Chapter 4. Storage pools 191
Figure 4-64 Modifying external MDisk encryption
Import
This action is available only for unmanaged MDisks. Importing an unmanaged MDisk allows
the user to preserve the data on the MDisk, either by migrating the data to a new volume or by
keeping the data on the external system.
Selecting Import allows you to choose one of the following migration methods:
Import to temporary pool as image-mode volume does not migrate data from the
source MDisk. It creates an
image-mode volume that has a direct block-for-block
translation of the MDisk. The existing data is preserved on the external storage system,
but it is also accessible from the IBM Storwize V5000 Gen2 system.
If this method is selected the image-mode volume is created in a temporary migration pool
and presented through the IBM Storwize V5000 Gen2. Choose the extent size of the
temporary pool and click Import, as shown in Figure 4-65.
Figure 4-65 Importing an external MDisk as an image-mode volume
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