BTW you have data corruption. So forget your problem about concurrent updates ; that's not the clue. Your new question should be how to recover corrupted table. Sorry, I've no skill for that problem other that "how ran your backups/archivelogs ?" ----- Mail original ----- De: wambacher@xxxxxxxxx À: pgsql-admin@xxxxxxxxxxxxxxxxxxxx Envoyé: Mardi 28 Août 2018 15:04:14 Objet: Re: tuple concurrently updated pg_dump not completed: pg_dump: Ausgabe des Inhalts der Tabelle »planet_osm_line« fehlgeschlagen: PQgetResult() fehlgeschlagen. pg_dump: Fehlermeldung vom Server: FEHLER: unexpected chunk number 0 (expected 1) for toast value 1261719035 in pg_toast_1340113 anything else i can do? regards walter Am 28.08.2018 um 13:25 schrieb wambacher@xxxxxxxxx: > > Am 28.08.2018 um 13:15 schrieb 066ce286@xxxxxxx: >> Maybe it'll be wise to dump/restore ? >> > yes, that may be one option. pg_dump is running right now. >