There is no fixed limit to the number of names you can add. However, the maximum name length is 250 characters and the maximum value length is 1000 characters.
Use any name for the field Name, but do not repeat a field name in the same device. Field names are not case sensitive. In other words, the system interprets “FIELDNAME” and “fieldname” as the same name. Blank spaces entered before or after the field name are automatically removed.
A personality name cannot start with a $. This symbol is used for reserved values such as $DiskName and $WriteCacheType.
On this tab, a new personality string can be created, or an existing string modified or removed.