Eoghan Murray <eoghanomurray@xxxxxxxxx> writes: > How can I migrate a database from 8.4 to 8.3? The only way is to dump to text (no -Fc or -Ft) with 8.4's pg_dump, and then manually edit the file until 8.3 will take it. > 8.3: pg_restore: [archiver] input file does not appear to be a > valid archive It's possible here that your only mistake was using -Fc. That format isn't necessarily backwards-compatible. 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