NOTE: Each type of storage system handles ports for HSGs differently. See ”Rules for Creating Host Security Groups” on page 329.
3.(Only HDS storage system) Click the Options button to the right of the Host Mode field. Select a host mode resembling the port settings for your environment and then click OK. If your host mode is not listed, type it in the Host Mode field.
4.(Only HDS storage systems) If your storage system supports a second host mode, type the second host mode in the Second Host Mode field.
A second host mode is an optional settings on the port that describe how the host accesses the port (not applicable to all storage systems).
5.(IBM storage systems) You cannot assign the host mode for an IBM storage system in the user interface. You must modify an internal property to set the host mode. See ”Setting the Host Mode for IBM Storage Systems” on page 339 for more information.
6.Click Next.
Step 2 - Change the Initiators Assigned to the Host Security Group
1.Change the initiators assigned to the host security group, by doing one or more of the following:
•Add an Initiator - Click the Add button. Then, do one of the following:
•Type the WWN of the port you want to add to the host security group
•Select the initiator you want to add to the host security group.
Notice that when the mouse hovers over the port, you are shown additional information, such as the name and WWN of the port on the switch that the host uses.
Then, click Add. Click Close to exit the window.
•Delete an initiator - Click the 
corresponding to the initiator you want to remove.
•Delete multiple initiators - To remove multiple initiators from the host security group, select the initiators you want to remove and then click Remove Selected.
CAUTION: Removing an HBA can cause hosts that are using it to lose access to their storage. This may result in data loss.
2.Click Next.
Step 3 - Change the Volumes Assigned to the Host Security Group
IMPORTANT: You cannot delete the default host security group.
1.Change the volumes assigned to the host security group, by doing one or more of the following:
•Add a volume - Click the Add button, select a volume and then, do one of the following:
•If you want the unit number to be selected automatically by the server, leave the
338 Provisioning Manager