[Samba] samba_dlz shutting down on named reload

[Rowland Penny]

On Tue, 9 Jan 2018 15:34:32 +0000
Kristján Valur Jónsson via samba <samba at lists.samba.org> wrote:

> Hello there.
> I´ve been having problems with dynamic dns update by dhcp on my samba
> ADDC running on CentOS 7 on an RPI2.  After a while, the
> dhccp_dyndns.sh stops stops being able to authenticate with named.
> for the longest time I was stumped with this, exploring all kinds of
> kerberos issues, but found out that *restartint* named did resolve the
> issue.
> 
> I have finally traced this problem down to a *reload* of named.conf,
> that occurs as part of a logrotate.  When I issue "*systemctl reload
> named*" I get this log:
> 
> ...
> Jan 09 15:28:52 dc03.rvx.is named[15585]: reloading configuration
> succeeded Jan 09 15:28:52 dc03.rvx.is named[15585]: reloading zones
> succeeded Jan 09 15:28:52 dc03.rvx.is named[15585]: all zones loaded
> Jan 09 15:28:52 dc03.rvx.is named[15585]: *samba_dlz: shutting down*
> Jan 09 15:28:52 dc03.rvx.is named[15585]: running
> Jan 09 15:28:52 dc03.rvx.is systemd[1]: Reloaded Berkeley Internet
> Name Domain (DNS).
> 
> This breaks the system and dhcp_dyndns.sh stops working.
> 
> I can get it working again by *restarting * named:
> "*systemctl restart named*"
> 
> ...
> Jan 09 15:31:18 dc03.rvx.is named[15974]: zone localhost/IN: loaded
> serial 0 Jan 09 15:31:18 dc03.rvx.is named[15974]: all zones loaded
> Jan 09 15:31:18 dc03.rvx.is named[15974]: running
> Jan 09 15:31:18 dc03.rvx.is systemd[1]: Started Berkeley Internet Name
> Domain (DNS).
> 
> 
> I'r running the latest samba 4.7.4 built from sources.
> 
> Has anyone seen this before?
> 

I haven't, but then I have 'service bind9 reload'
in /etc/logrotate.d/bind

It looks like this could be a systemd problem (note: I say 'could be')

Rowland