WDM Wavelength division multiplexing. The technique of placing multiple optical
signals on a single optical cable simultaneously.
WWN Worldwide name. A unique identifier assigned to a Fibre Channel device.
WWPN Worldwide port name. Synonymous with pWWN.
XCS Xcelerated Controller Software. The software that runs in the HSV controller-based
Enterprise Virtual Array XL model storage systems.
XP Continuous
Access
An HP StorageWorks product consisting of two or more XP disk arrays performing
disk-to-disk replication, and a management user interface that facilitates
configuring, monitoring, and maintaining replication of the storage systems.
zone A collection of devices or user ports that communicate with each other through
a fabric. Any two devices or user ports that are not members of at least one
common zone cannot communicate through the fabric.
Glossary118
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