Failback behaviour in 2 instance MMR config

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Hi all, hope someone might be able to help with this question.

I've configured two 389-DS servers each on a Centos 6.7 server and successfully configured MMR between them - all working well with 'always keep in synch' configured.

However, I'm uncertain how to configure the failback behaviour for my LDAP client - specifically:

I configure my client to bind to instance 1 and failover to instance 2 if instance 1 becomes unavailable
If after failover, instance 1 is brought back up some time later, then If I configure my client to automatically fail back to instance 1 when it detects it as available is there a risk that LDAP operations will commence against instance 1 before replication has completed from instance 2 to instance 1?

If so, are there any ways to avoid this so that reading/writing stale data can be avoided.

Many thanks,
Bernie
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