diff --git "a/Centos 7 \347\263\273\347\273\237 openGauss 3.1.0 \344\270\200\344\270\273\344\270\244\345\244\207\351\233\206\347\276\244\345\234\250\347\272\277\346\211\251\345\256\271.md" "b/Centos 7 \347\263\273\347\273\237 openGauss 3.1.0 \344\270\200\344\270\273\344\270\244\345\244\207\351\233\206\347\276\244\345\234\250\347\272\277\346\211\251\345\256\271.md" new file mode 100644 index 0000000000000000000000000000000000000000..4920581886fe78f73258c6022d424b5ceb7e6c24 --- /dev/null +++ "b/Centos 7 \347\263\273\347\273\237 openGauss 3.1.0 \344\270\200\344\270\273\344\270\244\345\244\207\351\233\206\347\276\244\345\234\250\347\272\277\346\211\251\345\256\271.md" @@ -0,0 +1,815 @@ +### 一、安装环境设置 + + + +#### 1.1 硬件环境 + + + +| 名称 | 最低配置 | 建议配置 | 测试配置 | +| :--------: | ------------------------------------------------------------ | -------- | :------: | +| 服务器数量 | 3 | 略 | 略 | +| 硬盘 | * 至少1GB用于安装openGauss的应用程序。
* 每个主机需大约300MB用于元数据存储。
* 预留70%以上的磁盘剩余空间用于数据存储。 | 略 | 略 | +| 内存 | >=2G | 略 | 略 | +| CPU | 功能调试最小1×8核，2.0GHz | 略 | 略 | +| 网络 | 300兆以上以太网，生产建议采用bond | 略 | 略 | + +#### 1.2 软件环境 + +| 软件类型 | 信息描述 | +| ---------------- | ------------------------------------------------------------ | +| 操作系统 | Centos 7.6 | +| Linux文件系统 | 剩余inode个数 > 15亿（推荐） | +| 工具 | bzip2 | +| Python | * oepnEuler：支持Python 3.7.x
* Centos 7.6: 支持Python 3.6.x | +| 数据库版本 | opengauss 3.1.0 企业版 | +| 数据库软件包名称 | openGauss-3.1.0-CentOS-64bit-all.tar.gz | + +##### 1.2.1 安装python + + + +```powershell +-- root用户【新增备库节点】 +# 本次选择安装python 3.6.5版本 +mkdir /usr/local/python3 +cd /usr/local/python3 +wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz +tar -zxf Python-3.6.5.tgz +cd /usr/local/python3/Python-3.6.5 +./configure --prefix=/usr/local/python3 --enable-shared CFLAGS=-fPIC +make && make install +ln -s /usr/local/python3/bin/python3 /usr/bin/python3 +ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3 + +-- 设置环境变量 +cat >>/etc/profile<> /etc/ld.so.conf +ldconfig + +-- 如遇如下报错 +python3: error while loading shared libraries: libpython3.6m.so.1.0: cannot open shared object file: No such file or directory +可执行 cp /usr/local/python3/Python-3.6.5/libpython3.6m.so.1.0 /usr/lib64/ +``` + +##### 1.2.2 安装软件依赖包 + +###### 1.2.2.1 软件依赖要求 + +| 所需软件 | 建议版本 | +| :---------------------------- | :------------------------ | +| libaio-devel | 建议版本：0.3.109-13 | +| flex | 要求版本：2.5.31 以上 | +| bison | 建议版本：2.7-4 | +| ncurses-devel | 建议版本：5.9-13.20130511 | +| glibc-devel | 建议版本：2.17-111 | +| patch | 建议版本：2.7.1-10 | +| redhat-lsb-core | 建议版本：4.1 | +| readline-devel | 建议版本 ：7.0-13 | +| libnsl（openeuler+x86环境中） | 建议版本 ：2.28-36 | + +###### 1.2.2.2 安装软件依赖包 + +```powershell +-- root用户 【新增备库节点】 +-- 安装依赖包 +yum install -y libaio-devel flex bison ncurses-devel glibc-devel patch redhat-lsb-core readline-devel zlib readline gcc perl-ExtUtils-Embed readline-devel zlib-devel expect + +-- 检查是否已安装 +rpm -qa --queryformat "%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n" | grep -E "libaio-devel|flex|bison|ncurses-devel|glibc-devel|patch|redhat-lsb-core|readline-devel|zlib|readline|gcc|python|python-devel|perl-ExtUtils-Embed|readline-devel|zlib-devel|expect" +``` + +##### 1.2.3 操作系统配置 + +###### 1.2.3.1 修改操作系统参数 + +```powershell +-- root用户 【新增备库节点】 +-- 添加如下参数： +cat>>/etc/sysctl.conf <> /etc/rc.d/rc.local< /sys/kernel/mm/transparent_hugepage/enabled +fi +if test -f /sys/kernel/mm/transparent_hugepage/defrag; + then + echo never > /sys/kernel/mm/transparent_hugepage/defrag +fi +EOF + +-- 查看是否关闭： +cat /sys/kernel/mm/transparent_hugepage/enabled +cat /sys/kernel/mm/transparent_hugepage/defrag +``` + +###### 1.2.3.3 关闭防火墙 + +```powershell +-- root用户 【新增备库节点】 +systemctl disable firewalld.service +systemctl stop firewalld.service +``` + +###### 1.2.3.4 关闭selinux + +```powershell +-- root用户 【新增备库节点】 +sed -i "s/SELINUX=enforcing/SELINUX=disabled/" /etc/selinux/config +-- 检查 +cat /etc/selinux/config | grep disabled +``` + +###### 1.2.3.5 修改字符集 + +```powershell +-- root用户 【新增备库节点】 +cat>> /etc/profile<>/etc/ssh/sshd_config<>/etc/ssh/sshd_config<>/etc/resolv.conf<> /etc/hosts< + +```powershell +-- root用户 【新增备库节点】 +-- 创建dbgrp用户组,组ID同主库 +[root@opengauss-db4 ~]# /usr/sbin/groupadd -g 1004 dbgrp +-- 创建omm用户，用户ID同主库 +[root@opengauss-db4 ~]# /usr/sbin/useradd -u 1003 -g dbgrp -G dbgrp omm +-- 设置omm用户密码 +[root@opengauss-db4 ~]# echo "omm123" | passwd --stdin omm +``` + +##### 3.1.2 配置互信 + +```powershell +-- 配置互信，配置root用户及omm用户互信 + +-- 配置 root 用户互信【主节点 root用户执行】 +[root@opengauss-db1 ~]# cd /opt/software/openGauss/script/ +[root@opengauss-db1 script]# vim hostfile -- 在该目录下编辑所有节点IP文件，参照如下 +192.168.17.113 +192.168.17.139 +192.168.17.159 +192.168.17.112 +-- 执行gs_sshexkey 配置互信 +[root@opengauss-db1 script]# ./gs_sshexkey -f hostfile +Please enter password for current user[root]. +Password: -- 输入 root口令 +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. +Distributing