User`s guide

Glossary 379
SCSI-3 SCSI-3 consists of a set of primary
commands and additional specialized command
sets to meet the needs of specific device types.
TheSCSI-3commandsetsareusednotonlyfor
the SCSI-3 parallel interface but for additional
parallel and serial protocols, including Fibre
Channel, Serial Bus Protocol (used with IEEE
1394 Firewire physical protocol) and the Serial
Storage Protocol (SSP).
SCSI-FCP ThetermusedtorefertotheANSI
Fibre Channel Protocol for SCSI document
(X3.269-199x) that describes the FC-4 protocol
mappings and the definition of how the SCSI
protocol and command set are transported using
a Fibre Channel interface.
Sequence A series of frames strung together in
numbered order which can be transmitted over a
Fibre Channel connection as a single operation.
See also: Exchange
SERDES Serializer Deserializer
Server A computer which is dedicated to one
task.
SES SCSI Enclosure Services - ANSI SCSI-3
proposal that defines a command set for soliciting
basic device status (temperature, fan speed,
power supply status, etc.) from a storage
enclosures.
Single-Mode Fiber In optical fiber technology, an
optical fiber that is designed for the transmission
of a single ray or mode of light as a carrier. It is a
single light path used for long-distance signal
transmission. See also: Multi-Mode Fiber
SMART Self Monitoring and Reporting
Technology
SM Single Mode - See Single-Mode Fiber
SMF Single-Mode Fiber - In optical fiber
technology, an optical fiber that is designed for
the transmission of a single ray or mode of light
as a carrier. It is a single light path used for
long-distance signal transmission. See also:
MMF
SNIA Storage Networking Industry Association. A
non-profit organization comprised of more than
77 companies and individuals in the storage
industry.
SN Storage Network. See also: SAN
SNMP Simple Network Management Protocol -
The Internet network management protocol which
provides a means to monitor and set network
configuration and run-time parameters.
SNMWG Storage Network Management Working
Group is chartered to identify, define and support
open standards needed to address the increased
management requirements imposed by storage
area network environments.
SSA Serial Storage Architecture - A high speed
serial loop-based interface developed as a high
speed point-to-point connection for peripherals,
particularly high speed storage arrays, RAID and
CD-ROM storage by IBM.
ST Straight Tip connector. Also known as “Stick
and Twist”.
Star The physical configuration used with hubs in
which each user is connected by communications
links radiating out of a central hub that handles all
communications.
StorWatch Expert These are StorWatch
applications that employ a 3 tiered architecture
that includes a management interface, a
StorWatch manager and agents that run on the
storage resource(s) being managed. Expert
products employ a StorWatch data base that can
be used for saving key management data (e.g.
capacity or performance metrics). Expert
products use the agents as well as analysis of
storagedatasavedinthedatabasetoperform
Fast
Wide
SCSI
-2
10 16 20 15 6
Ultra
SCSI
2082071.5
Ultra
SCSI
-2
20 16 40 7 12
Ultra
2
LVD
SCSI
40 16 80 15 12