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

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