On 11/06/2013 04:16 AM, Rob Crittenden wrote: > >> >>>> >>>>> 5. If I have a network like this: >>>>> >>>>> A1______B1 >>>>> A2 B2 >>>>> >>>>> A2 and B1,2 are replicated from A1 >>>>> >>>>> If the connection gets lost between A and B site, are B1 and 2 (and >>>>> A1,2) replicated fine? >>>> I assume from the above that B1 does not know about B2 (and vice >>>> versa)? >> >> Well, that is actually one of the questions. B1 and B2 are on the same >> sites and failover nodes from point of view of clients. > > You can manage the replication topology with ipa-replica-manage > connect and disconnect. So if you want B1 and B2 connected you can do > that. > >> >>>> Once connectivity between sites A and B restored, all unreplicated >>>> data >>>> will be replicated. There could be conflicts if there were changes on >>>> both sides during the split but majority of them are solved >>>> automatically by 389-ds. >> >> The main question is that B1 and B2 are not replicated to each other >> automatically? What about the case if >> >> A1 -- replication -- A2 --- replication --- B1 -- replication -- B2 >> >> If B1 gets destroyed, how B2 and A2 (and A1) gets synchronized? >> Especially automatically...? >> Is there such a failover configuration? > > No, the masters only replicate to the ones you tell them to, so if B1 > went away forever then B2 would never get any other updates unless you > explicitly made a connection to A1 or A2.
Can the replication agreement be circular? *A2*-A1-B1-B2-*A**2*? Thanks, tamas
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