HP XP Racks - Manual (Page 419)

Description Item
Specify the name of the host group. Host Group name
Host group name can be up to 64 single-byte ASCII characters
(alpha-numerals and symbols).
You cannot use the following symbols: \ / : , ; * ? " < > |
You cannot use blanks at the beginning or end of the host group name.
If a host group assigned to an initiator port is included in the specified host
groups, this item is unavailable.
Select the host mode from the list. Host Mode
If a host group assigned to an initiator port is included in the specified host
groups, this item is unavailable.
Edit Host Groups wizard 419