Marc Munro <marc@bloodnok.com> writes:
> On Tom Lane's advice, we upgraded to Postgres 8.0.8.
OK, so it's not an already-known problem.
> We were able to corrupt the index within 90 minutes of starting up our
> cluster. A slony-induced vacuum was under way on the provider at the
> time the subscriber failed.
You still haven't given any details. What do you mean by "corrupt the
index" --- what actual symptoms are you seeing?
regards, tom lane