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G024-db-gs-ins-01 openeuler deployment opengauss (single instance)

2022-07-25 01:25:00 【51CTO】

1 You need to understand

  • VMware Workstation edition ：16.2.0
  • OS edition ：openEuler-20.03-LTS-SP2, visit  openEuler Official website Download the operating system
  • DB edition ：OpenGauss 2.1.0 Enterprise Edition , visit  openGauss Official website Download the database , file name openGauss-2.1.0-openEuler-64bit-all.tar.gz
  • OpenEuler Virtual machines can be connected to the Internet , Easy to use online YUM Source （ Local can be configured without networking YUM Source ）
  • OpenEuler must Use English operating system （ Default ）, At present openGauss The installation package can only be installed on the English operating system
  • OpenEuler It is recommended to use 20.03 LTS Series version （python Version is 3.7.x）,openGauss stay openEuler Currently, only python 3.7.x edition , Other series of operating systems are not satisfied with python Version requirements , It can be configured manually , But it is not friendly to beginners
  • Please refer to the following  G015 Blog finished OpenEuler Operating system installation , Version series are different , But the steps are the same
  • For a better browsing experience , You can click on the top left of the article Catalog Button to display the overall directory structure of the article

2 System environment configuration

2.1 IP And the host name 

[[email protected] ~]# echo '192.168.200.174 cloudcsp' >> /etc/hosts
[[email protected] ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.200.174 cloudcsp

     
    
      
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2.2 Turn off firewall 

[[email protected] ~]# systemctl stop firewalld
[[email protected] ~]# systemctl disable firewalld
Removed /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
Removed /etc/systemd/system/multi-user.target.wants/firewalld.service.

     
    
      
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2.3 Set the character set and other environment variables 

[[email protected] ~]# vi /etc/profile

#  Add the following environment variables at the end 

export LANG=en_US.UTF-8
export packagePath=/opt/software/openGauss
export LD_LIBRARY_PATH=$packagePath/script/gspylib/clib:$LD_LIBRARY_PATH

#  Refresh the current environment variables 

[[email protected] ~]# source /etc/profile

     
    
      
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2.4 Cancel the memory limit parameter 

[[email protected] ~]# vi /etc/profile.d/performance.sh

#  Comment out the minimum memory limit parameter in the first line 

#sysctl -w vm.min_free_kbytes=112640 &> /dev/null
sysctl -w vm.dirty_ratio=60 &> /dev/null
sysctl -w kernel.sched_autogroup_enabled=0 &> /dev/null

     
    
      
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2.5 Replace python edition

The installation process will configure openGauss Users trust each other ,openEuler Need to use python 3.7.x Version command , But the default version is 2.7.x , So it needs to be replaced .

[[email protected] ~]# python -V
Python 2.7.18
[[email protected] ~]# ls -l /usr/bin/python*
lrwxrwxrwx. 1 root root     7 Jun 24  2021 /usr/bin/python -> python2
lrwxrwxrwx. 1 root root     9 Jun 24  2021 /usr/bin/python2 -> python2.7
-rwxr-xr-x. 1 root root 14376 Jun 24  2021 /usr/bin/python2.7
-rwxr-xr-x. 1 root root  1846 Jun 24  2021 /usr/bin/python2.7-config
-rwxr-xr-x. 1 root root 14384 Jun 24  2021 /usr/bin/python2.7-debug
-rwxr-xr-x. 1 root root  1852 Jun 24  2021 /usr/bin/python2.7-debug-config
lrwxrwxrwx. 1 root root    16 Jun 24  2021 /usr/bin/python2-config -> python2.7-config
lrwxrwxrwx. 1 root root    15 Jun 24  2021 /usr/bin/python2-debug -> python2.7-debug
lrwxrwxrwx. 1 root root    22 Jun 24  2021 /usr/bin/python2-debug-config -> python2.7-debug-config
lrwxrwxrwx. 1 root root     9 Jun 24  2021 /usr/bin/python3 -> python3.7
-rwxr-xr-x. 2 root root 14376 Jun 24  2021 /usr/bin/python3.7
-rwxr-xr-x. 2 root root 14376 Jun 24  2021 /usr/bin/python3.7m
lrwxrwxrwx. 1 root root    14 Jun 24  2021 /usr/bin/python-config -> python2-config
lrwxrwxrwx. 1 root root    13 Jun 24  2021 /usr/bin/python-debug -> python2-debug
lrwxrwxrwx. 1 root root    20 Jun 24  2021 /usr/bin/python-debug-config -> python2-debug-config

