On 24 Červenec 2011, 6:09, Yan Chunlu wrote: > thanks for all the help! > > @Adrian: yes, only one instance on each machine > > not the slave finally started and could be connect, replication didn't > begin, just following errors: > https://gist.github.com/1102225 These errors just mean the master already removed WAL segments, so the slave can't actually start the replication because there'd be a gap. This usually happens with enough write activity (inserts, updates) when the slave is being setup. Whaht is your wal_keep_segments value? Increase it or set up WAL archiving, so that the slave can get the data. Tomas -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general