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Glossary 665
1st ed., 6/30/04 - 312579601
problem impacts operations. Customers can set
maintenance threshold levels.
servo— A device that uses feedback from a sensing
element to control mechanical motion.
Shared Tape Allocation Manager (STAM)—
Third-party software by Computer Associates
International, Inc.
Silverton— See 4490 Cartridge Subsystem.
SL8500 library— See StreamLine (SL8500 library).
Small Programming Enhancement (SPE)— A
supplement to a released program that can affect
several products or components.
SMC— Storage Management Component.
SMF— System Management Facility. An MVS
facility used to record system actions which affect
system functionality.
SMP— System Modification Program.
SMP/E— See System Modification Program
Extended.
SMS— Storage Management Subsystem.
SPE— See Small Programming Enhancement.
special use cartridge— A generic description for a
type of cartridge used on 9840 drives. These include:
• 9840 cleaning cartridge
• 9840 microcode load cartridge
• 9840 dump collection cartridge.
When an attempt is made to mount a special use
cartridge, LMU error response code 1012 is
generated.
The error code is defined as ‘‘load failure for special
use cartridge.’’
If the error code is received for a special use cleaning
cartridge, it is either ejected or marked as unusable,
and it is retained in the ACS (depending on the
MNTD EJctauto setting). The HSC does not mount
unusable cartridges.
spent cleaning cartridge— A cleaning cartridge that
has exhausted its cleaning material and can no longer
be used to clean tape transports. See also over-limit
cleaning cartridge.
SSD— Solid state disk.
STAM— See Shared Tape Allocation Manager.
Standard— (1) A value that can be specified on the
MEDia parameter and that includes only standard
capacity cartridge tapes. (2) See Cartridge System
Tape.
standard CAP— A standard CAP has a capacity of
twenty-one cartridges (three rows of seven cells
each). An LSM access door with a standard CAP
contains cell locations for storing cartridges.
See also Cartridge Access Port, enhanced CAP,
priority CAP, WolfCreek CAP, WolfCreek optional
CAP, or TimberWolf CAP.
standard (4410) LSM— An LSM which provides a
storage capacity of up to approximately 6000
cartridges.
standby— The status of a station that has been
varied online but is connected to the standby LMU of
a dual LMU ACS.
standby CDS— The optional data set that contains
only one valid record, the Database Heartbeat
(DHB). The DHB contains the names of the control
data sets recorded by the HSC and is used to identify
the correct primary, secondary, and standby CDS.
standby LMU— The redundant LMU in a dual
LMU configuration that is ready to take over in case
of a master LMU failure or when the operator issues
the SWitch command.
station— A hardware path between the host
computer and an LMU over which the HSC and
LMU send control information.
STD— (1) A value that can be specified on the
MEDia parameter and that includes only standard
capacity cartridge tapes. (2) An alias of Standard.
STK1— A generic value that can be specified on the
MEDia and RECtech parameters and includes all
types of 9840 cartridges and recording techniques.
STK1R— Value that can be specified on the MEDia
and RECtech parameters and includes only the