[HELP] Query regarding logical replication slot

Hello,

I'm running Postgres9.6 and configured master/slave with synchronous
replication (synchronous_commit set to remote_apply) .
In addition to that I have one logical replication slot on master. When
master fails and one of the slaves is promoted to master, how can I have
that logical replication slot and LSN on the slave ?

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*Regards,*

*K S Praveen Kumar*