It looks like our duplicates have some "internal" source, it source is not a 
client system, but one of our IPA servers.
Is it possible to get such duplicate records in combination of replication 
"multipath" and some clock skew (it is not ideally synchronized because of very 
big distances between sites)?

WBR,
Alexander Frolushkin
Cell +79232508764
Work +79232507764

From: freeipa-users-boun...@redhat.com 
[mailto:freeipa-users-boun...@redhat.com] On Behalf Of Ludwig Krispenz
Sent: Tuesday, June 16, 2015 3:52 PM
To: freeipa-users@redhat.com
Subject: Re: [Freeipa-users] replication conflicts


On 06/16/2015 11:42 AM, Alexander Frolushkin wrote:
Hello.
Just to remind if somebody still not familiar with our IPA installation :)
We currently have 18 IPA servers in domain, on 8 sites in different regions 
across the Russia.
And now, our new problem.
Regularly we getting a nsds5ReplConflict records on some of our servers, very 
often on servers from specific site. Usually it is simply a doubles and we can 
remove the renamed change to get everything back. But why do we have them at 
all?
May be someone could explain, how we can detect the cause of this replication 
conflicts?
if you are talking about having two "duplicate" entries,
one: uid=xxxxx,<suffix>
one: nsuniqueid=nnnnnnnn+uid=xxxxx,<suffix>

these entries appear if the entry uid=xxxxx was added, simultaneously, on two 
servers. I think this can happen if a client tries to add an entry and if it 
doesn't get a response in some time retries on another server.
to find out which client this is you need to check on which servers the entries 
were originally added and then see which client was doing it

Sometime it is moderately harmful, because, for example HBAC stops working on 
specific server while doubles still present.
Thanks in forward...

WBR,
Alexander Frolushkin
Cell +79232508764
Work +79232507764


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