> > Anyone using this to monitor Linux under VM on a large scale basis?
> > Seems like a pretty heavy agent (java based) memory wise.

It is a 892 pound leviathan (I won't recap the long discussion I had
with the Director development team about *why* this was bad). If you
have heavy investment in Director on Intel or PPC and you're using
Tivoli Provisioning Mgr or Intelligent Orchestrator it may make sense to
integrate with the automated provisioning stuff, but the footprint of
the agent is *enormous* for simple health-check monitoring. 

There is also a lot of investment in setup time. If you plan to use
other portions of Virtualization Engine (like VE Console, EWLM or RDS)
there are the integration benefits into the provisioning stream that
might make it worth it, but you'd have to have a LOT of IBM middleware
investment to make it worth the footprint. 

I would second Rich's recommendation for Hobbit or Nagios for simple
monitoring. Both are lightweight, have good usable predefined tests for
common applications, can handle IBM and non-IBM systems w/o problems,
and allow monitoring both network and system infrastructure from one
console w/o spending a arm, leg and several present and future offspring
to get it up and integrated. Both Hobbit and Nagios are similar in
concept, and are pretty easy to set up -- the downside to them is that
documentation is a little sparse for both, so if you're not familiar
with setting up system management tools like OpenView or Netview, you
may have a little trouble getting started. 

I have a "getting started" doc for Nagios that I'd be willing to share
if anyone wants it. 

-- db

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