[omm@db1 ~]$ gs_install -X /opt/software/openGauss/cluster_config.xml --gsinit-parameter="--locale=zh_CN.utf8"
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.
[GAUSS-51400] : Failed to execute the command: source /home/omm/.bashrc;python3 '/opt/huawei/install/om/script/local/CheckInstall.py' -U omm:dbgrp -R /opt/huawei/install/app -l /var/log/omm/omm/om/gs_local.log -X /opt/software/openGauss/cluster_config.xml.Error:
Checking old installation.
[GAUSS-51806] : The cluster has been installed.

在这之前，已经清理了安装的目录，包含：

rm -rf /root/gauss_om

rm -rf /opt/huawei

rm -rf /opt/software/openGauss

并重建了

mkdir -p /opt/software/openGauss

下载了安装包。

且删除了 omm的log

rm -rf /var/log/omm

删除了omm用户：

userdel omm

重新preinstall也是成功的：

但是切换到omm用户,执行安装就报这个错：

他是怎么去找老版本的？不是都删了吗？