Re: incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed

On Mon, Aug 22, 2016 at 4:45 PM, Tatsuki Kadomoto
<tatsuki.kadomoto@proceranetworks.com> wrote:
> Thanks for suggestion for upgrade. I know that's the way to go, but it's not
> so easy due to circumstances on my side.

Well, I guess it depends on how much you care about your data.

> Meanwhile, could you tell me what is this "global/pg_filenode.map" for?

It is a relation map file referring a list of OID -> relfilenode. You
can look at the comments on top src/backend/utils/cache/relmapper.c
for more details.
--
Michael