In a 'standard' freeipa setup with two freeipa masters that provide
authoritative DNS for a zone (in this instance using the named-pkcs11
bind version) and no other DNS slaves:
When an IP address is changed in freeipa DNS for a host:
Question 1: Does the 'notify' feature of bind9/named from one machine
to the other accomplish any actual value (TTL related or otherwise)
given they both rely on bind-dyndbldap and as such the dns change is
migrated via ldap? In other words, would any performance suffer if I
just turned off notifies among the freeipa masters?
Question 2: What is the sequence of operations when an IP address is
changed in freeipa? I expect it would be the first ldap db gets
updated, then the replicas ldap dbs get updated, then after all ldaps
are updated each of them tells 'their respective' bind instances to
update. Yes? No?
Thanks!
Harry Coin
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