HP Surestore 64 HP Enterprise Connectivity Fabric Manager User's Guide - Page 79
Default Zone, Con
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through that port is included in the zone. A port number that you assign as a zone member is automatically prefixed with the domain identification number of the managed product. Note Preferred DOMAIN IDs are restricted to 1-n, where n is one fewer than the number of ports. The advantage of identifying a zone member by port number is that if the HBA on an attached device fails, you don't have to worry about identifying the member with the WWN of the replacement HBA. A disadvantage of port zoning is that someone may rearrange cable connections to ports (because of port failures or other reasons) and inadvertently allow devices to communicate that should not have access to each other. Note If a managed product's Domain ID changes, you must reconfigure all zones that contained the managed product's port as a zone member. We recommend assigning unique preferred Domain ID's to each switch in the fabric using the Operating Parameters dialog box in the Product Manager. Default Zone A default zone consists of all devices that have not been configured as members of a zone in a currently-active zone set. Here are some important points to remember about zone sets: • You can enable or disable the default zone separately from the active zone set using the Default Zone option in the Configure menu. Enabling the default zone allows all devices and ports not configured as members of the active zone set to communicate. If the default zone is disabled, these ports and devices cannot communicate. The preferred mode is disabled. • When no zone set is activated, then all devices are considered to be in the default zone. • If a zone set is active, then all connected devices that are not included as a members of a zone in the active zone set are included in the default zone. Fabric Zoning Zoning Concepts 61