HP StorageWorks 16-EL HP StorageWorks Zoning V3.1.x/4.1.x User Guide (AA-RS26C - Page 20
About Zoning, Fabric with three zones, configuration. Zones can overlap; that is
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Zoning Concepts About Zoning A zone is a specified group of fabric-connected devices, also called zone objects. Any device, or zone object, connected to the fabric can be included in one or more zones. Each zone object within a zone can communicate only with other zone objects within the same zone; any device outside of a zone cannot communicate with zone objects located inside a zone. Once zoning is enabled, if a device is not explicitly defined in a zone, that device will exist in a zone by itself and be inaccessible by other devices in the fabric. Zone objects are grouped into zones and zones are grouped in a zone configuration. Zones can overlap; that is, a zone object can belong to more than one zone and a fabric can have multiple zones. A switch can have any number of zone configurations resident; however, only one configuration can be enabled at a time. Figure 2 illustrates three zones with some overlap. It also contains devices that are not assigned to a zone, and are thus not active in the fabric if zoning is enabled. Note: Once zoning is enabled, if a device is not defined in a zone, that device will exist in a zone all by itself. The device will be isolated and be inaccessible by other devices in the fabric. NNoozoznoene No zone Figure 2: Fabric with three zones 20 Zoning Version 3.1.x/4.1.x User Guide