Create External Drive

This function creates External Drives by transferring the volume information (External LU Information) in the external storage system to the local storage system.

This function is available only if the Non-disruptive Storage Migration License has been registered.

The following list shows the maximum number of External Drives (*1) that can be created for each model.

• ETERNUS DX60 S5: 512

• ETERNUS DX100 S5: 2048

• ETERNUS DX200 S5: 4096

• ETERNUS DX500 S5: 8192

• ETERNUS DX600 S5: 8192

• ETERNUS DX900 S5: 16384

• ETERNUS DX8900 S4: 16384

• ETERNUS AF150 S3: 2048

• ETERNUS AF250 S3: 4096

• ETERNUS AF650 S3: 8192

*1

:

Up to 512 volumes can be migrated per external storage system in a single operation.

Availability of Executions in the Default Role

Refer to "User Roles and Policies" for details on the policies and roles.

External Drive Setting

Select External Storage

The external storage system information that is selected in the [Select External Storage] Screen is displayed. The item name and the [Browse...] button are displayed if no external storage system is selected.

Function Button

Select LUs of the External Storage

The list of volumes in the external storage system that are selected in the [Select LUs of the External Storage] Screen is displayed. If no volumes are selected, the item name and the [Add] button are displayed.

Function Button

[Select External Storage] Screen

The list of external storage systems that are connected to the local storage system is displayed.

Select an external storage system for the migration source.

[Select LUs of the External Storage] Screen

The External Storage Information that is selected in the [Select External Storage] screen and the list of volumes are displayed.

Select volumes that transfer the External LU Information to the local storage system.

External Storage Information

Select LUs of the External Storage

1. Click [Create] in [Action].

2. Select whether the volume information (External LU Information) of the external storage system is inherited.

   Note

   • To inherit the External LU Information when External Drives are created, select the "Inherit" checkbox.

   • For volumes to be used for the Storage Cluster function, clear the "Inherit" checkbox.

3. Click the [Browse...] button for the "Select External Storage" field.

   → The [Select External Storage] Screen appears.

4. Select the external storage system for the migration source and click the [OK] button.

   → Returns to the original screen. The information for the selected external storage system is displayed.

5. When selecting the "Inherit" checkbox, add volumes of the external storage system for transferring the External LU Information to the local storage system.

   1. Click the [Add] button on the bottom right of the "Select LUs of the External Storage" field.

      → The [Select LUs of the External Storage] Screen appears.

   2. Select the volume for transferring the External LU Information to the local storage system (multiple selections can be made) and click the [OK] button.

      → Returns to the original screen. The information of the selected volumes is displayed.

      Note

      • Select the checkbox to the left of "LUN" in the [Select LUs of the External Storage] screen to select all the displayed volumes.

   3. Repeat Step a and Step b when adding multiple volumes.

      Note

      • Up to 512 volumes are displayed in the "Select LUs of the External Storage" field.

6. Click the [Create] button.

   → A confirmation screen appears.

   Caution

   • An error screen appears in the following conditions:

     • The External LU Information failed to be inherited

     • The created External Drive is not in the normal state

     • The number of External Drives that can be created for each model has exceeded the maximum number

7. Click the [OK] button.

   → External Drive creation starts.

8. Click the [Done] button to return to the [External Drives] screen.