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 340 for more information.
Keep in mind the following:
•Each storage system handles host security groups differently. See ”General Provisioning Issues” on page 340.
•When the Volume Creation and LUN Security option is selected on the System Action menu, you cannot add a host security group to an Engenio storage system or to any storage system that Engenio resells under a different brand.
To create a host security group:
1.Select a storage system in the Storage System pane.
2.Click Step 1.
3.Select a host in the Host pane.
4.Click Step 2.
5.Select a port in the LUN pane.
6.Click 
at the top of the LUN pane.
7.When you are asked to provide a name for the new host security group, type a unique name for the host security group.
NOTE: You are not asked for the name of the host security group for Symmetrix storage systems.
Keep in mind the following:
•The name must contain 1 to 50 characters. If you enter no characters, you are given the option of using a default name.
•The first and last letter cannot be spaces
•You cannot have the following characters in the name:
•<'
•>
•;
•:
•,
•
•/
•*
•?
398 Path Provisioning