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G026-db-gs-ins-03 openeuler deployment opengauss (1 active and 2 standby or multiple standby)

2022-07-24 15:41:00 【51CTO】

1 You need to understand

For the specific version of the database and operating system, please refer to the blog G024-DB-GS-INS-01 OpenEuler Deploy OpenGauss（ Single instance ）
Please finish ahead of time 3 platform openEuler install , use minimal Minimize installation , Please refer to the blog for details G015-OS-LIN-EULER-01 openEuler 21.03 Euler Linux install , The versions are different, but the installation process is the same
This article believes that you have the ability to build single instances , Otherwise, please refer to the following related articles G024 Complete single instance setup
This article adopts 1 Lord 2 To prepare （ total 3 node ） As a case study ,3 To prepare 4 Standby, etc. multiple standby Will give the corresponding XML Related configuration
Title with Primary and secondary nodes word , Indicates that this step needs to be done in Master node / To prepare 1 node / To prepare 2 node / To prepare n node Wait for node operation
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 Environmental planning

Host name	IP Address	role
cloudcsp	192.168.200.174	Primary Main library
cloudcss	192.168.200.175	Standby For the library 1
cloudcsc	192.168.200.176	Standby For the library 2
cloudcsx	192.168.200.xxx	Standby For the library n

3 System environment configuration

3.1 IP And the host name

#  The master node is added IP And the host name , And copy it to other standby nodes 

[[email protected] ~]# echo '192.168.200.174 cloudcsp' >> /etc/hosts
[[email protected] ~]# echo '192.168.200.175 cloudcss' >> /etc/hosts
[[email protected] ~]# echo '192.168.200.176 cloudcsc' >> /etc/hosts
[[email protected] ~]# cat /etc/hosts
0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
168.200.174 cloudcsp
168.200.175 cloudcss
168.200.176 cloudcsc

#  Copy other standby nodes 
[[email protected] ~]# scp /etc/hosts [email protected]:/etc/
The authenticity of host 'cloudcss (192.168.200.175)' can't be established. ECDSA key fingerprint is SHA256:FVfPVwBVqMPXZtdNP+IQ3QATCntfOkHn1Yhc0CK6VkI. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes Warning: Permanently added 'cloudcss,192.168.200.175' (ECDSA) to the list of known hosts. Authorized users only. All activities may be monitored and reported. [email protected]'s password: 
hosts                                                                                           100%  233   226.9KB/s   00:00    
[[email protected] ~]# scp /etc/hosts [email protected]:/etc/
The authenticity of host 'cloudcsc (192.168.200.176)' can't be established. ECDSA key fingerprint is SHA256:LL/MPSQ+nmW8Sa000D+EzfBt0asc+68YOdUBBzG+ZDk. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes Warning: Permanently added 'cloudcsc,192.168.200.176' (ECDSA) to the list of known hosts. Authorized users only. All activities may be monitored and reported. [email protected]'s password: 
hosts                                                                                           100%  233   270.8KB/s   00:00

































3.2 Turn off firewall （ Primary and secondary nodes ）

#  Master node 
[[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.

#  To prepare 1 node 
[[email protected] ~]# systemctl stop firewalld
[[email protected] ~]# systemctl disable firewalld
Removed /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.

#  To prepare 2 node 
[[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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3.3 Set the character set and other environment variables （ Primary and secondary nodes ）

Add the following at the end of the environment variables file 3 Line parameters

#  Master node 
[[email protected] ~]# vi /etc/profile
[[email protected] ~]# cat /etc/profile |grep export |tail -n 3
export LANG=en_US.UTF-8
export packagePath=/opt/software/openGauss
export LD_LIBRARY_PATH=$packagePath/script/gspylib/clib:$LD_LIBRARY_PATH

#  To prepare 1 node 
[[email protected] ~]# vi /etc/profile
[[email protected] ~]# cat /etc/profile |grep export |tail -n 3
export LANG=en_US.UTF-8
export packagePath=/opt/software/openGauss
export LD_LIBRARY_PATH=$packagePath/script/gspylib/clib:$LD_LIBRARY_PATH

#  To prepare 2 node 
[[email protected] ~]# cat /etc/profile |grep export |tail -n 3
export LANG=en_US.UTF-8
export packagePath=/opt/software/openGauss
export LD_LIBRARY_PATH=$packagePath/script/gspylib/clib:$LD_LIBRARY_PATH

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3.4 Cancel the memory limit parameter （ Primary and secondary nodes ）

#  Master node 
[[email protected] ~]# vi /etc/profile.d/performance.sh
[[email protected] ~]# cat /etc/profile.d/performance.sh
#sysctl -w vm.min_free_kbytes=112640 &> /dev/null

#  To prepare 1 node 
[[email protected] ~]# vi /etc/profile.d/performance.sh
[[email protected] ~]# cat /etc/profile.d/performance.sh
#sysctl -w vm.min_free_kbytes=112640 &> /dev/null

#  To prepare 2 node 
[[email protected] ~]# vi /etc/profile.d/performance.sh
[[email protected] ~]# cat /etc/profile.d/performance.sh
#sysctl -w vm.min_free_kbytes=112640 &> /dev/null

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3.5 Replace python edition （ Primary and secondary nodes ）

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 .

