Chapter 8. Optional feature codes for the DS8000
The DS8000 is designed to meet or exceed the storage requirements of a broad
range of operating environments.
There are many features that are enabled to meet your data management
requirements. The following two areas are particularly useful for data management.
v Parallel Access Volumes (PAV) used for zSeries environments
v Advanced Copy Services functions
Parallel
Access Volumes
This feature allows multiple z/OS jobs to execute in parallel and queue
management on the DS8000. Dynamic PAVs autonomically reconfigure the
storage subsystem that is based on your workload.
Advanced Copy Services functions
The advanced Copy Services functions are sometimes referred to as the
IBM TotalStorage Resiliency Family. These Copy Services functions offer a
variety of data duplication, data migration, and disaster recovery solutions
that are supported on open systems, zSeries
®
, and Tivoli
®
Storage
Manager.
The following features are key components of the IBM TotalStorage
Resiliency Core Technology:
v IBM TotalStorage Point-in-time copy, previously known as FlashCopy
®
v Remote Mirror and Copy, previously known as Peer-to-Peer Remote
Mirror (PPRC)
– IBM TotalStorage Metro Mirror, previously known as Synchronous
PPRC
– IBM TotalStorage Global Mirror, previously known as Asynchronous
PPRC
– IBM TotalStorage Global Copy, previously known as PPRC Extended
Distance
v IBM TotalStorage z/OS
®
Global Mirror, (previously known as Extended
Remote Copy [XRC])
Note: z/OS Global Mirror (previously known as Extended Remote Copy
or XRC) provides a long-distance remote copy solution across two
sites for open systems and z/OS data using asynchronous
technology. It is based on the existing Copy Services functions
called Global Copy and FlashCopy and additional new functions
that form consistency groups across one or more storage units to
manage and control Global Mirror sessions.
Using parallel access volumes for S/390 and zSeries hosts
This section provides the following guidelines for using parallel access volumes
(PAVs):
v An overview of PAVs
v PAV requirements
v An overview of the input/output configuration program (IOCP)
v Guidelines for defining the logical control units
v Guidelines for reconfiguring the logical control units
© Copyright IBM Corp. 2004, 2005 99
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