How to load balance SSH logins?

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1

My cluster has multiple login nodes, and an haproxy server which distributes the requests. I wanted to configure OOD to send SSH requests through this haproxy, but OOD must use host based authentication, and I don’t think that can work through a proxy:

userauth_hostbased mismatch: client sends <ood-head-hostname>, but we resolve <haproxy-IP> to <haproxy-hostname>

Does everybody use just one login node? Is this functionality built in to OOD and I overlooked it?

2

I found one solution.
I defined a new host in the central dnsmasq server “login-node-round-robin” and I made duplicate entries for it pointing to each of the login nodes.

3

Thanks Simon.

Yes. DNS Round Robin would be a way to do it.

Thanks,
-gerald

4

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