6760 ServerNet/DA Manual

Glossary
6760 ServerNet/DA Manual—424879-003
Glossary-87
socket
socket. An end-point for stream-oriented communication. A socket has a file descriptor.
soft reset. An action performed on an HP NonStop™ Cluster Switch that restarts the
firmware on the cluster switch but does not interfere with ServerNet passthrough data
traffic.
software configuration incident report. A type of incident report that reports changes in
the software configuration of the server. A software configuration incident report
includes the server’s software configuration file.
software product revision (SPR). The method of releasing incremental software updates
on HP NonStop™ S-series systems. An SPR can include one or more corrections to
code or it can contain code that adds new function to a software product.
source ServerNet ID (SID). A field in the ServerNet packet header indicating the source of
the packet.
SP. See service processor (SP).
special character. A character entered from a terminal that has an effect other than being
part of the input stream from that terminal.
special file. A file in the Open System Services (OSS) file system that is not a regular file.
Special files include directories, FIFOs, and character special files such as terminal
device files. Contrast with regular file
.
SP event message. See service processor (SP) event message.
SPI. See Subsystem Programmatic Interface (SPI).
S-PIC. See SCSI plug-in card (S-PIC).
split-star topology. A network topology that uses up to two HP NonStop™ Cluster
Switches for each external fabric. External routing is implemented between the two
starred halves of a ServerNet cluster. (A starred half consists of up to eight nodes
attached to one set of cluster switches.) The starred segments are joined by four-lane
links. Introduced with the G06.12 release version update (RVU) of the HP NonStop
ServerNet Cluster product, the split-star topology supports up to 16 nodes. See also tri-
star topology.
spooler. The collection of files and processes that manages the printers and print jobs on
the system.
SPR. See software product revision (SPR).
SP Tool Application. A PC-based software application that you can use to request
information from the master service processors (MSPs) in an HP NonStop™ S-series
server. This application is intended for use only by trained service providers.