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256 DS6000 Series: Concepts and Architecture
Figure 13-2 Piper for z/OS environment configuration
Currently this server is a Mulitprise 3000, which can connect through ESCON channels only.
This will exclude this approach to migrate data to the DS6800, which provides pure FICON
and Fibre Channel connectivity only. It can be used, though, for the DS8000, which still allows
you to connect to the ESCON infrastructure through supported ESCON host adapters. IBM
plans to enhance the Piper server with FICON channel capable hardware to allow migration
to FICON-only environments. Currently the IBM Piper migration service offering includes the
following, which IBM provides:
S/390 Multiprise 3000
Preloaded with OS/390 2.10
An ESCON director with 16 ports to connect to the customer z/Series-based fabric
Preloaded FDRPAS migration software
19 inch rack enclosure
Agent tasks which need to be installed in the customer systems
An FDRPAS master task runs on the Piper CPU, which coordinates all activities. Monitor
tasks are required on the customer’s systems to monitor and coordinate with the swap and
tasks in the Piper CPU.
The advantages of this Piper-based migration offering are:
Simple installation without the need for IPLs on the customer side.
Transparent data migration without interruption to connected application hosts and no
application down time.
Parameter-controlled activity which can be dynamically modified at any time to pace the
migration.
Suspend/resume of migration at any time without exposing data integrity.
Migration during usual business hours for convenient management of the migration
process.
Independent of hardware vendor and suited for all S/390 or zSeries attached disk storage.
Supports Parallel Access Volume handling.
Customer
Systems
Piper hardware
Swap
Tas k
Monitor
Task
Monitor
Task
Online
Source
Volume
Offline
Target
Volume
Agent
Integrated tool
Agent
ESCON
ESCON / FICON