"G. Frank Liu" <liug@mama.indstate.edu> writes:
> $ psql -U gforge gforge
> psql: FATAL: Invalid page header in block 3 of pg_trigger_tgrelid_tgname_index
> Any ideas how I can fix it?
See the REINDEX man page. In 7.3 I think you have to go through the
full run-a-standalone-backend pushup to reindex a system index.
Also look into doing some hardware testing, because this suggests you've
got flaky disks or RAM.
regards, tom lane