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that each client system is accessible from every other client system using the same
fully qualified node name.
Creating cells in the Windows environment
Due to the different possible configurations (domain versus workgroup), the various
levels of support for Windows Administrators may have some impact on the setup
of Data Protector during installation. An important prerequisite is to have a clean
node name resolving setup, so that each client system is accessible from every other
client system using the same fully qualified node name.
Windows domains
A Windows domain can easily be mapped to a Data Protector cell. In a single
Windows domain, use a one-to-one mapping if the size of the domain does not
exceed the recommended size of the Data Protector cell. Otherwise, split it into two
or more cells and manage these cells using the Data Protector Manager-of-Managers.
Mapping a Data Protector cell into a Windows domain
Mapping a Data Protector cell into a Windows domain also eases administration
within Data Protector itself. To ease administration, distribute the software such that
all the client systems can be installed using a central Windows account in a domain
organization. Other operations, however, are not limited to a Windows domain
organization since all operations and security verifications are performed by the
Data Protector internal protocol and not by the Windows Security.
In general, there are no limitations on how and where Data Protector can be installed.
However, because of the structure of Windows and the most common configurations
that are domain environments, some operations are easier when Data Protector is
mapped to a single domain or a multiple domain model, where one of the domains
is a master domain, to allow a single user to manage all the client systems within the
environment (Software Distribution and User Configuration).
In a multiple cell environment with a Manager-of-Managers, this issue is more
significant because all the cells that are configured require a central administrator
that has access to the entire backup environment. When a single domain or multiple
domains with a master domain are configured, the same global master domain user
can be the administrator of all the cells and the Manager-of-Managers environment.
If multiple independent domains are used, you need to configure multiple users to
administer the environment.
Concepts guide 65