Resource groups functions provide additional policy-based limitations to users or
the DS8000 storage systems, which in conjunction with the inherent volume
addressing limitations support secure partitioning of Copy Services resources
between user-defined partitions. The process of specifying the appropriate
limitations is completed by an administrator using resource groups functions.
Note: User and administrator roles for resource groups are the same user and
administrator roles used for accessing your DS8000 storage system. For example,
those roles include storage administrator, Copy Services operator, and physical
operator.
The process of planning and designing the use of resource groups for Copy
Services scope limiting can be complex. For more information on the rules and
policies that must be considered in implementing resource groups, see topics about
resource groups. For specific DS CLI commands used to implement resource
groups, see the IBM DS8000 Command-Line Interface User's Guide.
Comparison of Copy Services features
The features of the Copy Services aid with planning for a disaster.
Site 1
Hosts with LPARs
Switches
Site 2
Switches
Hosts with LPARs
f2c01638
Client A Client A
Client B Client B
Client A Client A
Client B Client B
Figure 12. Implementation of multiple-client volume administration
Chapter 3. Data management features 79
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