#  Replace  python  Soft chain file 

[[email protected] ~]# mv /usr/bin/python /usr/bin/python.bak
[[email protected] ~]# ln -s /usr/bin/python3 /usr/bin/python
[[email protected] ~]# ls -l /usr/bin/python*
lrwxrwxrwx  1 root root    16 Jul 19 14:13 /usr/bin/python -> /usr/bin/python3
lrwxrwxrwx. 1 root root     9 Jun 24  2021 /usr/bin/python2 -> python2.7
-rwxr-xr-x. 1 root root 14376 Jun 24  2021 /usr/bin/python2.7
-rwxr-xr-x. 1 root root  1846 Jun 24  2021 /usr/bin/python2.7-config
-rwxr-xr-x. 1 root root 14384 Jun 24  2021 /usr/bin/python2.7-debug
-rwxr-xr-x. 1 root root  1852 Jun 24  2021 /usr/bin/python2.7-debug-config
lrwxrwxrwx. 1 root root    16 Jun 24  2021 /usr/bin/python2-config -> python2.7-config
lrwxrwxrwx. 1 root root    15 Jun 24  2021 /usr/bin/python2-debug -> python2.7-debug
lrwxrwxrwx. 1 root root    22 Jun 24  2021 /usr/bin/python2-debug-config -> python2.7-debug-config
lrwxrwxrwx. 1 root root     9 Jun 24  2021 /usr/bin/python3 -> python3.7
-rwxr-xr-x. 2 root root 14376 Jun 24  2021 /usr/bin/python3.7
-rwxr-xr-x. 2 root root 14376 Jun 24  2021 /usr/bin/python3.7m
lrwxrwxrwx. 1 root root     7 Jun 24  2021 /usr/bin/python.bak -> python2
lrwxrwxrwx. 1 root root    14 Jun 24  2021 /usr/bin/python-config -> python2-config
lrwxrwxrwx. 1 root root    13 Jun 24  2021 /usr/bin/python-debug -> python2-debug
lrwxrwxrwx. 1 root root    20 Jun 24  2021 /usr/bin/python-debug-config -> python2-debug-config

[[email protected] ~]# python -V
Python 3.7.9

     
    
      
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2.6 Install related packages 

[[email protected] ~]# yum install -y libaio* \
tar \
vim \
net*

     
    
      
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3 install openGauss database

3.1 Upload and unzip the software 

[[email protected] ~]# mkdir -p /opt/software/openGauss

#  Upload software to this directory 

[[email protected] ~]# ls -l /opt/software/openGauss/
total 104948
-rw-r--r-- 1 root root 107466525 Mar 11 10:01 openGauss-2.1.0-openEuler-64bit-all.tar.gz

[[email protected] ~]# chmod 755 -R /opt/software
[[email protected] ~]# ls -l /opt/software/openGauss/
total 104948
-rwxr-xr-x 1 root root 107466525 Mar 11 10:01 openGauss-2.1.0-openEuler-64bit-all.tar.gz

[[email protected] ~]# cd /opt/software/openGauss/
[[email protected] openGauss]# tar -zxvf openGauss-2.1.0-openEuler-64bit-all.tar.gz 
openGauss-2.1.0-openEuler-64bit-om.tar.gz
openGauss-2.1.0-openEuler-64bit.tar.bz2
openGauss-2.1.0-openEuler-64bit-om.sha256
openGauss-2.1.0-openEuler-64bit.sha256
upgrade_sql.tar.gz
upgrade_sql.sha256

[[email protected] openGauss]# tar -zxvf openGauss-2.1.0-openEuler-64bit-om.tar.gz
[[email protected] openGauss]# ll
total 206M
drwx------ 14 root root 4.0K Sep 30  2021 lib
-rwxr-xr-x  1 root root 103M Mar 11 10:01 openGauss-2.1.0-openEuler-64bit-all.tar.gz
-rw-------  1 root root   65 Sep 30  2021 openGauss-2.1.0-openEuler-64bit-om.sha256
-rw-------  1 root root  19M Sep 30  2021 openGauss-2.1.0-openEuler-64bit-om.tar.gz
-rw-------  1 root root   65 Sep 30  2021 openGauss-2.1.0-openEuler-64bit.sha256
-rw-------  1 root root  85M Sep 30  2021 openGauss-2.1.0-openEuler-64bit.tar.bz2
drwx------  6 root root 4.0K Sep 30  2021 script
drwx------  2 root root 4.0K Sep 30  2021 simpleInstall
-rw-------  1 root root   65 Sep 30  2021 upgrade_sql.sha256
-rw-------  1 root root 221K Sep 30  2021 upgrade_sql.tar.gz
-rw-------  1 root root   32 Sep 30  2021 version.cfg

     
    
      
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3.2 establish XML file

Before installation, you need to create XML file , Contains the cluster name 、 Server name 、 The installation path 、IP And port number, etc , Used to inform openGauss How to install , The following is the single node configuration scheme . If the public cloud elastic ECS deployment is adopted , We need to pay attention to azName name , And the actual location of elastic ECS AZ bring into correspondence with ; Local virtualization deployment , Negligible .

