LUN Mapping and Masking
This feature applies to Fibre Channel SAN and iSCSI subsystems and controls user access to storage resources.
• LUN Mapping – Maps a LUN to an initiator; a LUN can be mapped to multiple initiators.
• LUN Masking – The process of applying a LUN Map.
To access LUN mapping:
1. Click the Volume tab.
2. Under Overview, click the LUN Mapping & Masking menu link.
To enable or disable LUN Masking, click on the Enable LUN Masking slider to toggle on LUN masking.
Adding a LUN Map
For Fibre Channel and iSCSI (SAN) systems, you can set up an Initiator LUN map.
A maximum of 256 logical drives can be mapped to a Fibre Channel initiator.
To assign a LUN to an initiator, the initiator must have been previously added to the initiator list.
(See “Adding a Fibre Channel or iSCSI Initiator” on page 110.)
To add a LUN map:
1. Click the Volume tab.
2. Click on LUN Mapping & Masking.
3. Click the LUN Mapping button. (See sample menu on next page)
4. In the LUN Mapping menu, the Initiators appear on the left side with volumes (including snapshots and
clones) on the right. Use this menu to select a volume or volumes to assign to an initiator. Click the box to
select an ID number of existing volumes, snapshots or clones in the right side, and use the arrow transfer
button to assign them to the preferred initiator.
5. Click the Submit button.
The new LUN map is created.
6. By default, LUN Mapping & Masking is not enabled. To use LUN Mapping & Masking, it must be enabled
in the LUN Mapping & Masking tab.
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