[Samba] replication fails
L.P.H. van Belle
belle at bazuin.nl
Wed Mar 13 10:55:34 UTC 2019
Hai,
Ok, so the reboot changed your resolv.conf
check the timestamp of /etc/resolv.confs
Write this down.
> So I assume it should point to the own IPv4-IP of DC1 itself,
> which is .205
Yes correct.
After that reboot the server.
Check the timestamp again and/or did it change?
Now the hunt for the resolv.conf change.
cat /etc/network/interfaces
If you have dns-nameserver these are picked up with systemd-resolved.
Or by package: resolvconf
Run these:
networkctl status
systemd-resolve --status
Show the output.
Other options:
Server with dhcp ip?
echo 'make_resolv_conf() { :; }' > /etc/dhcp/dhclient-enter-hooks.d/leave_my_resolv_conf_alone
chmod 755 /etc/dhcp/dhclient-enter-hooks.d/leave_my_resolv_conf_alone
Or edit /etc/dhcp/dhclient.conf
supersede domain-name "example.com";
supersede domain-search "example.com";
supersede domain-name-servers 127.0.0.1;
One of above is your fix. ;-)
A last resort fix is :
rm -f /etc/resolv.conf
editor /etc/resolv.conf
chattr +i /etc/resolv.conf
But i dont like that, its up2you.
Greetz,
Louis
> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens
> Stefan G. Weichinger via samba
> Verzonden: woensdag 13 maart 2019 11:44
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] replication fails
>
> Am 13.03.19 um 11:33 schrieb Stefan G. Weichinger via samba:
>
> > where does that come from ... everything was fine last time
> we checked
> > ... very frustrating
>
> I mean, replication worked fine for a month or so already. And afaik
> there were no changes on the DCs (maybe unattended debian-upgrades).
>
> DC1 has:
>
> nameserver 192.168.16.111
> search my.tld
>
> .111 is the router/fw to WAN ... for forwarding DNS, but this
> should be
> covered with smb.conf already:
>
> dns forwarder = 192.168.16.111
>
> -
>
> So I assume it should point to the own IPv4-IP of DC1 itself,
> which is .205
>
> But I don't understand yet if the mistake is on DC1 and/or
> DC2 so I wait
> with further changes.
>
> prod machines, you know.
>
> Maybe resolv.conf was changed by some automation script here,
> could be,
> can't bet right now.
>
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