华为国产openGauss数据库安装详细教程

分手后的思念是犯贱 2023-10-03 06:15 46阅读 0赞

## 华为国产openGauss数据库安装详细教程(安装openGauss步骤) ##

### 一、检查硬件配置 ###

cat /proc/cpuinfo |grep processor
    cat /etc/redhat-release
    free -m

– 如果内存小于32GB，会因为内存不足导致数据库无法启动，此时需要修改shared\_buffers和max\_connections调整openGauss所需的内存

#### 1、安装jdk8、python3，系统默认是python2,需要升级到3.6 先下载 python3.6.8 ####

yum install -y lksctp*
    yum install -y java-1.8.0-openjdk* psmisc bzip2 python3 python3-devel
    yum install -y libaio-devel flex bison ncurses-devel glibc-devel patch redhat-lsb-core
    
    rpm -qa java-1.8.0-openjdk psmisc bzip2 libaio-devel flex bison ncurses-devel glibc-de
    
    checksctp
    yum install gcc zlib* openssl* -y
    tar -zxvf Python-3.6.8.tgz   //解压
    cd Python-3.6.8
    ./configure --prefix=/usr/python3.6.11 --enable-optimizations --enable-shared
    make
    make install
    ln -s /usr/python3.6.11/bin/python3.6 /usr/bin/python3
    ln -s /usr/python3.6.11/bin/pip3 /usr/bin/pip3
    ln -s /usr/python3.6.11/lib/libpython3.6m.so.1.0 /usr/lib64/
    export LD_LIBRARY_PATH=/usr/python3.6.11/lib:$LD_LIBRARY_PATH
    python3  -V  ///查看python版本是否升级成功

#### 2、设置主机IP 主机名 （主机名在后续配置文件使用到） ####

vi /etc/hosts
    —————————————————————
    192.168.0.11  db1.opengauss.com   #Gauss OM IP Hosts Mapping 
    —————————————————————

#### 3、关闭防火墙 ####

systemctl status firewalld
    systemctl stop firewalld.service

#### 4、关闭SELinux ####

vi /etc/selinux/config
    —————————————————————
    SELINUX=disabled
    —————————————————————

#### 5、修改字符集参数 ####

vi ~/.bash_profile
    —————————————————————
    export LANG=en_US.UTF-8
    —————————————————————
    source ~/.bash_profile

#### 6、关闭SWAP ####

vi /etc/fstab   ## 注释掉swap分区挂载
    swapoff -a      ## 关闭swap

#### 7、配置内核参数 ####

vi /etc/sysctl.conf
        ---------------------------
        net.ipv4.tcp_max_tw_buckets = 10000
        net.ipv4.tcp_tw_reuse = 1
        net.ipv4.tcp_tw_recycle = 1
        net.ipv4.tcp_keepalive_time = 30
        net.ipv4.tcp_keepalive_probes = 9
        net.ipv4.tcp_keepalive_intvl = 30
        net.ipv4.tcp_retries1 = 5
        net.ipv4.tcp_syn_retries = 5
        net.ipv4.tcp_synack_retries = 5
        net.sctp.path_max_retrans = 10
        net.sctp.max_init_retransmits = 10
        net.sctp.association_max_retrans = 10
        net.sctp.hb_interval = 30000
        net.ipv4.tcp_retries2 = 12
        vm.overcommit_memory = 0
        net.sctp.sndbuf_policy = 0
        net.sctp.rcvbuf_policy = 0
        net.sctp.sctp_mem = 94500000 915000000 927000000
        net.sctp.sctp_rmem = 8192 250000 16777216
        net.sctp.sctp_wmem = 8192 250000 16777216
        net.ipv4.tcp_rmem = 8192 250000 16777216
        net.ipv4.tcp_wmem = 8192 250000 16777216
        net.core.wmem_max = 21299200
        net.core.rmem_max = 21299200
        net.core.wmem_default = 21299200
        net.core.rmem_default = 21299200
        net.ipv4.ip_local_port_range = 26000 65535
        kernel.sem = 250 6400000 1000 25600
        vm.min_free_kbytes = 102400    ## 内存*5%
        net.core.somaxconn = 65535
        net.ipv4.tcp_syncookies = 1
        net.sctp.addip_enable = 0
        net.core.   netdev_max_backlog = 65535
        net.ipv4.tcp_max_syn_backlog = 65535
        net.ipv4.tcp_fin_timeout = 60
        kernel.shmall = 1152921504606846720
        kernel.shmmax = 18446744073709551615
        net.ipv4.tcp_sack = 1
        net.ipv4.tcp_timestamps = 1
        vm.extfrag_threshold = 500
        vm.overcommit_ratio = 90
        ----------------------------------------

