[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 ?

Rowland





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