Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> Afaik we don't have any debugging utility to dump the pg_filenode.map
> contents?
Hardly need one ... od -t d4 $PGDATA/global/pg_filenode.map
is readable enough, though it does leave you still having to
map the numeric OIDs back to names. The OIDs will be stable though.
regards, tom lane