On Thu, Apr 12, 2012 at 9:20 AM, Ivan Evtuhovich <evtuhovich@xxxxxxxxx> wrote: > Hello, > > More then month ago we upgrade DB from 9.0 to 9.1 with pg_upgrade. Then we > move DB to another server with standard pg streaming replication. > > Now we have two entries with the same primary key. And I do not know what to > do. > > SELECT ctid, id from billing_invoices where id = 27362891; > > ctid | id > --------------+---------- > (1112690,11) | 27362891 > (1112438,26) | 27362891 > Per some off-list conversation with Ivan, this is only happening on the standby. Ivan, what's the precise version of postgres you are using? When you first went to hs/sr? I bet your clog files are out of whack (and if so, probably upgrading to recent bugfix postgres and standby resync is the correct course of action). merlin -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general