Installation and User's Guide

command during a specific time period.See also client schedule.administrative privilege classSee privilege class.administrative sessionA period of time during which anadministrator user ID communicates witha server to perform administrative tasks.Contrast with client node session.administratorA user who is registered to the server asan administrator, and who is authorizedto perform tasks and issue commandsthrough the assignment of anadministrative privilege class.Advanced Program-to-Program Communication(APPC)An implementation of the SNA LU 6.2protocol that allows interconnectedsystems to communicate and share theprocessing of programs.agent nodeA client node that has been granted proxyauthority to perform operations on behalfof another client node, which is the targetnode.aggregateAn object, stored in one or more storagepools, consisting of a group of logical filesthat are packaged together. See also logicalfile and physical file.aggregate data transfer rateA performance statistic that indicates theaverage number of bytes that weretransferred per second while processing agiven operation.APPC See Advanced Program-to-ProgramCommunication.application clientA program that is installed on a system toprotect an application. The Tivoli StorageManager server provides backup servicesto an application client.archiveTo copy programs, data, or files toanother storage media, usually forlong-term storage or security. Contrastwith retrieve.archive copyA file or group of files that was archivedto server storage.archive copy groupA policy object containing attributes thatcontrol the generation, destination, andexpiration of archived files.archive-retention grace periodThe number of days that the storagemanager retains an archived file when theserver is unable to rebind the file to anappropriate management class. See alsobind.association(1) The defined relationship between aclient node and a client schedule. Anassociation identifies the name of aschedule, the name of the policy domainto which the schedule belongs, and thename of a client node that performsscheduled operations.(2) On a configuration manager, thedefined relationship between a profile andan object such as a policy domain. Profileassociations define the configurationinformation that is distributed to amanaged server when it subscribes to theprofile.audit To check for logical inconsistenciesbetween information that the server hasand the actual condition of the system.The storage manager can auditinformation about items such as volumes,libraries, and licenses. For example, whena storage manager audits a volume, theserver checks for inconsistencies betweeninformation about backed-up or archivedfiles that are stored in the database andthe actual data that are associated witheach backup version or archive copy inserver storage.authenticationThe process of checking a user's passwordbefore permitting user access to the TivoliStorage Manager server. Authenticationcan be turned on or off by anadministrator with system privilege.authentication ruleA specification that another user can useto either restore or retrieve files fromstorage.674 IBM Tivoli Storage Manager for Windows Backup-Archive Clients: Installation and User's Guide