#  Master node 
[[email protected] ~]# python -V
Python 2.7.18
[[email protected] ~]# mv /usr/bin/python /usr/bin/python.bak
[[email protected] ~]# ln -s /usr/bin/python3 /usr/bin/python
[[email protected] ~]# python -V
Python 3.7.9

#  To prepare 1 node 
[[email protected] ~]# python -V
Python 2.7.18
[[email protected] ~]# mv /usr/bin/python /usr/bin/python.bak
[[email protected] ~]# ln -s /usr/bin/python3 /usr/bin/python
[[email protected] ~]# python -V
Python 3.7.9

#  To prepare 2 node 
[[email protected] ~]# python -V
Python 2.7.18
[[email protected] ~]# mv /usr/bin/python /usr/bin/python.bak
[[email protected] ~]# ln -s /usr/bin/python3 /usr/bin/python
[[email protected] ~]# python -V
Python 3.7.9

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3.6 Install related packages （ Primary and secondary nodes ）

#  Master node 
yum install -y libaio* \
tar \
vim \
net*

#  To prepare 1 node 
yum install -y libaio* \
tar \
vim \
net*

#  To prepare 2 node 
yum install -y libaio* \
tar \
vim \
net*

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4 install openGauss database

4.1 Upload and unzip the software

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

#  Upload software to this directory 

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

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4.2 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 , This article 1 Lord 2 To prepare Take the configuration scheme as an example , meanwhile , take 1 Lord 3 To prepare 、1 Lord 4 To prepare Configure to record , For reference , Centralized deployment supports up to 8 To prepare

4.2.1 1 Lord 2 Standby configuration

#  establish  XML  file , And write the configuration content  XML  file 
[[email protected] openGauss]# vim clusterconfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<ROOT>
    <CLUSTER>
        <PARAM name="clusterName" value="ClusterPSS" />
        <PARAM name="nodeNames" value="cloudcsp,cloudcss,cloudcsc" />
        <PARAM name="gaussdbAppPath" value="/opt/huawei/install/app" />
        <PARAM name="gaussdbLogPath" value="/var/log/omm" />
        <PARAM name="tmpMppdbPath" value="/opt/huawei/tmp"/>
        <PARAM name="gaussdbToolPath" value="/opt/huawei/install/om" />
        <PARAM name="corePath" value="/opt/huawei/corefile"/>
        <PARAM name="backIp1s" value="192.168.200.174,192.168.200.175,192.168.200.176"/>
    </CLUSTER>
    <DEVICELIST>
        <DEVICE sn="cloudcsp">
            <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"/>
	    <!--dn-->
        <PARAM name="dataNum" value="1"/>
	    <PARAM name="dataPortBase" value="26000"/>
	    <PARAM name="dataNode1" value="/opt/huawei/install/data/dnp,cloudcss,/opt/huawei/install/data/dns1,cloudcsc,/opt/huawei/install/data/dns2"/>
        <PARAM name="dataNode1_syncNum" value="0"/>
        </DEVICE>
        <DEVICE sn="cloudcss">
            <PARAM name="name" value="cloudcss"/>
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <PARAM name="backIp1" value="192.168.200.175"/>
            <PARAM name="sshIp1" value="192.168.200.175"/>
	</DEVICE>
        <DEVICE sn="cloudcsc">
            <PARAM name="name" value="cloudcsc"/>
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <PARAM name="backIp1" value="192.168.200.176"/>
            <PARAM name="sshIp1" value="192.168.200.176"/>
	</DEVICE>
    </DEVICELIST>
</ROOT>

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4.2.2 1 Lord 3 Standby configuration

