The underlying operation
While automatic discovery and monitoring works great, it is useful to understand how exactly it works, both to be able to extend it and to solve problems as they arise. We'll look at two areas in more detail:
- LLD configuration in the default templates and host prototypes
- Server operation and configuration details
VMware LLD configuration
Let's dissect the default templates and how they operate. We only linked a single template, and it ended up discovering all hypervisors and virtual machines—it's time to find out how that happened. The top-level template, Template Virt VMware, also does some direct monitoring, although not much—it has items for VMware Event log, Full name, and Version:
These would be collected on the vCenter ...
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