IBM SAN32M1, Installation And Service Manual

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573 Glossary
switchover Changing a backup field-replaceable unit (FRU) to the active state,
and the active FRU to the backup state.
switch priority Value configured into each switch in a fabric that determines its rela-
tive likelihood of becoming the fabric’s principal switch. Lower val-
ues indicate higher likelihood of becoming the principal switch. A
value of 1 indicates the highest priority; 225 is the lowest priority. A
value of 225 indicates that the switch is not capable of acting as the
principal switch. The value 0 is illegal.
System Automation
for Operating
System/390
SA OS/390™. IBM licensed software that provides System/390 Paral-
lel Sysplex™ management, automation capabilities, and integrated
systems and network management. SA OS/390 manages host, remote
processor, and I/O operations. SA OS/390 integrates the functions of
Automated Operations Control for Multiple Virtual Storage (MVS™),
ESCON™ Manager, and Target System Control Facility (D).
system name
See product name .
system services
processor
SSP. In a director or switch, the central controlling processor. Controls
the RS-232 maintenance port and the Ethernet port of a Fibre Channel
director or switch.
T
TB
See terabyte .
TCP
See transmission control protocol .
TCP/IP See transmission control protocol/Internet protocol .
technical support Single point of contact for a customer when assistance is needed in
managing or troubleshooting a product. Technical support provides
assistance twenty-four hours a day, seven days a week, including hol-
idays. The technical support number is (800) 752-4572 or (720)
566-3910
. Synonymous with customer support .
Telecommunications
Industry Association
TIA. A member organization of the Electronic Industries Association
(EIA), TIA is the trade group representing the communications and
information technology industries. See also
Electronic Industries
Association .