[Freeipa-users] replication again :-(

[Janelle]

On 5/19/15 12:04 AM, thierry bordaz wrote:
> On 05/19/2015 03:42 AM, Janelle wrote:
>> On 5/18/15 6:23 PM, Janelle wrote:
>>> Once again, replication/sync has been lost. I really wish the 
>>> product was more stable, it is so much potential and yet.
>>>
>>> Servers running for 6 days no issues. No new accounts or changes 
>>> (maybe a few users changing passwords) and again, 5 out of 16 
>>> servers are no longer in sync.
>>>
>>> I can test it easily by adding an account and then waiting a few 
>>> minutes, then run "ipa  user-show --all username" on all the 
>>> servers, and only a few of them have the account.  I have now waited 
>>> 15 minutes, still no luck.
>>>
>>> Oh well.. I guess I will go look at alternatives. I had such high 
>>> hopes for this tool. Thanks so much everyone for all your help in 
>>> trying to get things stable, but for whatever reason, there is a 
>>> random loss of sync among the servers and obviously this is not 
>>> acceptable.
>>>
>>> regards
>>> ~J
>>

All the replicas are happy again. I found these again:

unable to decode  {replica 16} 55356472000300100000 55356472000300100000
unable to decode  {replica 23} 5553e3a3000000170000 55543240000300170000
unable to decode  {replica 24} 554d53d3000000180000 554d54a4000200180000

What I also found to be interesting is that I have not deleted any 
masters at all, so this was quite perplexing where the orphaned entries 
came from.  However I did find 3 of the replicas did not show complete 
RUV lists... While most of the replicas had a list of all 16 servers, a 
couple of them listed only 4 or 5. (using ipa-replica-manage list-ruv)

Once I re-initialized --from servers that showed the correct RUVS 
everyone is happy again. I have tested replication by creating and 
deleting accounts, changing group members and a few other things. 
Everything is working fine.  I have enabled additional logging.

Now we wait and when it happens again, hopefully we have something.

thanks
~Janelle

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