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In the installation guide, there is a requirement in configuration:Keyless SSH set up between all nodes, question is : About "Keyless SH set up", does need to set up on each node? If wants to deploy a big cluster, it looks not convenient enough. Do we have other way to complete this requirement? another question is : Is there any method to valid installation? |
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Keyless SSH is required for some API's needed for the UI and in cases where you need to do a support dump generation or rolling upgrade of the cluster etc. You can run jobs on the cluster without the SSH setup. 'Validation' can mean multiple things. But quick way would be to check the UI and see if all nodes show up and appear in green in the heatmap. |
