"Latrous, Youssef" <YLatrous@xxxxxxxxxxxxxxxx> writes: > 1) Why one of the segments has a different SYSID (knowing that all WAL > segments are originating from the same node)? They aren't. Somewhere you've got WAL segments slipping in from a different database cluster. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general