Attention: Ensure that there is sufficient memory in the hardware storage area
to store the new configuration.
5. Add new 3390 volumes to the LCU.
6. Assign new PAVs.
IBM DS8000 Copy Services functions
The DS8000 supports Copy Services functions that contribute to the protection of
data.
These products and features are available on the IBM System Storage DS8000 and
IBM System Storage Enterprise Storage Server Models 750 and 800. There are a
number of advanced Copy Services functions that are part of the IBM System
Storage Resiliency family and are supported across various server environments
such as System z, System p, System i, and servers from Sun and Hewlett-Packard.
Note: It is assumed that you have obtained the required information to activate
the Copy Services licenses using the IBM Disk Storage Feature Activation
(DSFA) Web site at http://www.ibm.com/storage/dsfa/. After you obtain
the activation keys, it is also assumed that you have entered them in the DS
Storage Manager interface.
The following IBM System Storage Resiliency family functions and features are
described within this section of the book:
v FlashCopy - This Copy Services function enables you to make point-in-time, full
volume copies of data, with the copies immediately available for read or write
access. It allows you to perform the following types of operations:
– Reverse FlashCopy relationships
– FlashCopy to Metro Mirror source volumes
– Multiple relationship FlashCopy
– Persistent FlashCopy
– Resynchronization of FlashCopy volume pairs
v
Remote mirror and copy - These functions constantly update a target copy of a
volume so that it matches changes that were made to its associated source
volume. The remote mirror and copy feature name is used generically for all
methods of synchronous and asynchronous processing. These functions allow
you to perform the following operations:
– Metro Mirror
– Global Copy
– Global Mirror
– Metro/Global Mirror
v Path connections - Before you can create source and target remote mirror and
copy pair relationships, you must establish logical paths between a logical
subsystem (LSS) in a source storage unit and an LSS in a target storage unit.
v zSeries Copy Services - These functions allow you to create a point-in-time copy
or to mirror data at your remote or recovery site as applications make changes
to the source volumes at your production site. zSeries Copy Services allows you
to perform zSeries Global Mirror and zSeries Metro/Global Mirror operations.
v In addition to the previous functions, the following operations are also
associated with Copy Services:
– Consistency groups
Chapter 8. Optional feature codes for the DS8000 107
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