I have built a 4 node environment in which all 4 servers have CA and domain
replication via a tight-cell topology.
I have some questions about redundancy and failover.
1. How are user logins affected if my master dies?
2. I understand that sssd has some built-in failover capabilities but is
there anything that I need to do on the DNS SRV records for ldap and
kerberos?
3. Is failover even a thing for krb5/ldap services since they're
replicating?
Overall, I would like some detail about what to do and how, when my master
goes down? I see a decent amount of information about how to set it all up
but how do I actually make use of it in the event of server failure?
Any in-depth docs/info on this topic would be appreciated.
Thanks in advance.
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