 damaged page header normally causes
        <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> to report an error, aborting the current
        transaction.  Setting <TT
CLASS="VARNAME"
>zero_damaged_pages</TT
> to on causes
        the system to instead report a warning, zero out the damaged
        page in memory, and continue processing.  This behavior <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>will destroy data</I
></SPAN
>,
        namely all the rows on the damaged page.  However, it does allow you to g