From: Michael Paquier <michael.paquier@gmail.com> Sent: Monday, August 22, 2016 5:02:40 PM To: Tatsuki Kadomoto Cc: John R Pierce; PostgreSQL mailing lists Subject: Re: [GENERAL] 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