#### 8、redhat 6.4&6.5需要打开sctp的checksums，否则可能引起创建表或数据库失败 ####

echo 0 >  /sys/module/sctp/parameters/no_checksums

### 二、预安装openGauss软件 ###

#### 1、配置clusterconfig.xml文件 ####

<?xml version="1.0" encoding="UTF-8"?>
    <ROOT>
        
        <CLUSTER>
            <PARAM name="clusterName" value="dbCluster" />
            <PARAM name="nodeNames" value="gaussdb.sugon.com" />
            <PARAM name="backIp1s" value="192.168.15.155"/>
            <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="clusterType" value="single-inst"/>
        </CLUSTER>
        
        <DEVICELIST>
            
            <DEVICE sn="1000001">
                <PARAM name="name" value="gaussdb.sugon.com"/>
                <PARAM name="azName" value="AZ1"/>
                <PARAM name="azPriority" value="1"/>
                
                <PARAM name="backIp1" value="192.168.15.155"/>
                <PARAM name="sshIp1" value="192.168.15.155"/>
     
                
                <PARAM name="dataNum" value="1"/>
                <PARAM name="dataPortBase" value="26000"/>
                <PARAM name="dataNode1" value="/opt/huawei/install/data/db1"/>
            </DEVICE>
        </DEVICELIST>
    </ROOT>

#### 2、初始化环境 ####

openGauss-1.0.0-CentOS-64bit.tar.gz 安装包地址

#mkdir /gauss
        #chgrp dbgrp -R /gauss 
        #chmod 775 -R /gauss
        #mkdir -p /soft/openGauss
        #chmod 775 -R /soft
        #mv clusterconfig.xml   /soft/openGauss
        #mv openGauss-1.0.0-CentOS-64bit.tar.gz  /soft/openGauss
        #cd /soft/openGauss
        #tar -zxvf openGauss-1.0.0-CentOS-64bit.tar.gz
    
        #export LD_LIBRARY_PATH=/soft/openGauss/script/gspylib/clib:/usr/python3.6.8/lib:
        $LD_LIBRARY_PATH
        #cd /soft/openGauss/script
        #./gs_preinstall -U omm -G dbgrp -X /soft/openGauss/clusterconfig.xml   //预安装
    ```
        
    ## 三、部署安装openGauss软件
    ### 1、执行安装脚本
    ```
    chmod -R 775 /soft/
    chown omm:dbgrp /soft -R
    su - omm
    cd /soft/openGauss/script
    ./gs_install -X /soft/openGauss/clusterconfig.xml  ## 密码复杂度要求：大写+小写+数字+特殊字符(任选3类，至少8位)
    ```
    ## 五、数据库操作
    ### 1. 启停数据库
    ```
    gs_ctl start -D /opt/huawei/install/data/db1/
    gs_ctl stop -D /opt/huawei/install/data/db1/
    ```
    ### 2. 切换omm系统用户，登录数据库
    ```
    1）#gs_guc set -N all -I all -h "host all jack 192.168.137.1/32 sha256"
    2）#gsql -d postgres -p 26000 
    
    3）修改oom用户密码 :
    ALTER ROLE omm IDENTIFIED BY '@Dean1912' REPLACE '@Dean19910707';
    ```
    ### 3. 创建用户并赋予用户管理权限
    ```
    1)创建用户jack 并设置密码为jack@123
    
    
    create user jack identified by 'jack@123';
    
    2）默认用户没有创建数据库表权限需要修改其权限   
    
    
    ALTER ROLE gaussadmin SYSADMIN; 
    ```
    ### 4. 先安装gsql远程登录工具（下载地址）
    ```
    gsql -d postgres -h 192.168.15.155 -U jack -p 26000 -W jack@123
    gsql -d postgres -h 192.168.15.155 -U gaussadmin -p 26000 -W Gauss@123
    ```
    ### 5. 创建数据库gaussdb
    ```
    CREATE DATABASE gaussadb ENCODING 'UTF-8' template = template0;
    ```
    ### 6. 创建表test
    ```
    create table t_sys(id int primary key,name varchar(40),pass varchar(20));
    ```