On Thu, Feb 21, 2008 at 08:09:08AM -0800, Craig James wrote:

> fine.  It was only when I notice that a backup web site was producing 
> different answers than the primary web site that I realized there was a 
> problem.
> 
> In a situation like this, some sort of ACTIVE response from Slony would be 
> nice.  Here's an idea.  When the Slony daemon detects an unrecoverable 
> error, it should STOP, and send an email to a configurable administration 
> email address.  Something like this:

No, no, that should not go in the daemon.  That should go in your monitoring
system.  I believe there are Nagios plugins floating about.  They could be
smarter, though, particularly about this sort of recoverable/non-recoverable
distinction you're mentioning.

A