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Glossary-2 SPARC Enterprise M4000/M5000 Servers Site Planning Guide • April 2007
domain A set of one or more system boards that acts as a separate system capable of
booting the operating system and running an operating system independently
of any other domains. Domains that share a system are characteristically
independent of each other.
Each domain is based on the logical system board that is assigned to it.
Further, each domain is electrically isolated into hardware partitions, which
ensures that any failure in one domain does not affect the other domains in the
server.
DVD drive Digital video disc drive. A drive that holds a minimum of 4.7 gigabytes of
information.
E
equipment rack The expansion cabinet for the server.
eXtended system
control facility
(XSCF) The software that runs on the server Service Processor and provides control
and monitoring functions for the server.
eXtended system
control facility unit
(XSCFU) The server XSCF board that contains system administration function and
operates with independent processor.
H
hard disk drive
(HDD) A hardware device that reads and writes information onto a rigid, spinning
magnetic disk.
M
memory board
(MEMB) Memory module containing DIMMs.