Appeal No. 1999-2263
Application 08/581,721
The disclosed invention pertains to a method and
apparatus for migrating a source data center to a target data
center to support the migration of one or more applications
from the source data center to the target data center.
Representative claim 1 is reproduced as follows:
A method for migrating volumes of data supporting a
source data center, comprising a source mainframe and a source
DASD, to a target data center, comprising a target mainframe
and a target DASD, to support the migration of one or more
applications from the source mainframe to the target
mainframe, comprising the steps of:
(a) verifying data integrity on the source DASD;
(b) initiating one or more processes to mirror the
volumes of data from the source DASD to the target DASD, and
to mirror one or more data updates to the volumes of data by
the applications of the source mainframe to the target DASD;
(c) synchronizing said data updates to the volumes of
data by the applications of the source mainframe with
corresponding data updates to the target DASD;
(d) deactivating the applications of the source
mainframe;
(e) mirroring one or more remaining data updates to
the volumes of data by the applications of the source
mainframe to the target DASD;
(f) disconnecting the source data center from the
target data center; and
(g) bringing the target data center on-line and
initiating the applications of the target mainframe.
3
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