Chapter 11. External storage virtualization 651
If an existing storage pool is chosen, the Storwize V5030 can perform a migration task.
The external LUN can be imported into a temporary migration pool and a migration task
can run in the background to copy data to MDisks that are in the target storage pool. At the
end of the migration, the external LUN and its associated MDisk can be in the temporary
pool and show as managed, but they can be removed from the Storwize V5030.
Figure 11-11 shows how to select an existing pool for volume migration. The pool must
have enough available capacity to store the volumes that are being imported.
Figure 11-11 Import volumes into an existing pool
4. Select Copy Services if copy services (replication functionality) are used on the external
storage system that hosts the LUN. Click Import to confirm your selections and to start
the import process.
Note: Only pools with sufficient capacity are shown because the import of an MDisk to
an existing storage pool can migrate storage. This storage can be migrated only if
sufficient capacity exists in the target pool to create a copy of the data on its own
MDisks. The external MDisk can be imported as an image mode volume into a
temporary migration pool and a volume migration can take place in the background to
create the volume in the target pool.
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