•If you want to choose a unit number, deselect the
Then, click Add. Click Close to exit the window.
NOTE: Keep in mind that for Engenio storage systems LUN numbers cannot be duplicated, and that the management server can use an existing LUN number if the access mode is “No Access” for the created LUN.
CAUTION: Removing an HBA can cause hosts that are using it to lose access to their storage. This may result in data loss.
•Remove a volume - Click 
corresponding to the volume you want to remove from the host security group.
•Remove multiple volumes - To remove multiple volumes from the host security group, select the volumes you want to remove and then click Remove Selected.
2.Click Finish.
Deleting Host Security Groups
IMPORTANT: You cannot delete the default host security group.
To delete a host security group:
1.Click Tools > Storage Essentials > Provisioning Manager in HP Systems Insight Manager.
2.In the right pane, click the Storage Systems tab.
3.In the right pane, click the Provision button corresponding to the storage system in which you want to access information about host security groups.
4.Click Step 3 Host Security Group.
5.Click the 
button corresponding to the host security group you want to delete. The host security group is removed.
6.To remove multiple host security groups, select the host security groups you want to remove. Then click Delete Selected.
Setting the Host Mode for IBM Storage Systems
The host mode for an IBM storage system cannot be set in the user interface. You can set the host mode by assigning the host mode to the
smi.ProvisioningIbmEss.hostConnectionProfile property, as described in the following steps:
1.ClickOptions > Storage Essentials > Manage Product Health. Then, click Advanced in the Disk Space tree.
1.Click Show Default Properties at the bottom of the page.
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