HP StorageWorks 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks Embedded Web Se - Page 63
Active Zone Set, Merging Zoned Fabrics
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Configuring Zones The following are some important points to remember about zone sets: ■ If no zone set is active, and the default zone is disabled, then no devices can communicate. ■ If you activate a zone set when there is already an active zone set, that set will replace the currently-active zone set. ■ If you deactivate the current active zone set, then all devices connected in the fabric become members of the default zone. Active Zone Set An active zone set is a zone set that is currently active on a single-switch fabric or across all managed products in a multiswitch fabric. At any time, you can disable zoning by deactivating the active zone set and enabling the default zone, or you can enable zoning by activating a zone set. When a zone set is active, all zones that are members of that zone set are active. Only one zone set can be active for the fabric at one time. If no zones are active, then all devices are considered to be in the default zone. Merging Zoned Fabrics Managed products are linked through Interswitch Links (ISLs) to form multiswitch fabrics. In a multiswitch fabric, the active zoning configuration applies to the entire fabric. Any change to the configuration applies to all switches in the fabric. When fabrics join through an ISL, adjacent managed products exchange active zone configurations and determine if the configurations are compatible and can merge. Zoning configurations are compatible if the active zone names in each fabric are unique. If there are identical zone names in each fabric, then the zones must have identical members for the fabrics to join. If the configurations can merge, the fabrics join. The resulting configuration will be a single zone set containing zone definitions from each fabric. If configurations cannot merge, the expansion ports (E_Ports) on each product become segmented. Segmented E_Ports cannot carry traffic from attached devices (class 2 or 3 traffic), but can carry management and control traffic (class F traffic) between managed products. Embedded Web Server User Guide 63