IBM Midrange System DS4000 Series Hardware Manual page 301

Figure 5-28 confirms the importation of the drives.
Figure 5-28 Import completed
The logical drives in the newly imported array are now ready to be mapped to hosts, where
data can be accessed for read and write operations.
We recommend that you change the key after a secure array is imported to a DS5000 storage
subsystem when it already has secure arrays. This will ensure that all secure enabled FDE
drives will use a common key for authentication with the DS5000 storage subsystem when
they are powered on.
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Chapter 5. Disk Security with Full Disk Encryption drives