HP StorageWorks Fabric OS 5.X Master Glossary (AA-RW7NA-TE, September 2005)

scalability One of the properties of a SAN, the size to which a SAN topology can grow

port and switch counts with e ase.

SCC SC connector. A ﬁber-optic cable connector that uses a push-pull latching

mechanism similar to common audio and video cables. For bidirectional

transmissions, two ﬁber cables and two SC connectors (dual SC) are generally

used.

SCN State change notiﬁcation. Information the switch logs about internal (not

external) state changes, for example, a port com ing online or a port being

an Fx_Por t. State change notiﬁcations are not used to log information that is

sent from the switch to the Nx_Ports.

SCR State change registration. An event that occurs when the Extended Link Service

(ELS) requests that the fabric controller add the N_Port or NL_Port to the list

of N_Ports and NL_Ports re gistered to receive the Registered State Change

Notiﬁcation (RSCN) Extended Link Service.

SCSI Small Computer Systems Interface. A parallel bus architecture and a protocol

for transmitting large data blocks to a distance of 15 to 25 meters.

SCSI-2 Thearchitecturedeﬁned by the Small Computer System Interface-2 standard. An

updated version of the SCSI bus architecture.

SCSI-3 A SCSI standard that deﬁnes transmission of SCSI protocol data over different

kinds of links.

SDRAM Synchronous dynamic random access memory. The main memory for a switch.

sectelnet A protocol similar to telnet but with encrypted passwords for increased security.

Secure Fabric OS An HP StorageWorks optionally licensed feature that provides advanced,

centralizedsecurityforafabric.

security policy Rules that determine how security is implemented in a fabric. Security policies

can be customized through Secure Fabric OS or Fabric Manager.

SEQ_ID Sequence identiﬁer. A 1-byte ﬁeld in the frame header that is changed to

identify the frames as being part of a particular exchange sequence between a

pair of por ts.

sequence A g roup of related frames transmitted in the same direction between two

N_Ports.

sequence initiator The N_Port that begins a new sequence and transmits frames to another N_Port.

sequence recipient The N_Port to which a particular sequ ence of data frames is directed.

serial The transmission of data bits in sequential order over a single line.

server A computer that processes end-user applications or requests.

service rate The rate at which an entity can ser vice requests.