In an attempt to throw the authorities off his trail, dsuela@xsto.info (David Suela Fernández) transmitted:
> Is it possible to copy/migrate one database from one postgres server to
> other copying just the files in /var/lib/postgres/data/ ?
>
> I can't use pg_dump because it give me an error. I think than the
> instalation of postgres is corrupt because it give me a lot of error
> like "ERROR: relation "pg_catalog.pg_user" does not exist".
Copying files from a corrupted database will just get you a _second_
corrupt database.
If it's corrupted, then the best you can do is to get what data you
can out of the database, and put it into a NEW database.
What you might try would be to dump it table by table:
for table in this_table that_table other_table; do
pg_dump -p $SOURCEPORT -t $table $SOURCEDB | psql -p $NEWPORT $NEWDB
done
If the database is corrupted, that's likely to partly break, but I
doubt you'll do much better any other way.
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