Installation guide

Glossary-6 SPARC Enterprise Mx000 Servers Glossary • March 2012
DVD Backplane
(DVDBP)
A backplane for a DVD drive. See also Backplane (BP).
Dynamic Host
Configuration Protocol
(DHCP)
Software that automatically assigns IP addresses to clients on a
Transmission Control Protocol/Internet Protocol (TCP/IP) network.
Dynamic
Reconfiguration (DR)
Software that enables logical attachment and detachment of system boards
to and from a domain without having to first power off that domain. DR
allows the logical (and, therefore, physical) installation and removal of
system boards while the domain’s Oracle Solaris OS continues running.
E
Entry-level server A SPARC Enterprise M3000 server.
equipment rack A rack for mounting a SPARC Enterprise M3000/M4000/M5000 server or an
External Expansion I/O Unit.
eXtended System Board
(XSB)
The XSB is made of physical parts. In the XSB, the PSB can be either one
complete unit (undivided status) or divided into four subunits. The XSB is a
unit used for domain construction and identification, and also can be used
as a logical unit.
eXtended System Control
Facility (XSCF)
Firmware running in a service processor. The XSCF is equipped with the
control and monitoring functions of the system platform.
external I/O expansion
unit
A rack-mount type device used to add PCI slots to the SPARC Enterprise
M3000/M4000/M5000/M8000/M9000 servers. The External I/O Expansion
Unit is connected to the I/O unit of the server via the PCI Express bus. It can
accommodate up to 12 PCI-X cards or PCI Express cards in units of six
cards.
Externally Initiated Reset
(XIR)
To send a reset signal via software to the CPU on the domain. Upon receipt
of the reset signal, the domain shifts to the OpenBoot PROM environment
and performs processing according to the value set in OpenBoot PROM
environment variable error-reset-recovery.