Bruce Momjian <bruce@momjian.us> writes:
> Tom Lane wrote:
>> Huh? Why would that be? Seems like you've done something in the wrong
>> place if that's an issue.
> Yeah, it is complicated. I don't really care if autovacuum runs on the
> old cluster (we only move the files while the server is down). We only
> want autovacuum not to mess with the relfrozenxids we set on the new
> cluster while the table file is empty.
> The other issue is that the old alpha binary will not know about the -b
> flag and hence will not start.
Well, once again, why are you trying to do that? It's not the source
postmaster that needs this flag.
regards, tom lane