On 2012-11-09T14:35:47, David Vossel <dvos...@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.
Yes.
Regards,
Lars
--
Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB
21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
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