Hi , all the installation of the BDR according to the documentation: https://wiki.postgresql.org/wiki/BDR_Packages I have set the following parameters: max_replication_slots = 3 max_wal_senders = 4 wal_level = 'logical' track_commit_timestamp = on shared_preload_libraries = 'bdr' max_worker_processes = 10 bdr.connections = 'master2' bdr.master2_dsn = 'dbname = master user = postgres port = 5432' with this package : postgresql-bdr94-server-9.4.1_bdr2-1_2ndQuadrant.el7.centos.x86_64 postgresql-bdr94-2ndquadrant-redhat-1.0-2.noarch postgresql-bdr94-9.4.1_bdr2-1_2ndQuadrant.el7.centos.x86_64 postgresql-bdr94-contrib-9.4.1_bdr2-1_2ndQuadrant.el7.centos.x86_64 postgresql-bdr94-libs-9.4.1_bdr2-1_2ndQuadrant.el7.centos.x86_64 postgresql-bdr94-bdr-0.9.0-1_2ndQuadrant.el7.centos.x86_64 But when try startup , not workin the BDR : < 2015-03-30 15:57:53.957 PYT >LOG: registering background worker "bdr supervisor" < 2015-03-30 15:57:53.957 PYT >WARNING: unrecognized configuration parameter "bdr.connections" < 2015-03-30 15:57:53.957 PYT >WARNING: unrecognized configuration parameter "bdr.master2_dsn" < 2015-03-30 15:57:53.978 PYT >LOG: redirecting log output to logging collector process what is the problem ? Regards ! Christian Vazquez SR DBA -- View this message in context: http://postgresql.nabble.com/unrecognized-configuration-parameter-bdr-connections-tp5843957.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general