In
addition to providing data recovery
capability in the event of a disaster (see
Peer-to-Peer Remote Copy data recovery operations),
PPRC is an efficient tool for transferring data between various disk
device types. The following are specific data transfer tasks:
- Temporarily moving data to a new location, to accommodate
a repair,
for instance
- Migrating data to new devices
- Making
a copy of the data at any point in time
This
topic includes
procedures for all three tasks.
When you move, migrate, or copy
data with PPRC, you can put the
secondary (target) disk volume on the same or on a different subsystem
as the primary. Ensure that each volume is attached to a storage system
with the PPRC LIC installed.
You need to be familiar with the
PPRC commands before attempting
to complete any of the procedures described in this topic. For
additional information about the PPRC commands,
refer to Peer-to-Peer Remote copy command descriptions.