SODA Noriyuki <soda@xxxxxxxxx> writes: > We've encountered failures of "make check", when we put PostgreSQL > data directory on a NFS filesystem or a tmpfs filesystem. > It doesn't always fail, but fails occasionally. Is the NFS filesystem mounted fail-soft? As a rule, database people will tell you to just go away if you admit to running a database over NFS. Its idea of reliability is at least an order of magnitude worse than what we consider acceptable. But hard mounting helps. regards, tom lane