[Samba] R: demote old dc
Corrado Ravinetto
corrado.ravinetto at lanificiocerruti.com
Mon Jan 2 15:24:05 UTC 2023
Thanks a lot Rowland
Happy New Year 😊
-----Messaggio originale-----
Da: samba <samba-bounces at lists.samba.org> Per conto di Rowland Penny via samba
Inviato: lunedì 2 gennaio 2023 16:12
A: samba at lists.samba.org
Cc: Rowland Penny <rpenny at samba.org>
Oggetto: Re: [Samba] demote old dc
On 02/01/2023 14:46, Corrado Ravinetto via samba wrote:
> Happy new year at all
>
> I sould substitute an old dc wiht this parameters in smb.conf
No
> [global]
> dns forwarder = 192.168.1.1
> os level = 250
> passdb backend = samba_dsdb
> realm = LXCERRUTI.COM
> server role = active directory domain controller
> template homedir = //srvcerruti/Cerruti/usr/%U
> workgroup = LXCERRUTI
> rpc_server:tcpip = no
> rpc_daemon:spoolssd = embedded
> rpc_server:spoolss = embedded
> rpc_server:winreg = embedded
> rpc_server:ntsvcs = embedded
> rpc_server:eventlog = embedded
> rpc_server:srvsvc = embedded
> rpc_server:svcctl = embedded
> rpc_server:default = external
> winbindd:use external pipes = true
> idmap_ldb:use rfc2307 = yes
> idmap config * : backend = tdb
If you do have a DC with all those lines it is wrong, most of them are defaults, unless you obtained them with 'testparm -s' rather than 'samba-tool testparm'.
>
> the new one have :
> [global]
> netbios name = DC4
> realm = LXCERRUTI.COM
> server role = active directory domain controller
> workgroup = LXCERRUTI
> idmap_ldb:use rfc2307 = yes
> dns update command = /usr/local/samba/sbin/samba_dnsupdate --use-samba-tool
> os level = 250
You do not use 'os level' on a Samba AD DC, it is an NT4-style parameter.
> min protocol = NT1
> client min protocol = NT1
Talking of which, why are you still using 'NT1' ?
> dns forwarder = 192.168.1.1
> template homedir = //srvcerruti/Cerruti/usr/%U
That is just wrong, the default is 'template homedir = /home/%D/%U', you seem to be trying to use a share on another computer, this will not work.
>
> my question is : i must merge two smb.conf or i can use the new one ???
As pointed out, it very likely they are using the same basic smb.conf files, apart from the mangling you appear to have carried out. I would use the new one after you have repaired it.
> Two dc are in replica whitout problem, can i demote old dc or should i expect toruble ??
Provided the 'new' DC now holds the FSMO roles, you should be able to demote the old one.
Rowland
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