主机升级了ssh，grid安装过程互信无法验证通过，setup能正常安装成功，手工测试也没有问题，报错如下：
主机信息
解决办法
参考
[INS-06006] Passwordless SSH connectivity not set up between the following node(s): [crmdb1, crmdb2]
主机信息
# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) # ssh -V OpenSSH_8.3p1, OpenSSL 1.1.1h 22 Sep 2020
解决办法
# Rename the original scp. mv /usr/bin/scp /usr/bin/scp.orig # Create a new file </usr/bin/scp>. vi /usr/bin/scp # Add the below line to the new created file </usr/bin/scp>. /usr/bin/scp.orig -T $* # Change the file permission. chmod 555 /usr/bin/scp 安装grid,完成以后修改回来： # mv /usr/bin/scp.orig /usr/bin/scp
参考
GI runInstaller Fails with INS-6006 in VNC During SSH test even though SSH Setup is successful (Doc ID 2070270.1) INS-06006 GI RunInstaller Fails If OpenSSH Is Upgraded to 8.x (Doc ID 2555697.1)