GaussDB T数据库重装报错Error: Database has been installed already

问题描述

再进行GaussDB T数据库重装时报错：Database has been installed already.

[root@pr7 omm]# cd /opt/software/GaussDB_100_1.0.1-DATABASE-REDHAT-64bit[root@pr7 GaussDB_100_1.0.1-DATABASE-REDHAT-64bit]# python install.py -U omm:dbgrp -R /opt/gaussdb/app -D /opt/gaussdb/data -C  LSNR_ADDR=127.0.0.1,192.168.1.187 -C LSNR_PORT=1888 -C DATA_BUFFER_SIZE=200M -C SHARED_POOL_SIZE=100M -C TEMP_BUFFER_SIZE=100M Checking runner.
Checking parameters.
End check parameters.
Checking user.
End check user.
Checking old install.
Error: Database has been installed already.
Please refer to install log "/home/omm/zengineinstall.log" for more detailed information.

专家解答

检查安装日志：/home/omm/zengineinstall.log

[omm@pr7 ~]$ cat zengineinstall.log 
[2019-12-30 03:41:16] Begin init...
[2019-12-30 03:41:16] Installer runs on python version : 2.7.5
[2019-12-30 03:41:16] End init
[2019-12-30 03:41:16] Using run file as : /opt/software/GaussDB_100_1.0.1-DATABASE-REDHAT-64bit/GaussDB_100_1.0.1-RUN-REDHAT-64bit.tar.gz
[2019-12-30 03:41:16] Checking runner.
[2019-12-30 03:41:16] Check runner user id and group id is : 0, 0
[2019-12-30 03:41:16] End check runner is root
[2019-12-30 03:41:16] Checking parameters.
[2019-12-30 03:41:16] Program path is separated with data path!
[2019-12-30 03:41:16] Using omm:dbgrp to install database
[2019-12-30 03:41:16] Using install program path : /opt/gaussdb/app
[2019-12-30 03:41:16] Using option : all
[2019-12-30 03:41:16] Using install data path : /opt/gaussdb/data
[2019-12-30 03:41:16] Using set config parameters : ['LSNR_ADDR=127.0.0.1,192.168.1.187', 'LSNR_PORT=1888', 'DATA_BUFFER_SIZE=200M', 'SHARED_POOL_SIZE=100M', 'TEMP_BUFFER_SIZE=100M']
[2019-12-30 03:41:16] End check parameters.
[2019-12-30 03:41:16] Checking user.
[2019-12-30 03:41:16] Check user cmd: id -g omm | grep -q -w 0
[2019-12-30 03:41:16] Check user cmd: id -gn omm
[2019-12-30 03:41:16] End check user.
[2019-12-30 03:41:16] Checking old install.
[2019-12-30 03:41:16] Using user profile : /home/omm/.bashrc
[2019-12-30 03:41:16] Error: Database has been installed already.

发现在读取/home/omm/.bashrc文件后立即报错，查看文件内容：

[omm@pr7 ~]$ cat /home/omm/.bashrc
# .bashrc
# Source global definitions
if [ -f /etc/bashrc ]; then
        . /etc/bashrc
fi
# Uncomment the following line if you don't like systemctl's auto-paging feature:
# export SYSTEMD_PAGER=
# User specific aliases and functions
export GSDB_HOME="/opt/gaussdb/app"
export PATH="/opt/gaussdb/app/bin":$PATH
export LD_LIBRARY_PATH="/opt/gaussdb/app/lib":"/opt/gaussdb/app/add-ons":$LD_LIBRARY_PATH
export GSDB_DATA="/opt/gaussdb/data"

发现有一些环境变量设置，检查install.py文件发现有逻辑表示如果发现有设置相关变量，直接报错：

        if isFind:
            logExit("Database has been installed already.")

所有把/home/omm/.bashrc中的变量设置去掉即可。