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# Virtualize external LUNs

External LUNS can be virtualized.

## Steps

To virtualize external LUNs:

1. Select the storage system.
2. Select STORAGE > External Storage.
3. Optional: Click the Not Virtualized check box above the filtered LUNs list view to see a list of external LUNs that have not been virtualized.
4. Select the external LUNs that you want to virtualize.
5. Click Virtualize to open the Virtualize External LUNs dialog.
6. Select an import method from the Import Method drop-down menu. The import method determines the mode of operation for the eDisk.

   | WARNING: Selecting Raw Space - External Provisioning deletes any data that is on the external volume.

7. Select an external disk group from the Disk Group drop-down menu, or type a disk group name to create a new external disk group. Enginuity adds the virtualized external LUNs to the specified external disk group.
8. If you are using Virtual Provisioning, select an empty pool or an existing pool that is composed of externally provisioned data volumes from the Thin Pool drop-down menu. Type a pool name if you want to create a pool.
9. Optional: Click Advanced Options to continue setting the advanced options, as described next.

   Setting Advanced options:

   1. To override the auto meta member capacity configured on the storage system, specify the unit of measurement by selecting GB, MB, or CYL from the drop-down menu. Then select a capacity from the Meta Member Capacity drop-down menu.

      The Total Enabled Pool Capacity in GB is displayed.

   2. If you want all the created storage volumes to be the same capacity, click the Create Equal Meta Member Capacity check box. If you do not select this check box, the meta tail is smaller than the other volumes in the meta.
   3. If you want to specify a DX director for the path to the eDisk, select a director from the DX Director drop-down menu.
   4. Click OK.
10. Do one of the following:
    - Click Run Now to perform the operation now.
    - Expand Run Now and click Add to Job List to add this task to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.