HP StorageWorks 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors and E - Page 25
unblocked port, unicast, universal port module card, UPM card, vital product data, warning message,
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Glossary unblocked port Devices attached to an unblocked port can log in to the director and communicate with devices attached to any other unblocked port. unicast Communication between a single sender and a single receiver over a network. Compare to multicast and anycast (communication between any sender and the nearest of a group of receivers). See also multicast. universal port module card Each universal port module (UPM) card provides four Fibre Channel connections through duplex small form factor (SFF) pluggable fiber optic transceivers. UPM cards allow 1 or 2 gigabits per second enabled. UPM card See universal port module card. vital product data (VPD) - System-level data stored by the backplane in the electrically erasable programmable read-only memory. This data includes serial numbers and identifies the manufacturer. VPD See vital product data. warning message Software message that indicates a possible error was detected. See also error message and information message. wrap plug See loopback plug. World Wide Name (WWN) - Eight-byte address that uniquely identifies a switch, or a node (end device) on global networks. WWN See World Wide Name. zone Set of devices that can access one another. All connected devices may be configured into one or more zones. Devices in the same zone can see each other. Devices that occupy different zones cannot see each other. zone member Specification of a device to be included in a zone. A zone member can be identified by the port number of the director to which it is attached or by its World Wide Name. In multiswitch fabrics, identification of end-devices/nodes by World Wide Name is preferable. Directors and Edge Switches Glossary 25