[Samba] Floating IP breaks AD replication

Rowland penny rpenny at samba.org
Mon Nov 23 18:03:09 UTC 2020

On 23/11/2020 17:54, Sven Wick via samba wrote:
>> Your DC's really should have fixed IP's
> Well, they have.
> But there are still projects
> which can not use multiple DNS Names.
> e.g.
> - https://gitlab.com/gitlab-org/gitlab/-/issues/139
> - https://github.com/go-gitea/gitea/issues/6898
Those refer to ldap, not Samba AD, which whilst it is a form of ldap, it 
isn't an ldap like oOpenldap.
> So I use an additional floating IP
>> I cannot recommend anyone using your method
> Why not? Even if AD replication is quite robust
> concerning multi master
> this setup enforces that manual changes
> are done only by one DC not on separate DCs
One of the outstanding problems that Samba has, it cannot sync Sysvol 
between AD DC's. Do you not think we would use CTDB to sync Sysvol if it 
was possible ?


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