<?xml version="1.0" encoding="UTF-8"?>
<ROOT>
    <!-- openGauss Overall information  -->
    <CLUSTER>
        <!--  Database name  -->
        <PARAM name="clusterName" value="Cluster_template" />
        <!--  Database node name (hostname) -->
        <PARAM name="nodeNames" value="node1_hostname,node2_hostname,node3_hostname,node4_hostname" />
        <!--  Database installation directory -->
        <PARAM name="gaussdbAppPath" value="/opt/huawei/install/app" />
        <!--  Log directory -->
        <PARAM name="gaussdbLogPath" value="/var/log/omm" />
        <!--  Temporary file directory -->
        <PARAM name="tmpMppdbPath" value="/opt/huawei/tmp"/>
        <!--  Database tool catalog -->
        <PARAM name="gaussdbToolPath" value="/opt/huawei/install/om" />
        <!--  database core File directory -->
        <PARAM name="corePath" value="/opt/huawei/corefile"/>
        <!--  node IP, It corresponds to the list of database node names one by one  -->
        <PARAM name="backIp1s" value="192.168.0.1,192.168.0.2,192.168.0.3,192.168.0.4"/>    
    </CLUSTER>
    <!--  Node deployment information on each server  -->
    <DEVICELIST>
        <!--  node 1 Node deployment information on  -->
        <DEVICE sn="node1_hostname">
            <!--  node 1 The host name of  -->
            <PARAM name="name" value="node1_hostname"/>
            <!--  node 1 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 1 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.1"/>
            <PARAM name="sshIp1" value="192.168.0.1"/>
            
	    <!--dn-->
            <PARAM name="dataNum" value="1"/>
	    <PARAM name="dataPortBase" value="26000"/>
	    <PARAM name="dataNode1" value="/opt/huawei/install/data/dn,node2_hostname,/opt/huawei/install/data/dn,node3_hostname,/opt/huawei/install/data/dn,node4_hostname,/opt/huawei/install/data/dn"/>
            <PARAM name="dataNode1_syncNum" value="0"/>
        </DEVICE>

        <!--  node 2 Deployment information on  -->
        <DEVICE sn="node2_hostname">
            <!--  node 2 The host name of  -->
            <PARAM name="name" value="node2_hostname"/>
            <!--  node 2 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 2 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.2"/>
            <PARAM name="sshIp1" value="192.168.0.2"/>
	</DEVICE>

        <!--  node 3 Deployment information on  -->
        <DEVICE sn="node3_hostname">
            <!--  node 3 The host name of  -->
            <PARAM name="name" value="node3_hostname"/>
            <!--  node 3 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 3 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.3"/>
            <PARAM name="sshIp1" value="192.168.0.3"/>
	</DEVICE>

        <!--  node 4 Deployment information on  -->
        <DEVICE sn="node4_hostname">
            <!--  node 4 The host name of  -->
            <PARAM name="name" value="node4_hostname"/>
            <!--  node 4 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 4 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.4"/>
            <PARAM name="sshIp1" value="192.168.0.4"/>
	</DEVICE>
    </DEVICELIST>
</ROOT>

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4.2.3 1 Lord 4 Standby configuration

<?xml version="1.0" encoding="UTF-8"?>
<ROOT>
    <!-- openGauss Overall information  -->
    <CLUSTER>
        <!--  Database name  -->
        <PARAM name="clusterName" value="Cluster_template" />
        <!--  Database node name (hostname) -->
        <PARAM name="nodeNames" value="node1_hostname,node2_hostname,node3_hostname,node4_hostname,node5_hostname" />
        <!--  Database installation directory -->
        <PARAM name="gaussdbAppPath" value="/opt/huawei/install/app" />
        <!--  Log directory -->
        <PARAM name="gaussdbLogPath" value="/var/log/omm" />
        <!--  Temporary file directory -->
        <PARAM name="tmpMppdbPath" value="/opt/huawei/tmp"/>
        <!--  Database tool catalog -->
        <PARAM name="gaussdbToolPath" value="/opt/huawei/install/om" />
        <!--  database core File directory -->
        <PARAM name="corePath" value="/opt/huawei/corefile"/>
        <!--  node IP, It corresponds to the list of database node names one by one  -->
        <PARAM name="backIp1s" value="192.168.0.1,192.168.0.2,192.168.0.3,192.168.0.4,192.168.0.5"/>      
    </CLUSTER>
    <!--  Node deployment information on each server  -->
    <DEVICELIST>
        <!--  node 1 Node deployment information on  -->
        <DEVICE sn="node1_hostname">
            <!--  node 1 The host name of  -->
            <PARAM name="name" value="node1_hostname"/>
            <!--  node 1 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 1 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.1"/>
            <PARAM name="sshIp1" value="192.168.0.1"/>
            
