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This article mainly introduces "what to do when you modify the ssh port when installing ORACLE RAC so that CRS cannot be installed". In the daily operation, I believe that many people have doubts about how to install ORACLE RAC because of modifying the ssh port when installing CRS. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubt that "when installing ORACLE RAC, modifying the ssh port leads to CRS cannot be installed". Next, please follow the editor to study!

For security reasons, the server's ssh port has been changed from the default 22 to 22222.

During the installation of RAC, there is mutual trust among oracle users, but it cannot be connected directly through ssh. You must add-p 22222 to it.

This will cause the verification to fail when installing crs, as shown in:

Caught Cluster ExceptionPRKC-1044: Failed to check remote command execution setup for node tgdb1 using shells / usr/bin/ssh and / usr/bin/rsh

Tgdb1: Connection refused

[PRKC-1044: Failed to check remote command execution setup for node tgdb1 using shells / usr/bin/ssh and / usr/bin/rsh

Tgdb1: Connection refused]

[PRKC-1044: Failed to check remote command execution setup for node tgdb1 using shells / usr/bin/ssh and / usr/bin/rsh

Tgdb1: Connection refused

[PRKC-1044: Failed to check remote command execution setup for node tgdb1 using shells / usr/bin/ssh and / usr/bin/rsh

Tgdb1: Connection refused]]

It seems that oracle is a direct ssh command and does not add-p 22222, which leads to the illusion that nodes cannot communicate with each other.

Solution:

Modify / etc/service

Put ssh 22222/tcp # SSH Remote Login Protocol among them

The port of 22222 is modified to solve the problem.

At this point, the study on "what to do when you modify the ssh port when installing ORACLE RAC so that CRS cannot be installed" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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