Thursday , March 28 2024

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

When running Database Configuration Assistant (dbca) on Exadata compute nodes, you will receive this error if all nodes cannot connect to each other without password for oracle user.

Error

The error message will be as follows:

“[INS-06006] Passwordless SSH connectivity not set up between the following node(s) , node1,node2,node3….”

Solution

All nodes must be able to connect to other nodes using passwordless ssh connection.

The following actions can be taken to resolve this issue.

Create SSH Key

First of all, if there is no ssh key in the relevant nodes, ssh key must be created with oracle user with the command below.

Create a file that includes Host names

A file named dbs_group must be created containing all compute node host names.

The contents of the dbs_group file should be similar to the following.

Configure Passwordless SSH Connections

Configure the passwordless ssh connection between your current node and other nodes.

Sample output:

Note: The above operation must be repeated on all nodes specified in the error.

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