SODA Noriyuki <soda@sra.co.jp> 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
