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Changing a Host LUN ID
A host LUN ID is an ID allocated by the storage system to a LUN mapped to a host. This ID is visible on the host. You can manually change host LUN IDs based on site requirements.
Prerequisites
- A mapping view has been created.
- The LUN group in the existing mapping view contains LUNs.
- Host services running on the LUN you want to modify have been stopped. In addition, the LUN's physical disks have been disconnected and virtual disks generated by multipathing software have been uninstalled.
Context
- Each LUN of a host is allocated a unique host LUN ID.
- LUNs of different hosts can have the same host LUN ID.
Procedure
- Choose
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Provisioning > ![]()
Mapping View. - Select a mapping view and click the LUN Group tab in the lower part.
- In the LUN group list, select the LUN whose host LUN ID you want to change and click Change Host LUN ID.
The Change Host LUN ID dialog box is displayed.
- Input a new host LUN ID and click OK.
- Confirm the information in the dialog box and select I have read and understand the consequences associated with performing this operation.
- Click OK.
The Success dialog box is displayed.
- Click OK.
Mapping View.Follow-up Procedure
After modifying the host LUN ID, scan disks on the host again.
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