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access any policies in the Finance organization. However, both Finance and HR can use policies and pools
in the root organization.
If you create organizations in a multi-tenant environment, you can also set up one or more of the following
for each organization or for a sub-organization in the same hierarchy:
• Resource pools
• Policies
• Service profiles
• Service profile templates
If You Opt In to Multi-Tenancy
Each Cisco UCS domain is divided into several distinct organizations. The types of organizations you create
in a multi-tenancy implementation depends upon the business needs of the company. Examples include
organizations that represent the following:
• Enterprise groups or divisions within a company, such as marketing, finance, engineering, or human
resources
• Different customers or name service domains, for service providers
You can create locales to ensure that users have access only to those organizations that they are authorized
to administer.
If You Opt Out of Multi-Tenancy
The Cisco UCS domain remains a single logical entity with everything in the root organization. All policies
and resource pools can be assigned to any server in the Cisco UCS domain.
Virtualization in Cisco UCS
Overview of Virtualization
Virtualization allows the creation of multiple virtual machines (VMs) to run in isolation, side by side on the
same physical machine.
Each virtual machine has its own set of virtual hardware (RAM, CPU, NIC) upon which an operating system
and fully configured applications are loaded. The operating system sees a consistent, normalized set of hardware
regardless of the actual physical hardware components.
In a virtual machine, both hardware and software are encapsulated in a single file for rapid copying,
provisioning, and moving between physical servers. You can move a virtual machine, within seconds, from
one physical server to another for zero-downtime maintenance and continuous workload consolidation.
The virtual hardware makes it possible for many servers, each running in an independent virtual machine, to
run on a single physical server. The advantages of virtualization include better use of computing resources,
greater server density, and seamless server migration.
Cisco UCS Manager GUI Configuration Guide, Release 2.0
40 OL-25712-04
Virtualization in Cisco UCS