[Samba] User names not replicating to secondary DC

durwin at mgtsciences.com durwin at mgtsciences.com
Sat Feb 29 14:08:42 UTC 2020


I missed this email.  Here is the reply.

> Your setup is in consistant. 
> 
> > 127.0.0.1       localhost.localdomain   localhost
> 
> > 127.0.0.1       localhost
> 
> I suggest run my debugscript, make sure the servers there base setup
> is the same. 
> 
> 
> 
> + set both DC's there /etc/resolv.conf 
> search msi.mydomain.com mydomain.com
> 
> # IF THIS IS DC1 
> nameserver 172.23.93.26
> nameserver 172.23.93.25
> nameserver 172.23.93.3

made this change on dc1

> 
> # and for DC0 
> nameserver 172.23.93.25
> nameserver 172.23.93.26
> nameserver 172.23.93.3

made this change on dc0

> 
> But the first resolving it the dc's its one ip. 
> 
> 
> Then reboot them. 
> And then check again. 

Rebooted.  Now samba-tool drs showrepl|less shows consecutive
failures on dc1.  On dc0, zero consecutive failures.

> 
> 
> Greetz, 
> 
> Louis
> 
> 
> > -----Oorspronkelijk bericht-----
> > Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> > Durwin via samba
> > Verzonden: donderdag 27 februari 2020 18:15
> > Aan: Rowland penny
> > CC: samba at lists.samba.org; samba
> > Onderwerp: Re: [Samba] User names not replicating to secondary DC
> > 
> > OS:  Linux dc0 4.15.0-88-generic #88-Ubuntu SMP Tue Feb 11 
> > 20:11:34 UTC 
> > 2020 x86_64 x86_64 x86_64 GNU/Linux
> > OS:  Linux dc1 4.15.0-76-generic #86-Ubuntu SMP Fri Jan 17 
> > 17:24:28 UTC 
> > 2020 x86_64 x86_64 x86_64 GNU/Linux
> > 
> > Ubuntu18.04> samba --version
> > Version 4.7.6-Ubuntu
> > 
> > ===
> > DC0 resolv.conf
> > Ubuntu18.04> less /etc/resolv.conf
> > nameserver 172.23.93.25
> > nameserver 172.23.93.3
> > search msi.mydomain.com mydomain.com
> > ===
> > 
> > DC1 resolv.conf
> > Ubuntu18.04> less /etc/resolv.conf
> > nameserver 172.23.93.25
> > nameserver 172.23.93.3
> > search msi.mydomain.com mydomain.com
> > ===
> > 
> > DC0 hosts
> > 127.0.0.1       localhost.localdomain   localhost
> > ::1             localhost6.localdomain6 localhost6
> > 172.23.93.25    dc0.msi.mydomain.com dc0
> > 
> > # The following lines are desirable for IPv6 capable hosts
> > ::1     localhost ip6-localhost ip6-loopback
> > fe00::0 ip6-localnet
> > ff02::1 ip6-allnodes
> > ff02::2 ip6-allrouters
> > ff02::3 ip6-allhosts
> > ===
> > 
> > DC1 hosts
> > 127.0.0.1       localhost
> > 172.23.93.25    dc0.msi.mydomain.com dc0
> > 172.23.93.26    dc1.msi.mydomain.com dc1
> > 
> > # The following lines are desirable for IPv6 capable hosts
> > ::1     ip6-localhost ip6-loopback
> > fe00::0 ip6-localnet
> > ff00::0 ip6-mcastprefix
> > ff02::1 ip6-allnodes
> > ff02::2 ip6-allrouters
> > ===
> > 
> > Ub18.04> host -t SRV _ldap._tcp.msi.mydomain.com.
> > _ldap._tcp.msi.mydomain.com has SRV record 0 100 389 
> > dc1.msi.mydomain.com.
> > _ldap._tcp.msi.mydomain.com has SRV record 0 100 389 
> > dc0.msi.mydomain.com.
> > ===
> > 
> > 
> > 
> > Anything else needed?
> > 
> > Thank you,
> > 
> > Durwin
> > 
> > > From: "Rowland penny via samba" <samba at lists.samba.org>
> > > To: samba at lists.samba.org
> > > Date: 02/27/2020 09:26 AM
> > > Subject: Re: [Samba] User names not replicating to secondary DC
> > > Sent by: "samba" <samba-bounces at lists.samba.org>
> > > 
> > > On 27/02/2020 15:48, Durwin via samba wrote:
> > > > I have 2 Ububtu DCs.  One acting as a secondary/failover.
> > > You have 2 DCs, one holds all the FSMO roles, the other holds none
> > > >    At one point
> > > > the users were replicated from primary to secondary.
> > > Replication between them used to work.
> > > >    But now they are not
> > > > replicating.
> > > Now it doesn't.
> > > > The output from samba-tool drs showrepl is attached. 
> > What else may I
> > > > provide to aid diagnostics?
> > > > I know Samba does not replicate sysvol 'yet', so rsync is 
> > needed, but 
> > that
> > > > does not seem to contain the users.
> > > Sysvol holds the GPOs (they are also in AD), the user 
> > objects etc are 
> > > only in AD, these are what is replicated between DCs.
> > > 
> > > Going to need a lot more info, OS, Samba version, smb.conf 
> > files etc.
> > > 
> > > Rowland
> > > 
> > > 
> > > 
> > > -- 
> > > To unsubscribe from this list go to the following URL and read the
> > > instructions:  https://lists.samba.org/mailman/options/samba
> > 
> > 
> > 
> > This email message and any attachments are for the sole use of the 
> > intended recipient(s) and may contain proprietary and/or confidential 
> > information which may be privileged or otherwise protected from 
> > disclosure. Any unauthorized review, use, disclosure or 
> > distribution is 
> > prohibited. If you are not the intended recipient(s), please 
> > contact the 
> > sender by reply email and destroy the original message and 
> > any copies of 
> > the message as well as any attachments to the original message.-- 
> > To unsubscribe from this list go to the following URL and read the
> > instructions:  https://lists.samba.org/mailman/options/samba
> > 
> 
> 
> -- 
> To unsubscribe from this list go to the following URL and read the
> instructions:  https://lists.samba.org/mailman/options/samba



This email message and any attachments are for the sole use of the 
intended recipient(s) and may contain proprietary and/or confidential 
information which may be privileged or otherwise protected from 
disclosure. Any unauthorized review, use, disclosure or distribution is 
prohibited. If you are not the intended recipient(s), please contact the 
sender by reply email and destroy the original message and any copies of 
the message as well as any attachments to the original message.


More information about the samba mailing list