trust keys file to all node successfully. +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. + +-- 测试root用户互信 +[root@opengauss-db1 script]# ssh 192.168.17.112 +[root@opengauss-db1 script]# ssh 192.168.17.139 +[root@opengauss-db1 script]# ssh 192.168.17.159 + +-- 配置 omm 用户互信 【主节点 omm 用户执行】 +[omm@opengauss-db1 ~]$ cd /u01/app/software/script/ +[omm@opengauss-db1 script]$ ./gs_sshexkey -f hostfile +Please enter password for current user[omm]. +Password: +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. +Distributing trust keys file to all node successfully. +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. + +-- 测试omm用户互信 +[omm@opengauss-db1 script]$ ssh 192.168.17.112 +[omm@opengauss-db1 script]$ ssh 192.168.17.139 +[omm@opengauss-db1 script]$ ssh 192.168.17.159 + +-- gs_sshexkey 详细语法可查看 gs_sshexkey -? | --help +``` + +##### 3.1.3 配置新增节点环境变量 + +```powershell +-- 拷贝已有节点omm用户环境变量文件至新增节点 +[omm@opengauss-db1 ~]$ scp .bashrc omm@192.168.17.112:/home/omm/ + +[omm@opengauss-db1 ~]$ scp .bash_profile omm@192.168.17.112:/home/omm/ + +-- 修改新增节点 omm用户.bashrc, 删除 或 注释 export GAUSS_ENV=2 +# GAUSS_ENV 值为2表示安装成功 + +-- 生效新增节点 omm 用户环境变量 +[omm@opengauss-db4 ~]$ source .bashrc +[omm@opengauss-db4 ~]$ source .bash_profil + +-- 拷贝已有节点root用户环境变量文件至新增节点 +[root@opengauss-db1 ~]# scp -r /etc/profile root@192.168.17.112:/etc/profile + +-- 生效新增节点root用户环境变量 +[root@opengauss-db4 ~]# source /etc/profile +``` + +##### 3.1.4 修改XML配置文件 + + + +###### 3.1.4.1 配置XML文件 + +```powershell +-- 主节点 root 用户 +-- 在 /opt/software/openGauss 目录下修改 clusterconfig.xml配置文件 +-- 执行操作如下 +cat > clusterconfig.xml< + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +EOF +``` + +###### 3.1.4.2 参数简介 + +| 实例类型 | 参数 | 说明 | +| :--------- | :----------------------------------------------------------- | :------- | +| 整体信息 | name | 主机名称 | +| azName | 指定azName（Available Zone Name），字符串（不能含有特殊字符），例如AZ1、AZ2、AZ3。 | | +| azPriority | 指定azPriority的优先级。 | | +| backIp1 | 主机在后端存储网络中的IP地址（内网IP）。所有openGauss主机使用后端存储网络通讯。 | | +| sshIp1 | 设置SSH可信通道IP地址（外网IP）。若无外网，则可以不设置该选项或者同backIp1设置相同IP。 | | + +##### 3.1.5 拷贝主节点clusterconfig.xml至新增节点 + +```powershell +-- 新增节点创建 /opt/software/openGauss 目录 +[root@opengauss-db4 ]# mkdir -p /opt/software/openGauss +-- 拷贝主节点 clusterconfig.xml 文件至新增节点同目录处 +[root@opengauss-db1 ]# scp /opt/software/openGauss/clusterconfig.xml omm@opengauss-db4:/opt/software/openGauss +``` + +#### 3.2 集群扩容 + +```powershell +-- 主节点 【root 用户执行】 +[omm@opengauss-db1 ~]$ su - root +Password: +Last login: Fri Nov 11 15:14:54 CST 2022 from 192.168.16.10 on pts/0 +[root@opengauss-db1 ~]# cd /opt/software/openGauss/script +[root@opengauss-db1 script]# source /home/omm/.bashrc +[root@opengauss-db1 script]# ./gs_expansion -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -h 192.168.17.112 + +执行结果如下： +Start expansion with cluster manager component. +Start to send soft to each standby nodes. +End to send soft to each standby nodes. +Success to send XML to new nodes +Start to perform perinstall on nodes: ['opengauss-db4'] +Preinstall command is: /tmp/gs_expansion_2022-11-13_21_31_49_537605/pkg/script/gs_preinstall -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -L --non-interactive 2>&1 +Success to perform perinstall on nodes ['opengauss-db4'] +Success to change user to [omm] +Installing applications on all new nodes. +Install on new node output: [SUCCESS] opengauss-db4: +Using omm:dbgrp to install database. +Using installation program path : /opt/gaussdb/install/app +Command for creating symbolic link: ln -snf /opt/gaussdb/install/app_4e931f9a /opt/gaussdb/install/app. +Decompressing bin file. +Decompress CM package command: export LD_LIBRARY_PATH=$GPHOME/script/gspylib/clib:$LD_LIBRARY_PATH && tar -zxf "/opt/gaussdb/gausstools/om/script/os_platform/./../../openGauss-3.1.0-CentOS-64bit-cm.tar.gz" -C "/opt/gaussdb/install/app" +Decompress CM package successfully. +Successfully decompressed bin file. +Modifying Alarm configuration. +Modifying user's environmental variable $GAUSS_ENV. +Successfully modified user's environmental variable $GAUSS_ENV. +Fixing file permission. +Set Cgroup config file to appPath. +Successfully Set Cgroup. + +Successfully installed APP on nodes ['opengauss-db4']. +success to send all CA file. +Success to change user to [omm] +Success to init instance on nodes ['opengauss-db4'] +Start to generate and send cluster static file. +End to generate and send cluster static file. + +Ready to perform command on node [opengauss-db4]. Command is : source /home/omm/.bashrc;gs_guc set -D /opt/gaussdb/install/data/db1 -h 'host all omm 192.168.17.112/32 trust' -h 'host all all 192.168.17.112/32 sha256' +Successfully set hba on all nodes. +Success to change user to [omm] +Stopping cluster. +========================================= +Successfully stopped