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# Create masking views

A masking view is a container of a storage group, a port group, and an initiator. The masking view makes the storage group visible to the host.

## Prerequisites

The following explains how to mask volumes on storage systems.

To create a masking view, you must have created initiator groups, port groups, and storage groups. For instructions, see Create and modify port groups.

## About this task

## Steps

1. Select the storage system.
2. Select Hosts > Masking view to open the Masking view list view.
3. Click Create.
4. Type the Masking View Name.
   Masking view names must be unique from other masking views on the storage system and cannot exceed 64 characters. Only alphanumeric characters, underscores ( _ ), and (-) are allowed. Masking view names are case-insensitive.
5. Select the Host.
6. Select the Port Group.
7. Select the Storage Group.
8. Optional: Manually set the host LUN addresses:
   1. Click Set Dynamic LUNs to open the Set Dynamic LUNs dialog box.
   2. Select a volume, and notice the address that is displayed in the Starting LUN field. To accept this automatically generated address, click Apply Starting LUN. To move to the next available, click Next Available LUN.
   3. Click OK to close the Set Dynamic LUNs dialog box.
9. Click OK.