Hierarchy
Cisco UCS Manager is hierarchical in nature, as reflected through its structure.
For Cisco UCS Central, the hierarchical structure takes on a global scope.
The structure of the domain group in Cisco UCS Central is also hierarchical. One important distinction is that "domain group" is purely a Cisco UCS Central construct. It is used for the mapping and application of operational policies, VLANS, VSANS, and some special policies such as ID Access Control Policies, to the registered Cisco UCS domains. Local Cisco UCS domains have no visibility of domain groups, but they are impacted by operational policies.
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Ensure that any operational policies created in the /root domain group are truly intended to have global applicability for all domains.
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Ensure that any service profile policies placed in the /root organization are meant to be exposed to the entire Cisco UCS domain.