cluster. +========================================= +End stop cluster. +Remove dynamic_config_file and CM metadata directory on all nodes. +Starting cluster. +====================================================================== +Successfully started primary instance. Wait for standby instance. +====================================================================== +. +Successfully started cluster. +====================================================================== +cluster_state : Normal +redistributing : No +node_count : 4 +Datanode State + primary : 1 + standby : 3 + secondary : 0 + cascade_standby : 0 + building : 0 + abnormal : 0 + down : 0 + +Expansion results: +192.168.17.112: Success + +-- 执行过程日志可查看 /opt/gaussdb/log/omm/pg_log/dn__xxx 目录下 postgresql 日志 +``` + +#### 3.3 查询集群状态 + +```powershell +[root@opengauss-db1 script]# su - omm +Last login: Sun Nov 13 21:37:57 CST 2022 on pts/4 +[omm@opengauss-db1 ~]$ cm_ctl query -v -C -i -d +[ CMServer State ] + +node node_ip instance state +------------------------------------------------------------------------------------ +1 opengauss-db1 192.168.17.113 1 /opt/gaussdb/install/data/cm/cm_server Primary +2 opengauss-db2 192.168.17.139 2 /opt/gaussdb/install/data/cm/cm_server Standby +3 opengauss-db3 192.168.17.159 3 /opt/gaussdb/install/data/cm/cm_server Standby +4 opengauss-db4 192.168.17.112 4 /opt/gaussdb/install/data/cm/cm_server Standby + +[ Cluster State ] + +cluster_state : Normal +redistributing : No +balanced : Yes +current_az : AZ_ALL + +[ Datanode State ] + +node node_ip instance state | node node_ip instance state | node node_ip instance state | node node_ip instance state +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ +1 opengauss-db1 192.168.17.113 6001 /opt/gaussdb/install/data/db1 P Primary Normal | 2 opengauss-db2 192.168.17.139 6002 /opt/gaussdb/install/data/db1 S Standby Normal | 3 opengauss-db3 192.168.17.159 6003 /opt/gaussdb/install/data/db1 S Standby Normal | 4 opengauss-db4 192.168.17.112 6004 /opt/gaussdb/install/data/db1 S Standby Normal + + +[omm@opengauss-db1 ~]$ gs_om -t status --detail +[ CMServer State ] + +node node_ip instance state +------------------------------------------------------------------------------------ +1 opengauss-db1 192.168.17.113 1 /opt/gaussdb/install/data/cm/cm_server Primary +2 opengauss-db2 192.168.17.139 2 /opt/gaussdb/install/data/cm/cm_server Standby +3 opengauss-db3 192.168.17.159 3 /opt/gaussdb/install/data/cm/cm_server Standby +4 opengauss-db4 192.168.17.112 4 /opt/gaussdb/install/data/cm/cm_server Standby + +[ Cluster State ] + +cluster_state : Normal +redistributing : No +balanced : Yes +current_az : AZ_ALL + +[ Datanode State ] + +node node_ip instance state +------------------------------------------------------------------------------------- +1 opengauss-db1 192.168.17.113 6001 /opt/gaussdb/install/data/db1 P Primary Normal +2 opengauss-db2 192.168.17.139 6002 /opt/gaussdb/install/data/db1 S Standby Normal +3 opengauss-db3 192.168.17.159 6003 /opt/gaussdb/install/data/db1 S Standby Normal +4 opengauss-db4 192.168.17.112 6004 /opt/gaussdb/install/data/db1 S Standby Normal +``` + +#### 3.4 刷新动态配置文件 + +```powershell +-- 主节点 omm 用户操作 +[omm@opengauss-db1 ~]$ gs_om -t refreshconf +Generating dynamic configuration file for all nodes. +Successfully generated dynamic configuration file. +``` + +#### 3.5 数据测试 + +```powershell +-- 主节点 +[root@opengauss-db1 ~]# su - omm +Last login: Mon Nov 14 10:14:24 CST 2022 on pts/5 +[omm@opengauss-db1 ~]$ gsql -d postgres -p 26000 +gsql ((openGauss 3.1.0 build 4e931f9a) compiled at 2022-09-29 14:19:24 commit 0 last mr ) +Non-SSL connection (SSL connection is recommended when requiring high-security) +Type "help" for help. + +openGauss=# create table pgtb (id int, name text); +CREATE TABLE +openGauss=# insert into pgtb (id,name) values (10,'Jacky'); +INSERT 0 1 +openGauss=# + +-- 新增节点 +[omm@opengauss-db4 ~]$ gsql -d postgres -p 26000 +gsql ((openGauss 3.1.0 build 4e931f9a) compiled at 2022-09-29 14:19:24 commit 0 last mr ) +Non-SSL connection (SSL connection is recommended when requiring high-security) +Type "help" for help. + +openGauss=# select * from pgtb; + id | name +----+------- + 10 | Jacky +(1 row) + +openGauss=# insert into pgtb (id,name) values (11,'shlei6067'); +ERROR: cannot execute INSERT in a read-only transaction +openGauss=# +``` + +### 四、补充 + + + +#### 4.1 扩容时报GAUSS-51100 + +```powershell +--问题现象 +主节点执行扩容时，报 [GAUSS-51100] : Failed to verify SSH trust on these nodes错误 +[root@opengauss-db1 openGauss]# ./script/gs_expansion -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -h 192.168.17.112 +[GAUSS-51100] : Failed to verify SSH trust on these nodes: +opengauss-db1, opengauss-db2, opengauss-db3, opengauss-db4, 192.168.17.113, 192.168.17.139, 192.168.17.159, 192.168.17.112 by root +opengauss-db1, opengauss-db2, opengauss-db3, opengauss-db4, 192.168.17.113, 192.168.17.139, 192.168.17.159, 192.168.17.112 by individual user. + +-- 解决办法 +创建存放所有节点IP文件，分别在root用户及omm用户下参照3.1.2章节执行 gs_sshexkey 来配置节点间的互信，并分别测试互信 +可在主节点执行 /opt/gaussdb/gausstools/om/script/gspylib/pssh/bin/pssh -s -H 'pwd' 查看互信 + +# gs_expansion文件倒数第二行expansion.checkTrust()是用来做互信校验的 +``` + +#### 4.2 解析clusterconfig.xml报错 + +```powershell +-- 问题现象： +主节点执行扩容时报如下错误： +[root@opengauss-db1 script]# ./gs_expansion -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -h 192.168.17.112 +Start expansion with cluster manager component. +Start to send soft to each standby nodes. +End to send soft to each standby nodes. +Success to send XML to new nodes +Start to perform perinstall on nodes: ['opengauss-db4'] +Preinstall command is: /tmp/gs_expansion_2022-11-13_21_21_21_185901/pkg/script/gs_preinstall -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -L --non-interactive 2>&1 +Success to perform perinstall on nodes ['opengauss-db4'] +Success to change user to [omm] +Installing applications on all new nodes. +Install on new node output: [FAILURE] opengauss-db4: +Using omm:dbgrp to install database. +Using installation program path : /opt/gaussdb/install/app +Command for creating symbolic link: ln -snf /opt/gaussdb/install/app_4e931f9a /opt/gaussdb/install/app. +[GAUSS-51234] : The configuration file [/opt/software/openGauss/clusterconfig.xml] contains parsing errors. Error: +[GAUSS-51236] : Failed to parsing xml. Error: +[Errno 13] Permission denied: '/opt/software/openGauss/clusterconfig.xml'. + +Process Process-1: +Traceback (most recent call last): + File "/usr/local/python3/lib/python3.6/multiprocessing/process.py", line 258, in _bootstrap + self.run() + File "/usr/local/python3/lib/python3.6/multiprocessing/process.py", line 93, in run + self._target(*self._args, **self._kwargs) + File "/opt/software/openGauss/script/impl/expansion/expansion_impl_with_cm.py", line 446, in do_install + self.install_app() + File "/opt/software/openGauss/script/impl/expansion/expansion_impl_with_cm.py", line 172, in install_app + [key for key in result_map.keys() if result_map[key] == "Failure"]) +Exception: [GAUSS-52707] : Failed to install on ['opengauss-db4']. + +-- 解决办法： +可将主节点clusterconfig.xml文件拷贝至新增备库相同目录节点下，并赋予omm用户读权限，参照 3.1.5 章节 +该问题主要是由于 3.1.0 版本在扩容时拷贝文件到新增节点，clusterconfig.xml 用户和属组都是 root，omm用户无法读该文件 +``` + +#### 4.3 扩容时报GAUSS-51802 + +```powershell +-- 问题现象： +[GAUSS-51802] : Failed to obtain the environment variable "GAUSSHOME", please import environment variable. + +-- 解决办法： +主节点root用户执行 source /home/omm/.bashrc +新增节点 omm 用户执行 source /home/omm/.bashrc +``` + +#### 4.4 扩容时报GAUSS-51800 + +```powershell +-- 问题现象： +扩容时，报如下错误： +[root@opengauss-db1 script]# source /home/omm/.bashrc +[root@opengauss-db1 script]# ./script/gs_expansion -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -h 192.168.17.112 +-bash: ./script/gs_expansion: No such file or directory +[root@opengauss-db1 script]# ./gs_expansion -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -h 192.168.17.112 +Start expansion with cluster manager component. +Start to send soft to each standby nodes. +End to send soft to each standby nodes. +Success to send XML to new nodes +Start to perform perinstall on nodes: ['opengauss-db4'] +Preinstall command is: /tmp/gs_expansion_2022-11-13_20_49_42_523008/pkg/script/gs_preinstall -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml -L --non-interactive 2>&1 +Success to perform perinstall on nodes ['opengauss-db4'] +Success to change user to [omm] +Installing applications on all new nodes. +Install on new node output: [FAILURE] opengauss-db4: +Using omm:dbgrp to install database. +Using installation program path : /opt/gaussdb/install/app +[GAUSS-51800] : The environmental variable $GAUSSHOME is empty. or variable has exceeded maximum length + +Process Process-1: +Traceback (most recent call last): + File "/usr/local/python3/lib/python3.6/multiprocessing/process.py", line 258, in _bootstrap + self.run() + File "/usr/local/python3/lib/python3.6/multiprocessing/process.py", line 93, in run + self._target(*self._args, **self._kwargs) + File "/opt/software/openGauss/script/impl/expansion/expansion_impl_with_cm.py", line 446, in do_install + self.install_app() + File "/opt/software/openGauss/script/impl/expansion/expansion_impl_with_cm.py", line 172, in install_app + [key for key in result_map.keys() if result_map[key] == "Failure"]) +Exception: [GAUSS-52707] : Failed to install on ['opengauss-db4']. + +-- 解决办法： +新增节点 omm 用户 修改 /home/omm/.bashrc ,取消或注释 GAUSS_ENV +然后执行 source /home/omm/.bashrc 生效环境变量 +``` + +#### 4.5 主节点/opt/gaussdb/gausstools/ 目录为空 + +```powershell +-- 问题现象： +在扩容时，发现主节点 /opt/gaussdb/gausstools/ 目录为空 + +-- 解决办法： +使用 omm 用户 拷贝其它正常备库节点 /opt/gaussdb/gausstools/ 目录至 