Achieving Data Migration; Configuration For Data Migration; How This Configuration Works For Data Migration; Data Migration Example Configuration - HP StorageWorks P4000 User Manual

Remote copy user guide
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Achieving data migration

You can use Remote Copy to make a complete copy (clone) of one or more volumes without interrupting
access to the original volumes. This type of data migration allows you to copy an entire data set for
use by a new application or workgroup.
To copy data from one location to another, simply create a one-time remote snapshot of the volume.
To make the remote snapshot a read/write volume, make it into a primary volume.

Configuration for data migration

To make a copy of a volume in a remote location, configure a cluster of storage systems in the remote
location with enough space to accommodate the volume. See
configuration.
Figure 21 Data migration example configuration
.

How this configuration works for data migration

Suppose you want to create a complete copy of a volume for an application to use in a different
location.
1.
Configure a cluster of storage systems in the new location to contain the copied volume.
2.
Create a one-time remote snapshot of the volume onto the cluster in the new location.
If your application server uses multiple volumes that must be in sync, use a script to quiesce the
application before creating remote snapshots.
[Optional] You can create regular one-time snapshots and use remote copy to move the snapshots
to the remote cluster at your convenience.
3.
On the cluster in the new location, make the remote volume into a primary volume.
56
Sample Remote Copy configurations
Figure 21
on page 56 for an example

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