[389-users] Re: Can't locate CSN - replica issue

On 6/17/21 12:58 PM, Marco Favero wrote:
>> On 6/17/21 10:55 AM, Marco Favero wrote:
>>
>> Hi Marco,
>>
>> good to know you fixed the issue. If I read you correctly you fixed it
>> via setting nsDS5ReplicaHost=FQDN of the consumer host in the
>> replication agreement supplier->consumer. What is surprising is that it
>> was working before with a non fqdn and suddenly stopped working.
> Hi Thierry,
> not really, sorry, maybe I didn't explain well. I set the "full_machine_name" in dscreate with the fqdn of the host runnig the 389ds in place of the fqdn of the balancer ip.
> It's the nsslapd-localhost parameter, I suppose.
>
>> With recent versions, this problem is either transient (a supplier does
>> not know a CSN showed by the consumer but another supplier that knows
>> this CSN will eventually update the consumer), either permanent (the
>> consumer got offline longer than changelog maxage) and you may need to
>> reinit the consumer.
> I still have this issue. Are there conditions that determine this issue yet?
> It's as you describe: the only way to exit from that situation is the reinitialization.
>
> I have three multimaster each other:
>
> rh1
> rh2
> rh5
>
> rh has also a scheduled agreement to dr-rh1. So, dr-rh1 is a consumer from rh1.
>
> All is working fine. When I initialize rh1 from rh5, then the replica rh1 --> dr-rh1 stops to work and says "Error (18) Can't acquire replica (Incremental update transient warning. Backing off, will retry update later.)". Log claims that can't find a CSN. All other replica are fine.

Doing reinit rh5->rh1, changelog of rh1 gets reset. If for some reason
dr-rh1 was late compare to rh5, it is normal that rh1 can no longer
update dr-rh1. Did you setup a RA rh5->dr-rh1 ?

thanks
thierry


>
> So I have to reinitialize rh1 --> dr-rh01.
>
> Thank you very much
> Warm Regards
> Marco
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