主节点 omm用户 /opt/gaussdb/gausstools/ 下 +``` + diff --git "a/Centos 7.6 \345\256\211\350\243\205\351\203\250\347\275\262 openGauss 3.1.0 \344\274\201\344\270\232\347\211\210\344\270\200\344\270\273\344\270\244\345\244\207\351\233\206\347\276\244.md" "b/Centos 7.6 \345\256\211\350\243\205\351\203\250\347\275\262 openGauss 3.1.0 \344\274\201\344\270\232\347\211\210\344\270\200\344\270\273\344\270\244\345\244\207\351\233\206\347\276\244.md" new file mode 100644 index 0000000000000000000000000000000000000000..23fc619e3133271c253bc20935484c9fa594a672 --- /dev/null +++ "b/Centos 7.6 \345\256\211\350\243\205\351\203\250\347\275\262 openGauss 3.1.0 \344\274\201\344\270\232\347\211\210\344\270\200\344\270\273\344\270\244\345\244\207\351\233\206\347\276\244.md" @@ -0,0 +1,946 @@ +### 一、安装环境设置 + +#### 1.1 硬件环境 + + + +| 名称 | 最低配置 | 建议配置 | 测试配置 | +| :--------: | ------------------------------------------------------------ | -------- | :------: | +| 服务器数量 | 3 | 略 | 略 | +| 硬盘 | * 至少1GB用于安装openGauss的应用程序。
* 每个主机需大约300MB用于元数据存储。
* 预留70%以上的磁盘剩余空间用于数据存储。 | 略 | 略 | +| 内存 | >=2G | 略 | 略 | +| CPU | 功能调试最小1×8核，2.0GHz | 略 | 略 | +| 网络 | 300兆以上以太网，生产建议采用bond | 略 | 略 | + +#### 1.2 软件环境 + +| 软件类型 | 信息描述 | +| ---------------- | ------------------------------------------------------------ | +| 操作系统 | Centos 7.6 | +| Linux文件系统 | 剩余inode个数 > 15亿（推荐） | +| 工具 | bzip2 | +| Python | * oepnEuler：支持Python 3.7.x
* Centos 7.6: 支持Python 3.6.x | +| 数据库版本 | opengauss 3.1.0 企业版 | +| 数据库软件包名称 | openGauss-3.1.0-CentOS-64bit-all.tar.gz | + +##### 1.2.1 安装python 3.6 + +```powershell +-- root用户(所有节点) +# 本次选择安装python 3.6.5版本 +mkdir /usr/local/python3 +cd /usr/local/python3 +wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz +tar -zxf Python-3.6.5.tgz +cd /usr/local/python3/Python-3.6.5 +./configure --prefix=/usr/local/python3 --enable-shared CFLAGS=-fPIC +make && make install +ln -s /usr/local/python3/bin/python3 /usr/bin/python3 +ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3 + +-- 设置环境变量 +cat >>/etc/profile<> /etc/ld.so.conf +ldconfig + +-- 如遇如下报错 +python3: error while loading shared libraries: libpython3.6m.so.1.0: cannot open shared object file: No such file or directory +可执行 cp /usr/local/python3/Python-3.6.5/libpython3.6m.so.1.0 /usr/lib64/ +``` + +##### 1.2.2 安装软件依赖包 + +###### 1.2.2.1 软件依赖要求 + +| 所需软件 | 建议版本 | +| :---------------------------- | :------------------------ | +| libaio-devel | 建议版本：0.3.109-13 | +| flex | 要求版本：2.5.31 以上 | +| bison | 建议版本：2.7-4 | +| ncurses-devel | 建议版本：5.9-13.20130511 | +| glibc-devel | 建议版本：2.17-111 | +| patch | 建议版本：2.7.1-10 | +| redhat-lsb-core | 建议版本：4.1 | +| readline-devel | 建议版本 ：7.0-13 | +| libnsl（openeuler+x86环境中） | 建议版本 ：2.28-36 | + +###### 1.2.2.2 安装软件依赖包 + +```powershell +-- root用户 【所有节点】 +-- 安装依赖包 +yum install -y libaio-devel flex bison ncurses-devel glibc-devel patch redhat-lsb-core readline-devel zlib readline gcc perl-ExtUtils-Embed readline-devel zlib-devel expect + +-- 检查是否已安装 +rpm -qa --queryformat "%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n" | grep -E "libaio-devel|flex|bison|ncurses-devel|glibc-devel|patch|redhat-lsb-core|readline-devel|zlib|readline|gcc|python|python-devel|perl-ExtUtils-Embed|readline-devel|zlib-devel|expect" +``` + +##### 1.2.3 修改操作系统配置 + +###### 1.2.3.1 修改操作系统参数 + +```powershell +-- root用户 【所有节点】 +-- 添加如下参数： +cat>>/etc/sysctl.conf <> /etc/rc.d/rc.local< /sys/kernel/mm/transparent_hugepage/enabled +fi +if test -f /sys/kernel/mm/transparent_hugepage/defrag; + then + echo never > /sys/kernel/mm/transparent_hugepage/defrag +fi +EOF + +-- 查看是否关闭： +cat /sys/kernel/mm/transparent_hugepage/enabled +cat /sys/kernel/mm/transparent_hugepage/defrag +``` + +###### 1.2.3.3 关闭防火墙 + +```powershell +-- root用户 【所有节点】 +systemctl disable firewalld.service +systemctl stop firewalld.service +``` + +###### 1.2.3.4 关闭selinux + +```powershell +-- root用户 【所有节点】 +sed -i "s/SELINUX=enforcing/SELINUX=disabled/" /etc/selinux/config +-- 检查 +cat /etc/selinux/config | grep disabled +``` + +###### 1.2.3.5 修改字符集 + +```powershell +-- root用户 【所有节点】 +cat>> /etc/profile<>/etc/ssh/sshd_config<>/etc/ssh/sshd_config<>/etc/resolv.conf<>/etc/resolv.conf<>/etc/resolv.conf< /etc/hosts< + +#### 3.2 上传及解压软件包 + + + +```powershell +-- 节点一 root 用户 +-- 创建存放安装包目录 +mkdir -p /opt/software/openGauss +chmod 755 -R /opt/software + +-- 上传软件包 +# 上传openGauss-3.1.0-CentOS-64bit-all.tar.gz软件至/opt/software/openGauss目录 +# 解压软件包,解压openGauss-3.1.0-CentOS-64bit-all.tar.gz后需保留 .sha256文件，否则执行预检查时会报[GAUSS-50201] : The /opt/software/openGauss/openGauss-2.0.0-RedHat-64bit.sha256 does not exist. + +tar -zxvf openGauss-3.1.0-CentOS-64bit-all.tar.gz + +tar -zxvf openGauss-3.1.0-CentOS-64bit-om.tar.gz +``` + +#### 3.3 创建XML配置文件 + +##### 3.3.1 配置XML文件 + +```powershell +-- 节点一 root 用户 +-- 在/opt/software/openGauss 目录下创建 clusterconfig.xml配置文件 +-- 执行操作如下 +cat > clusterconfig.xml< + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +EOF +``` + +##### 3.3.2 参数简介 + +| 实例类型 | 参数 | 说明 | +| :--------- | :----------------------------------------------------------- | :------- | +| 整体信息 | name | 主机名称 | +| azName | 指定azName（Available Zone Name），字符串（不能含有特殊字符），例如AZ1、AZ2、AZ3。 | | +| azPriority | 指定azPriority的优先级。 | | +| backIp1 | 主机在后端存储网络中的IP地址（内网IP）。所有openGauss主机使用后端存储网络通讯。 | | +| sshIp1 | 设置SSH可信通道IP地址（外网IP）。若无外网，则可以不设置该选项或者同backIp1设置相同IP。 | | + +#### 3.4 初始化安装环境 + +```powershell +# root 用户 节点一操作 + +-- 设置lib库 +export LD_LIBRARY_PATH=/opt/software/openGauss/script/gspylib/clib:$LD_LIBRARY_PATH + +-- 执行预执行 +python3 /opt/software/openGauss/script/gs_preinstall -U omm -G dbgrp -X /opt/software/openGauss/clusterconfig.xml +# 预执行过程中，从日志来看是拷贝了software目录下文件到其它节点，将节点一的scripts下ssh-agent.sh拷贝到其它节点/root/.ssh/目录下，执行完并将其删除，创建了omm用户，每个节点/etc/profile下设置环境变量 +# 预执行详细执行过程可查看 /opt/gaussdb/log/omm/om 目录下 + +# 执行过程可查看/opt/gaussdb/log/omm/om 目录下gs_preinstall日志文件gs_preinstall_xxx.log文件 + +-- 预检查执行结果如下 +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 -- 输入 yes +Please enter password for root +Password: 输入 root 口令 +Successfully created SSH trust for the root permission user. +Setting host ip env +Successfully set host ip env. +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 -- 输入 yes +Please enter password for cluster user. +Password: -- 设置 omm 口令 +Please enter password for cluster user again. +Password: -- 再次输入 omm 口令 +Generate cluster user password files successfully. + +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. +Please enter password for current user[omm]. +Password: -- 输入 omm 口令 +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. +Distributing trust keys file to all node successfully. +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 opengauss-db1,opengauss-db2,opengauss-db3 --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. + +-- 查看预安装结果信息，并根据预检查调整参数 +[root@opengauss-db1 ~]# /opt/software/openGauss/script/gs_checkos -i A -h opengauss-db1,opengauss-db2,opengauss-db3 --detail +-- 执行结果如下 +# 本次测试环境三台服务器，操作系统为 Centos 7.9, 系统内核为 3.10.0-693.el7.x86_64 曾经做过7.6系统的升级 +Checking items: + A1. [ OS version status ] : Normal + [opengauss-db3] + centos_7.9.2009_64bit + [opengauss-db2] + centos_7.9.2009_64bit + [opengauss-db1] + centos_7.9.2009_64bit + + A2. [ Kernel version status ] : Warning + [opengauss-db1] + 3.10.0-957.27.2.el7.x86_64 + [opengauss-db2] + 3.10.0-1160.76.1.el7.x86_64 + [opengauss-db3] + 3.10.0-1160.76.1.el7.x86_64 + + A3. [ Unicode status ] : Normal + The values of all unicode are same. The value is "LANG=en_US.UTF-8". + A4. [ Time zone status ] : Normal + The informations about all timezones are same. The value is "+0800". + A5. [ Swap memory status ] : Normal + The value about swap memory is correct. + A6. [ System control parameters status ] : Warning + [opengauss-db1] + Warning reason: variable 'net.ipv4.ip_local_port_range' RealValue '1024 65000' ExpectedValue '26000 65535'. + Check_SysCtl_Parameter warning. + + [opengauss-db2] + Warning reason: variable 'net.ipv4.ip_local_port_range' RealValue '1024 65000' ExpectedValue '26000 65535'. + Check_SysCtl_Parameter warning. + + [opengauss-db3] + Warning reason: variable 'net.ipv4.ip_local_port_range' RealValue '1024 65000' ExpectedValue '26000 65535'. + Check_SysCtl_Parameter warning. + + + A7. [ File system configuration status ] : Warning + [opengauss-db1] + Warning reason: variable 'open files' RealValue '65536' ExpectedValue '1000000' + Warning reason: variable 'max user processes' RealValue '69632' ExpectedValue 'unlimited' + + [opengauss-db2] + Warning reason: variable 'open files' RealValue '65536' ExpectedValue '1000000' + Warning reason: variable 'max user processes' RealValue '69632' ExpectedValue 'unlimited' + + [opengauss-db3] + Warning reason: variable 'open files' RealValue '65536' ExpectedValue '1000000' + Warning reason: variable 'max user processes' RealValue '69632' ExpectedValue 'unlimited' + + + A8. [ Disk configuration status ] : Normal + The value about XFS mount parameters is correct. + A9. [ Pre-read block size status ] : Normal + The value about Logical block size is correct. + A10.[ IO scheduler status ] : Normal + The value of IO scheduler is correct. + A11.[ Network card configuration status ] : Warning + [opengauss-db1] +BondMode Null + Warning reason: network 'ens33' 'mtu' RealValue '1500' ExpectedValue '8192' -- 可忽略 + + [opengauss-db2] +BondMode Null + Warning reason: network 'ens33' 'mtu' RealValue '1500' ExpectedValue '8192' -- 可忽略 + + [opengauss-db3] +BondMode Null + Warning reason: network 'ens33' 'mtu' RealValue '1500' ExpectedValue '8192' -- 可忽略 + + + A12.