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Re: [Samba] unexplained Replication failures...?

Hi Vincent,

I'm running in circles trying to debug replication failures on samba 4.7.6:

dc00 : is a VM on KVM host (attached to a bridge on local LAN)
dc01 : is a similarly configured VM on another KVM host.

I've forcibly demoted and re-promoted dc01 but I still cannot get
automatic replication to work:

root@dc00 ~]# samba-tool drs showrepl
DSA Options: 0x00000001
DSA object GUID: 204cb904-754b-4457-af09-9347f8714006
DSA invocationId: b72fc409-bf9a-45e2-a623-0e668386536a


        Krynn\DC01 via RPC
                DSA object GUID: 9ac5b74a-383a-4336-9c5d-978b45bad9c9
                Last attempt @ Thu May  3 18:50:52 2018 EDT failed,
                4 consecutive failure(s).
                Last success @ NTTIME(0)

All of these show 'Last success @ NTTIME(0)'.

I can force replication manually just fine but automatic replication
doesn't seem to work.

[root@dc00 ~]# samba-tool dbcheck
Checking 351 objects
Checked 351 objects (0 errors)
[root@dc00 ~]# samba-tool drs replicate DC01 DC00
dc=ad,dc=lasthome,dc=solace,dc=krynn --sync-forced --full-sync
Replicate from DC00 to DC01 was successful.

if you need a --sync-forced --full-sync to have replication working, then actually it is not working. Try to restart samba with "log level = 9" in smb.conf and look for the few last message of the replication process, it should give you a bit more information about the issue.



Any ideas?


Denis Cardon
Tranquil IT Systems
Les Espaces Jules Verne, bâtiment A
12 avenue Jules Verne
44230 Saint Sébastien sur Loire
tel : +33 (0)

Samba install wiki for Frenchies : https://dev.tranquil.it
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