[[email protected] openGauss]# vim clusterconfig.xml
[[email protected] openGauss]# cat clusterconfig.xml 
<?xml version="1.0" encoding="UTF-8"?>
<ROOT>
    <CLUSTER>
        <PARAM name="clusterName" value="dbCluster" />
        <PARAM name="nodeNames" value="cloudcsp" />
        <PARAM name="backIp1s" value="192.168.200.174"/>
        <PARAM name="gaussdbAppPath" value="/opt/gaussdb/app" />
        <PARAM name="gaussdbLogPath" value="/var/log/gaussdb" />
        <PARAM name="gaussdbToolPath" value="/opt/huawei/wisequery" />
        <PARAM name="corePath" value="/opt/opengauss/corefile"/>
        <PARAM name="clusterType" value="single-inst"/>
    </CLUSTER>

    <DEVICELIST>

        <DEVICE sn="1000001">
            <PARAM name="name" value="cloudcsp"/> 
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <PARAM name="backIp1" value="192.168.200.174"/>
            <PARAM name="sshIp1" value="192.168.200.174"/>

            <!--dbnode-->
            <PARAM name="dataNum" value="1"/>
            <PARAM name="dataPortBase" value="26000"/>
            <PARAM name="dataNode1" value="/gaussdb/data/db1"/>
        </DEVICE>
    </DEVICELIST>
</ROOT>

     
    
      
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3.3 establish omm Users and dbgrp Group

omm Users are operating system users , It's also the future openGauss Database administrator account ,dbgrp Is to run openGauss The group name of the operating system user .

[[email protected] openGauss]# python /opt/software/openGauss/script/gs_preinstall -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml

#  Output 

Parsing the configuration file.
Successfully parsed the configuration file.
Installing the tools on the local node.
Successfully installed the tools on the local node.
Setting pssh path
Successfully set core path.
Are you sure you want to create the user[omm] and create trust for it (yes/no)? yes
Please enter password for cluster user.
Password: 
Please enter password for cluster user again.
Password: 
Successfully created [omm] user on all nodes.
Preparing SSH service.
Successfully prepared SSH service.
Checking OS software.
Successfully check os software.
Checking OS version.
Successfully checked OS version.
Creating cluster's path. Successfully created cluster's path.
Set and check OS parameter.
Setting OS parameters.
Successfully set OS parameters.
Warning: Installation environment contains some warning messages.
Please get more details by "/opt/software/openGauss/script/gs_checkos -i A -h cloudcsp --detail".
Set and check OS parameter completed.
Preparing CRON service.
Successfully prepared CRON service.
Setting user environmental variables.
Successfully set user environmental variables.
Setting the dynamic link library.
Successfully set the dynamic link library.
Setting Core file
Successfully set core path.
Setting pssh path
Successfully set pssh path.
Setting Cgroup.
Successfully set Cgroup.
Set ARM Optimization.
No need to set ARM Optimization.
Fixing server package owner.
Setting finish flag.
Successfully set finish flag.
Preinstallation succeeded.

     
    
      
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3.4 Create database

set up script gs_install Must be omm perform , Otherwise, an error will be reported when executing the script .

[[email protected] openGauss]# chmod -R 755 /opt/software/openGauss/script/
[[email protected] openGauss]# su - omm
[[email protected] ~]$ cd /opt/software/openGauss/script/

#  Use  install  Tool configuration database 

gs_install -X /opt/software/openGauss/clusterconfig.xml \
--gsinit-parameter="--encoding=UTF8"  \
--dn-guc="max_process_memory=4GB"  \
--dn-guc="shared_buffers=256MB" \
--dn-guc="bulk_write_ring_size=256MB" \
--dn-guc="cstore_buffers=16MB"

#  Output 

Parsing the configuration file.
Check preinstall on every node.
Successfully checked preinstall on every node.
Creating the backup directory.
Successfully created the backup directory.
begin deploy..
Installing the cluster.
begin prepare Install Cluster..
Checking the installation environment on all nodes.
begin install Cluster..
Installing applications on all nodes.
Successfully installed APP.
begin init Instance..
encrypt cipher and rand files for database.
Please enter password for database:
Please repeat for database:
begin to create CA cert files
The sslcert will be generated in /opt/gaussdb/app/share/sslcert/om
Cluster installation is completed.
Configuring.
Deleting instances from all nodes.
Successfully deleted instances from all nodes.
Checking node configuration on all nodes.
Initializing instances on all nodes.
Updating instance configuration on all nodes.
Check consistence of memCheck and coresCheck on database nodes.
Configuring pg_hba on all nodes.
Configuration is completed.
Successfully started cluster.
Successfully installed application.
end deploy..

     
    
      
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3.5 Connect to database

  • View database instance information 
[[email protected] script]$ gs_om -t status --detail
[   Cluster State   ]

cluster_state   : Normal
redistributing  : No
current_az      : AZ_ALL

[  Datanode State   ]

    node    node_ip         port      instance                  state
-------------------------------------------------------------------------------------
1  cloudcsp 192.168.200.174 26000      6001 /gaussdb/data/db1   P Primary Normal

     
    
      
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  • adopt gsql Connect to database 
[[email protected] script]$ gsql -d postgres -p 26000 -r
gsql ((openGauss 2.1.0 build 590b0f8e) compiled at 2021-09-30 14:29:54 commit 0 last mr  )
Non-SSL connection (SSL connection is recommended when requiring high-security)
Type "help" for help.

openGauss=# \db
      List of tablespaces
    Name    | Owner | Location 
------------+-------+----------
 pg_default | omm   | 
 pg_global  | omm   | 
(2 rows)

openGauss=# \q

     
    
      
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  • END
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