On Tue, Oct 18, 2016 at 8:45 AM, Merlin Moncure <mmonc...@gmail.com> wrote:

> Most or all the damage seemed to be to the system catalogs with
> at least two critical tables dropped or inaccessible in some
> fashion.  A lot of the OIDs seemed to be pointing at the wrong
> thing.

While the oid in pg_class often matches the filename, that is not
true after some operations (like CLUSTER or VACUUM FULL).  It is
the relfilenode column that is the definitive link to the file.

Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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