Deciphering VMWARE Icons

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What do the icons in the drawing represent?

I  believe the bottom icon is a server.
But what is a server cluster used for? What is the rationale behind server clustering?

If you have a link that describes these icons that would be fine too.
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brothertruffle880Asked:
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gheistConnect With a Mentor Commented:
vcenter server
.Datacenter
..Cluster
... Physical server with hypervisor installed.

Cluster share common parameters:
HA and DRC policy
(Maybe) Host profile
EVC mode

That yields packing servers of same CPU generation in same cluster
Then again you may want to have HA/FT for some - again a cluster

Actually you lose 1 physical host per cluster
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mlsbravesConnect With a Mentor Commented:
VMware
DataCenter
Cluster
Host
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mlsbravesConnect With a Mentor Commented:
The DataCenter would represent your entire Virtual Environment.
A Cluster will contain a number of Vmware host (Your Servers) that share resources
Your Host is the Physical Server that is running the Vmware Hypervisor.
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mlsbravesConnect With a Mentor Commented:
Here's an architecture overview from vmware:
https://www.vmware.com/pdf/vi_architecture_wp.pdf
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If you turn on Tips and Summary, which is enabled by Default, it should explain these items.
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brothertruffle880Author Commented:
Hi Andrew (and all):
Unfortunately, I can't turn on tips and summary because I received a printout of those screen elements and need to create a Visio diagram based on scant assistance from the people in the storage group.
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