	    <!--dn-->
            <PARAM name="dataNum" value="1"/>
	    <PARAM name="dataPortBase" value="15400"/>
	    <PARAM name="dataNode1" value="/opt/huawei/install/data/dn,node2_hostname,/opt/huawei/install/data/dn,node3_hostname,/opt/huawei/install/data/dn,node4_hostname,/opt/huawei/install/data/dn,node5_hostname,/opt/huawei/install/data/dn"/>
            <PARAM name="dataNode1_syncNum" value="0"/>
        </DEVICE>

        <!--  node 2 Deployment information on  -->
        <DEVICE sn="node2_hostname">
            <!--  node 2 The host name of  -->
            <PARAM name="name" value="node2_hostname"/>
            <!--  node 2 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 2 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.2"/>
            <PARAM name="sshIp1" value="192.168.0.2"/>
	</DEVICE>

        <!--  node 3 Deployment information on  -->
        <DEVICE sn="node3_hostname">
            <!--  node 3 The host name of  -->
            <PARAM name="name" value="node3_hostname"/>
            <!--  node 3 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 3 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.3"/>
            <PARAM name="sshIp1" value="192.168.0.3"/>
	</DEVICE>

        <!--  node 4 Deployment information on  -->
        <DEVICE sn="node4_hostname">
            <!--  node 4 The host name of  -->
            <PARAM name="name" value="node4_hostname"/>
            <!--  node 4 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 4 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.4"/>
            <PARAM name="sshIp1" value="192.168.0.4"/>

	</DEVICE>

        <!--  node 5 Deployment information on  -->
        <DEVICE sn="node5_hostname">
            <!--  node 5 The host name of  -->
            <PARAM name="name" value="node5_hostname"/>
            <!--  node 5 Where AZ And AZ priority  -->
            <PARAM name="azName" value="AZ1"/>
            <PARAM name="azPriority" value="1"/>
            <!--  node 5 Of IP, If the server has only one network card available , take backIP1 and sshIP1 Configure to the same IP -->
            <PARAM name="backIp1" value="192.168.0.5"/>
            <PARAM name="sshIp1" value="192.168.0.5"/>
	</DEVICE>
    </DEVICELIST>
</ROOT>

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4.3 Configure users and groups and mutual trust

[[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.
Are you sure you want to create trust for root (yes/no)? yes
Please enter password for root.
Password: 
Creating SSH trust for the root permission user.
Checking network information.
All nodes in the network are Normal.
Successfully checked network information.
Creating SSH trust.
Creating the local key file.
Successfully created the local key files.
Appending local ID to authorized_keys.
Successfully appended local ID to authorized_keys.
Updating the known_hosts file.
Successfully updated the known_hosts file.
Appending authorized_key on the remote node.
Successfully appended authorized_key on all remote node.
Checking common authentication file content.
Successfully checked common authentication content.
Distributing SSH trust file to all node.
Successfully distributed SSH trust file to all node.
Verifying SSH trust on all hosts.
Successfully verified SSH trust on all hosts.
Successfully created SSH trust.
Successfully created SSH trust for the root permission user.
Setting pssh path
Successfully set core path.
Distributing package.
Begin to distribute package to tool path.
Successfully distribute package to tool path.
Begin to distribute package to package path.
Successfully distribute package to package path.
Successfully distributed package.
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.
Installing the tools in the cluster.
Successfully installed the tools in the cluster.
Checking hostname mapping.
Successfully checked hostname mapping.
Creating SSH trust for [omm] user.
Checking network information.
All nodes in the network are Normal.
Successfully checked network information.
Creating SSH trust.
Creating the local key file.
Successfully created the local key files.
Appending local ID to authorized_keys.
Successfully appended local ID to authorized_keys.
Updating the known_hosts file.
Successfully updated the known_hosts file.
Appending authorized_key on the remote node.
Successfully appended authorized_key on all remote node.
Checking common authentication file content.
Successfully checked common authentication content.
Distributing SSH trust file to all node.
Successfully distributed SSH trust file to all node.
Verifying SSH trust on all hosts.
Successfully verified SSH trust on all hosts.
Successfully created SSH trust.
Successfully created SSH trust for [omm] user.
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,cloudcss,cloudcsc --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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4.4 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/
[[email protected] script]$ gs_install -X /opt/software/openGauss/clusterconfig.xml

#  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/huawei/install/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.
Successful check consistence of memCheck and coresCheck on all nodes.
Configuring pg_hba on all nodes.
Configuration is completed.
Successfully started cluster.
Successfully installed application.
end deploy..

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4.5 View the cluster status

[[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 /opt/huawei/install/data/dnp    P Primary Normal
2  cloudcss 192.168.200.175 26000      6002 /opt/huawei/install/data/dns1   S Standby Normal
3  cloudcsc 192.168.200.176 26000      6003 /opt/huawei/install/data/dns2   S Standby Normal

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