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# View masking information

A storage volume is an identifiable unit of data storage. Storage groups are sets of volumes.

## About this task

This procedure explains how to view masking information.

## Steps

1. Select the storage system.
2. Select Storage > Storage Groups.
3. Select a storage group and click to open the Details view.
4. Click the number next to Volumes.
5. Select a volume and click to open the Details view.
6. Click the number next to Masking Info to open the Masking Info view for the volume.
   The following properties display:
   - Director Port—Storage system director and port
   - Identifier—Volume identifier name
   - Type—Director type
   - User Generated Name—User-generated name
   - Logged In—Indicates if the initiator is logged into the host/target.
   - On Fabric—Indicates if the initiator is zoned in and on the fabric.
   - Port Flag Overrides—Indicates if any port flags are overridden by the initiator: Yes/No
   - FCID LockDown—Indicates if the port lockdown is in effect: Yes/No
   - Heterogeneous Host—Indicates if the host is heterogeneous.
   - LUN Offset—Indicates if the LUN offset is enabled. This feature allows you to skip over masked holes in an array of volumes.
   - Visibility—Indicates if the port is visible to the host.