[Samba] Questions about 2n dc and samba update

[Trenta sis]

Thanks Rowland!!!

Missatge de Trenta sis <trenta.sis at gmail.com> del dia dj., 5 de set.
2019 a les 11:52:
>
> Hi,
>
> Thanks for your information about DNS config.
> About second server and update, I understand that First I have to
> transfer role to new added, demote old, and then rejoin and transfer
> fsmo roles to source server, right?
> My question is related with demote and transfer FSMO roles, this task
> are stable and works correct? I'm not clear to demote main server, now
> with 4.4.5 because no rolback direct  in case of failure...
>
> Our actual 4.4.5 has multiple cpu problems, added 4vcpus but is an old
> version with singe process... My question is if adding second server
> and if will generate many cpu usage to replicate, all day or only
> during initial sync... to 4.10.7
>
> thanks!
>
>
> Missatge de Trenta sis <trenta.sis at gmail.com> del dia dj., 5 de set.
> 2019 a les 10:37:
> >
> > Hi,
> >
> > I have to upgrade 2 different samba AD DC (2 domains) from 4.4.5 to 4.10.7
> >
> > First is a single server and updaded with in-place upgrade from 4.4.5
> > to 4.10.7 and all perfect
> >
> > Second environment I need to add a second dc and also upgrade existing
> > server, and I have some question about how to do this:
> > - join second domain server with 4.10.7
> > - then make in place upgrade on existing server dc1?
> >
> > reading wiki I'm not sure if rejoin is needed or not, as I have
> > described recently I have update an existing 4.4.5 (also fileserver)
> > with in-place method and all weems to work...
> >
> > About second domain controller I have question bout dns config,
> > reading wiki amb not clear about what is the suggested
> > /etc/resolv.conf on both dc
> >
> > dc1
> > dc1 ipdc1
> > dc2 ipdc2
> >
> > dc2
> > dc2 ipdc2
> > dc1 ipdc1
> >
> >
> > or
> > dc2
> > dc1 ipdc1
> > dc2 ipdc2
> >
> > dc1
> > dc2 ipdc2
> > dc1 ipdc1
> >
> > Thanks!