"Paul B. Anderson" <paul.a@xxxxxxxxxxxxxxxxx> writes: > I have a cluster of machines and the databases are on shared disk > storage. I'm just getting this arrangement working and, while I've been > debugging my scripts, I've accidentally had two copies of postgresql > running against the same initdb directories at the same time on two > different machines. Needless to say, this causes problems and I'm > thinking that vacuuming in this condition may be at or near the root of > the problem. You're going to have much worse problems than this from that. Two postmasters modifying the same data files is a recipe for complete corruption. I would recommend abandoning any database you realize this has happened to: just initdb and start over. The chances of being able to fix it are minimal. regards, tom lane
