Hello! Running postgresql 8.2.5 (build from source on debian testing, amd64) i run into following error when running "vacuum full analyze": ERROR: invalid page header in block 1995925 of relation "data_pkey" The database was freshly initialized and contains around 1.4 billion records in the main table (the data). Any ideas what to do next? Vlad ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq