Re: Page Checksums

On Tuesday, December 20, 2011 06:38:44 PM Kevin Grittner wrote:
> Alvaro Herrera <alvherre@commandprompt.com> wrote:
> > Excerpts from Christopher Browne's message of mar dic 20 14:12:56
> > 
> > -0300 2011:
> >> It's not evident which problems will be "real" ones.  And in such
> >> cases, is the answer to turf the database and recover from
> >> backup, because of a single busted page?  For a big database, I'm
> >> not sure that's less scary than the possibility of one page
> >> having a corruption.
> > 
> > I don't think the problem is having one page of corruption.  The
> > problem is *not knowing* that random pages are corrupted, and
> > living in the fear that they might be.
> 
> What would you want the server to do when a page with a mismatching
> checksum is read?
Follow the behaviour of zero_damaged_pages.

Andres