IBM Midrange System DS4000 Series Hardware Manual page 401

Note: Migrate one array at a time. When migrating hard drives from multiple DS storage
subsystems a single DS storage subsystem, move all of the hard drives from the first DS
storage subsystem and import them onto the destination DS storage subsystem before
proceeding with other sets.
To start with the process, follow these steps:
1. Use the Import Array option to import an array that you have previously exported. From the
Subsystem Management window in the Logical view, select the array, and then select
Advanced  Maintenance  Import array, as shown in Figure 7-44.
Figure 7-44 Import Array option
Chapter 7. Advanced maintenance, troubleshooting, and diagnostics
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