flush_location          : 0/1A000140
        sender_replay_location         : 0/1A000140
        receiver_received_location     : 0/1A000140
        receiver_write_location        : 0/1A000140
        receiver_flush_location        : 0/1A000140
        receiver_replay_location       : 0/1A000140
        sync_percent                   : 100%
        channel                        : 172.16.0.245:34586<--172.16.0.106:26001
    • 级联库
    [omm@mogdb-kernel-0003 data]$ gs_ctl query -D /opt/mogdb/data
[2021-06-13 08:36:56.223][273241][][gs_ctl]: gs_ctl query ,datadir is /opt/mogdb/data 
 HA state:           
        local_role                     : Cascade Standby
        static_connections             : 2
        db_state                       : Normal
        detail_information             : Normal

 Senders info:       
No information 
 Receiver info:      
        receiver_pid                   : 273237
        local_role                     : Cascade Standby
        peer_role                      : Standby
        peer_state                     : Normal
        state                          : Normal
        sender_sent_location           : 0/1A000140
        sender_write_location          : 0/1A000140
        sender_flush_location          : 0/1A000140
        sender_replay_location         : 0/1A000140
        receiver_received_location     : 0/1A000140
        receiver_write_location        : 0/1A000140
        receiver_flush_location        : 0/1A000140
        receiver_replay_location       : 0/1A000140
        sync_percent                   : 100%
        channel                        : 172.16.0.127:49110<--172.16.0.245:26001

    至此主备级联安装完成

【参赛作品1】MogDB/openGauss 手动部署\(非OM工具\)单机，主备，主备级联架构

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版权声明：程序员胖胖胖虎阿 发表于 2022年9月18日 下午8:48。
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