[Samba] Service Winbind stopped, what could be the reason ?

[Rowland penny]

On 28/04/2020 15:35, Edouard Guigné via samba wrote:
> Hello dear Samba users,
>
> I recently faced an issue with samba (4.10.4) and winbind.
> The winbind service was stopped, so no user can acces to my samba share.
> I restart the winbind service, and all users can access to the share as usually...
> But I would like to understand why this issue occured.
>
> My samba server is a centos 7 linux, configured as domain member to a microsoft AD (windows server 2012 R2).
> All services (samba, winbind) are in automatic, started with linux start, and should always remained started.
>
> In winbindd.log, there are many entries like :
> [2020/04/27 08:20:14.167335, 1] ../source3/lib/util.c:1700(name_to_fqdn)
> getaddrinfo: Échec temporaire dans la résolution du nom
>
> On my Centos 7 samba server, the DNS resolution works only for fulled qualified name :
> ping workstation1
> ping: workstation1 : Échec temporaire dans la résolution du nom
> but
> ping workstation1.mydomain.fr
> 64 bytes from workstation1!.mydomain.fr (10.9.x.x): icmp_seq=1 ttl=127 time=1.58 ms
> 64 bytes from workstation1!.mydomain.fr (10.9.x.x): icmp_seq=2 ttl=127 time=1.33 ms
> 64 bytes from workstation1!.mydomain.fr (10.9.x.x): icmp_seq=3 ttl=127 time=1.04 ms
>
> Can it be the explanation why winbind has stopped ?
>
> Do I have to add "domain=mydomain.fr" in /etc/sysconfig/network-scripts/ifcfg-eth0 of my centos 7 server network adapter ?
> May it help Winbind for DNS resolving ?
>
> Best Regards,
> Ed

Please post your smb.conf and /etc/resolv.conf

You must be able to ping any domain machine by short hostname, FQDN or IP.

Rowland