Tom Lane wrote:
>Michael Guerin <guerin(at)rentec(dot)com> writes:
>
>
>>Is this message the sign of trouble, or is it harmless?
>>
>>
>
>It's not good. The least bad explanation is that you had a system crash
>recently that occurred between extending a table by one page and filling
>that page with useful data. (The page is filled with zeroes on creation.)
>If you haven't had any crashes lately then I'd wonder about whether your
>disk is dropping data.
>
> regards, tom lane
>
>
Could this lead to the invalid page header problems that I've been
having lately?