Re: Page Checksums

On Tuesday, December 20, 2011 07:08:56 PM Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > On Tuesday, December 20, 2011 06:38:44 PM Kevin Grittner wrote:
> >> What would you want the server to do when a page with a mismatching
> >> checksum is read?
> > 
> > Follow the behaviour of zero_damaged_pages.
> 
> Surely not.  Nobody runs with zero_damaged_pages turned on in
> production; or at least, nobody with any semblance of a clue.
Thats my point. There is no automated solution for page errors. So it should 
ERROR (not PANIC) out in normal operation and be "fixable" via 
zero_damaged_pages.
I personally wouldn't even have a problem making zero_damaged_pages only 
applicable in single backend mode.

Andres