I recently added two new nodes to an existing 2-node RAC cluster, bringing the total nodes to 4.
After the installer completed, with more than a few errors along the way I might add, I had ASM running on just 3 nodes….
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Solving INS-06006: Passwordless SSH connectivity during Oracle 19c RAC install
I was recently installing Oracle 19c RAC on a pair of servers running OEL8 UEK.
During the install of Grid Infrastructure the installer repeatedly failed the verification check stating that:
“[INS-06006] Passwordless SSH connectivity not set up between the following nodes(s)”
It is worth remembering that Oracle offers a relatively simple method to set up passwordless ssh connections between machines, which I had used prior to trying to install RAC:
In the Grid Infrastructure directory there is a script called sshUserSetup.sh
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