Xen
A type of server virtualization software.
XSB (eXtended System Board)
Unit for domain creation and display, composed of physical components.
XSCF (eXtended System Control Facility)
The name of the Remote Management Controller for SPARC Enterprise M series servers.
zoning
A function that provides security for Fibre Channels by grouping the Fibre Channel ports of a Fibre Channel switch into zones, and
only allowing access to ports inside the same zone.
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