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I'm trying to restore a backup dumped from a postgres 8.3 server in a server with postgres 8.4 with this command:

pg_restore --host host --port 5432 --username username --dbname my_db /route/to/backup/b.backup --ignore-version --format=c

But I got this error:

pg_restore: [custom archiver] could not read from input file: end of file

I have done a restore with another Postgres 8.3 server and it worked just fine. My box is a Linux Mint Julia.

Anyone else with this same problem? Any idea?

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PostgreSQL uses various formats for backups. What's the format of yours?

pg_restore is only needed for backups using one of the archive file formats. The default format of backups produced with pg_dump is an SQL script that you can restore via psql:

psql dbname < /path/to/backup

Start by reading the chapter "Backup and Restore" in the manual.

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