Konrad Garus wrote:
> We use PG 8.3. We use pg_dump and pg_restore overnight to create
> copies of main database for reporting etc. One dump/restore runs at 9
> PM, another at 11 PM.
>
> Today I discovered that the restore at 11 PM failed to recreate a
> foreign key constraint, because one row from master table was missing.
> It is also missing from main database, but not from the 9 PM dump.
>
> The main database is in curious state: The row from master table is
> missing, the row referencing it from slave table is present, and
> finally the FK constraint on slave is in place.
>
> Do you have any ideas on how it could possibly happen? What research
> could help find the root cause and fix the database?
If that's really the case, it sounds like curruption.
Is there anything in the server logs?
Yours,
Laurenz Albe
