Ron <ronljohnsonjr@xxxxxxxxx> writes: > On 10/11/2018 03:17 PM, Dmitry O Litvintsev wrote: >> Today the following happened: >> < 2018-10-11 13:31:52.587 CDT >ERROR: insert or update on table "file" violates foreign key constraint "$1" >> < 2018-10-11 13:31:52.587 CDT >DETAIL: Key (volume)=(155303) is not present in table "volume". >> [ but it is present ] >> >> What is this? Version 9.3.9,. running on Linux RH6. > Index corruption? Maybe rebuild the FK. Yeah, I'd suspect index corruption as well, particularly seeing that this is a three-year-old point release in a branch that had more than its share of data corruption issues. My suggestion is first update to 9.3.latest, then reindex. BTW, 9.3.x will be EOL next month, so you should be thinking about getting onto a later release branch ... regards, tom lane
