[INS-06006] Passwordless SSH connectivity not set up between the following node(s): [racnode2]

When attempting to configure 19c grid infrastructure on Linux 8 by running gridSetup.sh the following error occurs in SSH connectivity step:

[INS-06006] Passwordless SSH connectivity not set up between the following node(s): [racnode2]

Even after manually setup SSH equivalence successfully, the error still exists and user cannot continue the GI installation and configuration.

SOLUTION

Apply patch 30159782 before run “gridSetup.sh”, see (Doc ID 1410202.1) for how to apply OneOff patch before run “gridSetup.sh”.

OR

apply the RU or higher where the fix for 30159782.8 is included

OR

Before installation, as root user: (please change the path if the location of your "scp" is not the same with below)

# 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

After installation:
mv /usr/bin/scp.orig /usr/bin/scp