IBM Tivoli Storage Manager for UNIX and Linux Backup-Archive ...

subscriptionIn a Tivoli environment, the process ofidentifying the subscribers that theprofiles are distributed to. For TivoliStorage Manager, a subscription is theprocess by which a managed serverreceives configuration informationassociated with a particular profile on aconfiguration manager. See also managedserver, configuration manager, and profile.Systems Network Architecture (SNA)The description of the logical structure,formats, protocols, and operationalsequences for transmitting informationthrough and controlling the configurationand operation of networks.system privilege classA privilege class that gives anadministrator the authority to issue allserver commands. See also privilege class.Ttape libraryA set of equipment and facilities thatsupport an installation’s tapeenvironment. The tape library can includetape storage racks, mechanisms forautomatic tape mounting, a set of tapedrives, and a set of related tape volumesmounted on those drives.tape volume prefixThe high-level-qualifier of the file nameor the data set name in the standard tapelabel.target nodeA client node for which other client nodes(called agent nodes) have been grantedproxy authority. The proxy authorityallows the agent nodes to performoperations such as backup and restore onbehalf of the target node, which owns thedata.TCA See trusted communications agent.TCP/IPSee Transmission Control Protocol/InternetProtocol.threshold migrationThe process of moving files from a localfile system to Tivoli Storage Managerstorage based on the high and lowthresholds that are defined for the filesystem. Contrast with demand migration,selective migration, and migration job.throughputIn storage management, the total bytes inthe workload, excluding overhead, thatare backed up or restored, divided byelapsed time.timeoutA time interval that is allotted for anevent to occur or complete beforeoperation is interrupted.timestamp control modeA mode that determines whethercommands preserve the access time for afile or set it to the current time.Tivoli Storage Manager command scriptA sequence of Tivoli Storage Manageradministrative commands that are storedin the database of the Tivoli StorageManager server. The script can run fromany interface to the server. The script caninclude substitution for commandparameters and conditional logic.Transmission Control Protocol/Internet Protocol(TCP/IP)An industry-standard, nonproprietary setof communication protocols that providesreliable end-to-end connections betweenapplications over interconnected networksof different types.transparent recallThe process that is used to automaticallyrecall a file to a workstation or file serverwhen the file is accessed. See also recallmode. Contrast with selective recall.trusted communications agent (TCA)A program that handles the sign-onpassword protocol when clients usepassword generation.UUCS-2 A 2-byte (16-bit) encoding scheme basedon ISO/IEC specification 10646-1. UCS-2defines three levels of implementation:Level 1-No combining of encodedelements allowed; Level 2-Combining ofencoded elements is allowed only forThai, Indic, Hebrew, and Arabic; Level3-Any combination of encoded elementsare allowed.UNC See Universal Naming Convention name.Glossary 557