On Fri, Aug 9, 2013 at 8:55 AM, Quentin Hartman <qhartman@xxxxxxxxxxxxxxxxxxx> wrote: > 2013-08-08 23:47:30 GMT LOG: WAL file is from different database system > 2013-08-08 23:47:30 GMT DETAIL: WAL file database system identifier is > 5909892614333033983, pg_control database system identifier is > 5909892824786287231. It looks that you are not able to detect valid checkpoint records when replaying WAL because your new system has been initialized with a fresh initdb, symbolized by the errors above. You should build your new node using a base backup or a snapshot of the data folder of the node you are trying to replace. -- Michael -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general