[ Time consistency status ] : Warning + [opengauss-db1] + The NTPD not detected on machine and local time is "2022-11-09 11:53:23". + [opengauss-db2] + The NTPD not detected on machine and local time is "2022-11-09 11:53:23". + [opengauss-db3] + The NTPD not detected on machine and local time is "2022-11-09 11:53:24". + + A13.[ Firewall service status ] : Normal + The firewall service is stopped. + A14.[ THP service status ] : Normal + The THP service is stopped. +Total numbers:14. Abnormal numbers:0. Warning numbers:5. + +============================================================================= +-- 根据执行detail命令结果对预检查告警进行调整 +-- 预检查过程中遇到的问题可参照 后文 附录 部分 +``` + +#### 3.5 执行集群安装 + +##### 3.5.1 修改属主 + +```powershell +-- 务必确保已在节点一执行预检查 +-- root 用户 节点一操作 +chmod -R 755 /opt/software/openGauss/script/ +chown -R omm:dbgrp /opt/software/openGauss/script/ +``` + +##### 3.5.2 执行安装 + +```powershell +-- 节点一切换到omm用户执行 +su - omm +-- 执行如下命令 +gs_install -X /opt/software/openGauss/clusterconfig.xml + +# 执行过程可查看/opt/gaussdb/log/omm/om及各节点/opt/gaussdb/log/omm/pg_log/ 下日志文件 +# + +[omm@opengauss-db1 ~]$ gs_install -X /opt/software/openGauss/clusterconfig.xml --gsinit-parameter="--encoding=UTF8" + +-- 执行结果如下 +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: -- 设置数据库 口令 如 Passw0rd@1234 +Please repeat for database: -- 再次输入相同口令 +begin to create CA cert files +The sslcert will be generated in /opt/gaussdb/install/app/share/sslcert/om +Create CA files for cm beginning. +Create CA files on directory [/opt/gaussdb/install/app_4e931f9a/share/sslcert/cm]. file list: ['client.key.rand', 'server.crt', 'cacert.pem', 'client.crt', 'server.key.rand', 'client.key', 'client.key.cipher', 'server.key', 'server.key.cipher'] +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. +Starting cluster. +====================================================================== +Successfully started primary instance. Wait for standby instance. +====================================================================== +. +Successfully started cluster. +====================================================================== +cluster_state : Normal +redistributing : No +node_count : 3 +Datanode State + primary : 1 + standby : 2 + secondary : 0 + cascade_standby : 0 + building : 0 + abnormal : 0 + down : 0 + +Successfully installed application. +end deploy.. +``` + +##### 3.5.3 数据库状态检查 + +```postgresql +-- omm用户 +[omm@opengauss-db1 ~]$ gs_om -t status --detail +[ CMServer State ] + +node node_ip instance state +------------------------------------------------------------------------------------ +1 opengauss-db1 192.168.17.113 1 /opt/gaussdb/install/data/cm/cm_server Primary +2 opengauss-db2 192.168.17.139 2 /opt/gaussdb/install/data/cm/cm_server Standby +3 opengauss-db3 192.168.17.159 3 /opt/gaussdb/install/data/cm/cm_server Standby + +[ Cluster State ] + +cluster_state : Normal +redistributing : No +balanced : Yes +current_az : AZ_ALL + +[ Datanode State ] + +node node_ip instance state +------------------------------------------------------------------------------------- +1 opengauss-db1 192.168.17.113 6001 /opt/gaussdb/install/data/db1 P Primary Normal +2 opengauss-db2 192.168.17.139 6002 /opt/gaussdb/install/data/db1 S Standby Normal +3 opengauss-db3 192.168.17.159 6003 /opt/gaussdb/install/data/db1 S Standby Normal +``` + + + +##### 3.5.4 集群状态检查 + +```powershell +-- omm 用户 +[omm@opengauss-db1 ~]$ cm_ctl query -Cv +[ CMServer State ] + +node instance state +--------------------------------- +1 opengauss-db1 1 Primary +2 opengauss-db2 2 Standby +3 opengauss-db3 3 Standby + +[ Cluster State ] + +cluster_state : Normal +redistributing : No +balanced : Yes +current_az : AZ_ALL + +[ Datanode State ] + +node instance state | node instance state | node instance state +--------------------------------------------------------------------------------------------------------------------------------------- +1 opengauss-db1 6001 P Primary Normal | 2 opengauss-db2 6002 S Standby Normal | 3 opengauss-db3 6003 S Standby Normal +``` + + + +### 四、集群测试 + +#### 4.1 主备数据验证测试 + +```postgresql +-- omm用户 +-- 主节点 +[omm@opengauss-db1 ~]$ gsql -d postgres -p 26000 +gsql ((openGauss 3.1.0 build 4e931f9a) compiled at 2022-09-29 14:19:24 commit 0 last mr ) +Non-SSL connection (SSL connection is recommended when requiring high-security) +Type "help" for help. + +openGauss=# create table tb1 (id int, name text); +CREATE TABLE +openGauss=# insert into tb1 (id,name) values (10,'Jacky'); +INSERT 0 1 +openGauss=# commit; +WARNING: there is no transaction in progress +COMMIT +openGauss=# \echo :AUTOCOMMIT -- 默认开启了自动提交 +on +openGauss=# + +-- 备节点一 +[omm@opengauss-db2 ~]$ gsql -d postgres -p 26000 +gsql ((openGauss 3.1.0 build 4e931f9a) compiled at 2022-09-29 14:19:24 commit 0 last mr ) +Non-SSL connection (SSL connection is recommended when requiring high-security) +Type "help" for help. + +openGauss=# select * from tb1; + id | name +----+------- + 10 | Jacky +(1 row) + +openGauss=# insert