Jesus Sandoval <meli(at)mzt(dot)megared(dot)net(dot)mx> writes:
> maybe the problem was becase somebody reset the computer without doing a
> shutdown.
Is that speculation, or do you know that someone actually did that shortly
before you noticed the problem?
I seem to recall one other report of a sequence apparently losing a few
counts during a crash, so we may have something to look into here. But
we need the clearest description you can give us of the events you
observed.
regards, tom lane