[Pacemaker] Enable remote monitoring

Lars Marowsky-Bree lmb at suse.com
Mon Nov 12 09:17:48 EST 2012

On 2012-11-09T14:35:47, David Vossel <dvossel at redhat.com> wrote:

> > 
> > That's exactly the kind of abstraction a resource agent class can
> > provide though for the nagios agents - no need to have that special
> > knowledge in the PE. The LRM can hide this, which is partly its
> > purpose.
> I know nothing about the nagios agents, but if we are taking that
> route, why not just have the nagios agents map the "start" action to
> "monitor" instead of making a new class.  Then PE and LRMD don't need
> any special knowledge of this.

Yes. That was my point. (LRM is the place where the resource agent
classes tie in.)

> Seems like it would be possible to create a group option to recover
> all group members from the first resource onward on a failure.  As
> long as the vm remains first, would the right order not be
> preserved?

Yes. If we have that special option, which incidentally happend to be
what I suggested. ;-)

> If the above works we get clones of these groups for free, and implementation should be fairly straight forward.



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