Greg Stark <> writes:
> One thing we could do without much worry of being less reliable would be to
> keep two copies of pg_control. Write one, fsync, then write to the other
> and fsync that one.

Hmm, interesting thought.  Without knowing more about the filesystem
problem that the OP had, it's hard to tell whether this would have saved
us; but in principle it sounds like it would be more reliable.

                        regards, tom lane

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