[Samba] my samba3+ldap+SSO plan

[tbsky at annsky.com]

>>    although samba3 has PDC/BDC architechture, but it seems need a
>> central
>> wins server. and we don't need a browse list cross sites.
>
> No, this is not a requirement, as each site's 'PDC' can operate with
> reference to the central LDAP infrastructure, without netbios.

   i see. thanks for the hint!! so just configure each samba
   as PDC, right?

>>    my concern is about machine account.i know client machine and server
>> keep a shared seceret. but i don't know if this seceret will
>>    changing over time? or the seceret will keep staic?
>
> It changes over time, and the client will not contact the PDC to make
> that change.  It will ask the local DC it is connected to.
>
>>    and although openldap has replication feature, but multi-master
>>    replication seems experimental and hard to maintain.
>>    we don't need real time replication. are there existing tools for
>>    syncing entries between two ldap servers?
>
> You really should have one master LDAP server, and slaves for all the
> remote sites.  These slaves will only need to contact the master on
> machine account change, adding machines etc.

    but since the machine account password chagne over time, it
allways need to talk to master LDAP, right? what happen if the
wan link break?
and if the machine only talk to slave ldap, then these machines can not
travel arround, since their account password are not stored at other ldap
servers.
    thanks for ur information!!

Best Regards,
tbsky