Hi Postgres version : *PostgreSQL 9.2.4 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3), 64-bit* We transfer from one server to another (with better cpu an ram) our system using vm converter and when I try to backup database have an error : *pg_dump: reading schemas pg_dump: reading user-defined tables pg_dump: reading extensions pg_dump: reading user-defined functions pg_dump: reading user-defined types pg_dump: reading procedural languages pg_dump: reading user-defined aggregate functions pg_dump: reading user-defined operators pg_dump: reading user-defined operator classes pg_dump: reading user-defined operator families pg_dump: reading user-defined text search parsers pg_dump: reading user-defined text search templates pg_dump: reading user-defined text search dictionaries pg_dump: reading user-defined text search configurations pg_dump: reading user-defined foreign-data wrappers pg_dump: reading user-defined foreign servers pg_dump: reading default privileges pg_dump: reading user-defined collations pg_dump: reading user-defined conversions pg_dump: reading type casts pg_dump: reading table inheritance information pg_dump: reading rewrite rules pg_dump: finding extension members pg_dump: finding inheritance relationships pg_dump: reading column info for interesting tables pg_dump: finding the columns and types of table "account_account" pg_dump: [archiver (db)] query failed: ERROR: missing chunk number 0 for toast value 3297740 in pg_toast_2619 pg_dump: [archiver (db)] query was: SELECT a.attnum, a.attname, a.atttypmod, a.attstattarget, a.attstorage, t.typstorage, a.attnotnull, a.atthasdef, a.attisdropped, a.attlen, a.attalign, a.attislocal, pg_catalog.format_type(t.oid,a.atttypmod) AS atttypname, array_to_string(a.attoptions, ', ') AS attoptions, CASE WHEN a.attcollation <> t.typcollation THEN a.attcollation ELSE 0 END AS attcollation, pg_catalog.array_to_string(ARRAY(SELECT pg_catalog.quote_ident(option_name) || ' ' || pg_catalog.quote_literal(option_value) FROM pg_catalog.pg_options_to_table(attfdwoptions) ORDER BY option_name), E', ') AS attfdwoptions FROM pg_catalog.pg_attribute a LEFT JOIN pg_catalog.pg_type t ON a.atttypid = t.oid WHERE a.attrelid = '274619'::pg_catalog.oid AND a.attnum > 0::pg_catalog.int2 ORDER BY a.attrelid, a.attnum* I solve it using *reindexdb *,after I try* pg_dump -U postgres my_db > /home/mydb.backup* and it was successfull. Then I try to restore database to ensure that backup is valid *psql -U postgres new_db < /home/mydb.backup* And have an errors : *ERROR : extra data after last expected column Context: COPY tbl1, line1: "1 2013-12-02 2013-12-02 9387.74 9775.46211485490864940000" 6180.9500000000 80262 ...." ERROR : column "id" of relation "tbl1" does not exists invalid command \N invalid command \N invalid command \N ..... invalid command \N invalid command \. ERROR: syntax error at or near "87685" LINE 1: 87685 SO87690 1 170468 2015-05-30 2015 05 30 ^ invalid command \. ERROR: duplicate key value violates unique constraint "ir_act_client_pkey" DETAIL: Key (id)=(103) already exists. CONTEXT: COPY ir_act_client, line 21: "" ERROR: duplicate key value violates unique constraint "ir_act_report_xml_pkey" DETAIL: Key (id)=(733) already exists. CONTEXT: COPY ir_act_report_xml, line 59: "" ERROR: duplicate key value violates unique constraint "ir_act_server_pkey" DETAIL: Key (id)=(703) already exists. CONTEXT: COPY ir_act_server, line 6: "" ERROR: duplicate key value violates unique constraint "ir_act_window_pkey" DETAIL: Key (id)=(1) already exists. CONTEXT: COPY ir_act_window, line 235: "334 Last Product Inventories ir.actions.act_window \N 1 2013-07-03 10:39:48.399509 2013-12-16 16:38:..." ERROR: duplicate key value violates unique constraint "ir_act_window_group_rel_act_id_gid_key" DETAIL: Key (act_id, gid)=(76, 1) already exists. CONTEXT: COPY ir_act_window_group_rel, line 14: "" ERROR: duplicate key value violates unique constraint "ir_act_window_view_pkey" DETAIL: Key (id)=(100) already exists. CONTEXT: COPY ir_act_window_view, line 88: ""* Any advice to solve this problem ? -- View this message in context: http://postgresql.nabble.com/pg-restore-error-s-after-pg-dump-tp5909084.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general