> On Apr 7, 2018, at 19:33, Bruce Momjian <br...@momjian.us> wrote:
> Idea 4 would be for people to assume their database is corrupt if their
> server logs report any I/O error on the file systems Postgres uses.

Pragmatically, that's where we are right now.  The best answer in this bad 
situation is (a) fix the error, then (b) replay from a checkpoint before the 
error occurred, but it appears we can't even guarantee that a PostgreSQL 
process will be the one to see the error.

-- Christophe Pettus

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