into tb1 (id,name) values (11,'shlei'); +ERROR: cannot execute INSERT in a read-only transaction +openGauss=# + +-- 备节点二 +[omm@opengauss-db3 ~]$ gsql -d postgres -p 26000 +gsql ((openGauss 3.1.0 build 4e931f9a) compiled at 2022-09-29 14:19:24 commit 0 last mr ) +Non-SSL connection (SSL connection is recommended when requiring high-security) +Type "help" for help. + +openGauss=# select * from tb1; + id | name +----+------- + 10 | Jacky +(1 row) + +openGauss=# insert into tb1 (id,name) values (11,'shlei'); +ERROR: cannot execute INSERT in a read-only transaction +openGauss=# +``` + +#### 4.2 集群启停测试 + +##### 4.2.1 停止集群 + +```powershell +-- omm 用户 +-- 停止集群 +[omm@opengauss-db1 ~]$ cm_ctl stop +cm_ctl: stop cluster. +cm_ctl: stop nodeid: 1 +cm_ctl: stop nodeid: 2 +cm_ctl: stop nodeid: 3 +.......... +cm_ctl: stop cluster successfully. + +-- 查看集群状态 +[omm@opengauss-db1 ~]$ cm_ctl query -Cv +[ CMServer State ] + +node instance state +--------------------------------- +1 opengauss-db1 1 Down +2 opengauss-db2 2 Down +3 opengauss-db3 3 Down + +cm_ctl: can't connect to cm_server. +Maybe cm_server is not running, or timeout expired. Please try again. +``` + + + +##### 4.2.2 启动集群 + +```powershell +-- omm 用户 +-- 启动集群 +[omm@opengauss-db1 ~]$ cm_ctl start +cm_ctl: checking cluster status. +cm_ctl: checking cluster status. +cm_ctl: checking finished in 901 ms. +cm_ctl: start cluster. +cm_ctl: start nodeid: 1 +cm_ctl: start nodeid: 2 +cm_ctl: start nodeid: 3 +................. +cm_ctl: start cluster successfully. + + +-- 查看集群状态 +[omm@opengauss-db1 ~]$ cm_ctl query -Cv +[ CMServer State ] + +node instance state +--------------------------------- +1 opengauss-db1 1 Primary +2 opengauss-db2 2 Standby +3 opengauss-db3 3 Standby + +[ Cluster State ] + +cluster_state : Normal +redistributing : No +balanced : Yes +current_az : AZ_ALL + +[ Datanode State ] + +node instance state | node instance state | node instance state +--------------------------------------------------------------------------------------------------------------------------------------- +1 opengauss-db1 6001 P Primary Normal | 2 opengauss-db2 6002 S Standby Normal | 3 opengauss-db3 6003 S Standby Normal +``` + + + +### 五、补充 + +#### 5.1 初始化报expect命令未找到 + +```powershell +-- 如未安装expect包导致初始化预检查调用expect命令时报错，报错信息如下： +[2022-11-09 11:13:42.081711][2196828][gs_sshexkey][DEBUG]:add ssh id_rsa output:/root/.ssh/./ssh-agent.sh: line 18: expect: command not found +[2022-11-09 11:13:42.082355][2196828][gs_sshexkey][DEBUG]:Error: Failed to register other ssh-agent, output is [Failed to ssh-add perform.Error: /root/.ssh/./ssh-agent.sh: line 18: expect: command not found] for 2 times +[2022-11-09 11:13:42.082573][2196828][gs_sshexkey][ERROR]:Error: Failed to register other ssh-agent,output is [Failed to ssh-add perform.Error: /root/.ssh/./ssh-agent.sh: line 18: expect: command not found] +[2022-11-09 11:13:42.314059][2196716][gs_preinstall][ERROR]:[GAUSS-51632] : Failed to do gs_sshexkey.Error: Please enter password for current user[root]. + +-- ssh-agent.sh脚本是openGauss自带脚本，内容为： +#!/bin/bash +############################################################################# +# Copyright (c): 2021-2025, Huawei Tech. Co., Ltd. +# FileName : ssh-agent +# Version : V1.0.0 +# Date : 2020-01-13 +############################################################################# + +read -r secret +id_rsa_path="$1" +passwd=$secret +cmd="ssh-add ${id_rsa_path}" +func_remote_execute_cmd() +{ +set timeout 5 +echo "Access Method" +echo "ssh-agent command:$cmd" +expect << EOF +spawn $cmd +expect { + "Enter passphrase for *" {send $passwd\n} + } +expect { + "Bad passphrase*" {puts \"failure\";exit 2} + eof {puts \"success:eof\"\n } + } +catch wait result +puts \$result +exit [lindex \$result 3] +EOF +} +func_remote_execute_cmd + +-- 解决办法：使用yum 执行 yum install -y expect后重新执行预执行命令 +``` + + + +#### 5.2 初始化报libpython.so文件未找到 + +```powershell +# 在预检查过程中，遇到如下一些报错 + +报错一： +[GAUSS-51400] : Failed to execute the command: rm -rf '/tmp/step_preinstall_file.dat'. Result:{'opengauss-node1': 'Failure', 'opengauss-node2': 'Failure'}. +Error: +[FAILURE] opengauss-node1: +[FAILURE] opengauss-node2: + +[GAUSS-52200] : Unable to import module: libpython3.6m.so.1.0: cannot open shared object file: No such file or directory. + +-- 解决办法： +重新编译python,或者在其它已编译该python版本环境将libpython3.6m.so.1.0拷贝到当前服务器/usr/lib64 目录下 +并在/etc/profile里执行 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/python3/bin，并source /etc/profile生效 +``` + +#### 5.3 重新执行预执行失败 + +```powershell +-- 再次执行预执行时会因前一次预执行已创建了一些目录和文件，会导致失败。 +-- 解决办法：可参照xml文件，将除/opt/software/openGauss之外的其它目录和文件，最好将创建的omm用户和dbgrp组删除，重新再执行 +``` + diff --git "a/content/zh/post/\345\260\232\351\233\267/.keep" "b/content/zh/post/\345\260\232\351\233\267/.keep" new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391