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44 Chapter 3
Functional and Operational Characteristics
3.7.8 Hitachi NanoCopy™
Hitachi NanoCopy™ is the storage industry’s first hardware-based solution which enables
customers to make Point-in-Time (PiT) copies without quiescing the application or causing
any disruption to end-user operations. NanoCopy™ is based on TC390 Asynchronous (TC390A),
which is used to move large amounts of data over any distance with complete data integrity
and minimal impact on performance. TC390A can be integrated with third-party channel
extender products to address the “access anywhere” goal of data availability. TC390A
enables production data to be duplicated via ESCON
®
or communication lines from a main
(primary) site to a remote (secondary) site that can be thousands of miles away.
NanoCopy™ copies data between any number of primary subsystems and any number of
secondary subsystems, located any distance from the primary subsystem, without using
valuable server processor cycles. The copies may be of any type or amount of data and may
be recorded on subsystems anywhere in the world.
NanoCopy™ enables customers to quickly generate copies of production data for such uses as
application testing, business intelligence, and disaster recovery for business continuance.
For disaster recovery operations, NanoCopy™ will maintain a duplicate of critical data,
allowing customers to initiate production at a backup location immediately following an
outage. This is the first time an asynchronous hardware-based remote copy solution, with
full data integrity, has been offered by any storage vendor.
Hitachi TrueCopy – S/390
®
Asynchronous with Hitachi NanoCopy™ support is offered as an
extension to Hitachi Data Systems’ data movement options and software solutions for the
Hitachi Lightning 9900™. Hitachi ShadowImage – S/390
®
can also operate in conjunction with
TC390 Synchronous and Asynchronous to provide volume-level backup and additional image
copies of data. This delivers an additional level of data integrity to assure consistency across
sites and provides flexibility in maintaining volume copies at each site.
Note: For further information on Hitachi NanoCopy™, please contact your Hitachi Data
Systems account team.
3.7.9 Data Migration
The Lightning 9900™ subsystem supports data migration operations from other disk array
subsystems, including older Hitachi subsystems as well as other vendors’ subsystems. Data
can be moved to a new location either temporarily or as part of a data relocation process.
During normal migration operations, the data being migrated can be online to the host(s) for
both read and write I/O operations during data migration operations.
Note: Data migration is available as a Hitachi Data Systems service offering. For further
information on data migration, please contact your Hitachi Data Systems account team.