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Modifying a Host LUN ID
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.
- LUN groups in the existing mapping view must contain LUNs.
- Host services running on the LUN have been stopped. In addition, the LUN's physical disks and virtual disks generated by the multipathing have been uninstalled.
Context
- A host LUN ID is uniquely allocated to each LUN of a host.
- LUNs of different hosts can have the same host LUN ID.
Procedure
- Log in to DeviceManager.
- Go to the mapping view page.
The operation path varies with user types:
- System user: Click
vStore, select the desired vStore, and click Details to go to the vStore view. Choose .
- vStore user: In the vStore view, choose .
- System user: Click
- Select a mapping view and click the LUN Group tab in the lower part of the left function pane.
- In the LUN group list, select the LUN whose host LUN ID you want to change and click Modify Host LUN ID.
The Modify Host LUN ID dialog box is displayed.
- Select 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 host LUN ID is successfully modified.
vStore, select the desired vStore, and click Details to go to the vStore view. Choose