Installation and User's Guide

i-node The internal structure that describes theindividual files on AIX, UNIX, or Linuxsystems. An i-node contains the node,type, owner, and location of a file.i-node numberA number specifying a particular i-nodefile in the file system.IP addressA unique address for a device or logicalunit on a network that uses the IPstandard.Jjob fileA generated file that containsconfiguration information for a migrationjob. The file is XML format and can becreated and edited in the hierarchicalstorage management (HSM) client forWindows client graphical user interface.journal-based backupA method for backing up Windows clientsand AIX clients that exploits the changenotification mechanism in a file toimprove incremental backup performanceby reducing the need to fully scan the filesystem.journal daemonOn AIX, UNIX, or Linux systems, aprogram that tracks change activity forfiles residing in file systems.journal serviceIn Microsoft Windows, a program thattracks change activity for files residing infile systems.Kkilobyte (KB)For processor storage, real and virtualstorage, and channel volume, 210 or 1 024bytes. For disk storage capacity andcommunications volume, 1 000 bytes.LLAN See local area network.LAN-free data movementThe movement of client data between aclient system and a storage device on astorage area network (SAN), bypassingthe local area network. This process isalso referred to as LAN-free data transfer.LAN-free data transferSee LAN-free data movement.leader dataBytes of data, from the beginning of amigrated file, that are stored in the file'scorresponding stub file on the local filesystem. The amount of leader data that isstored in a stub file depends on the stubsize that is specified.library(1) A repository for demountable recordedmedia, such as magnetic disks andmagnetic tapes.(2) A collection of one or more drives, andpossibly robotic devices (depending onthe library type), which can be used toaccess storage volumes.library clientA server that uses server-to-servercommunication to access a library that ismanaged by another storage managementserver. See also library manager.library managerA server that controls device operationswhen multiple storage managementservers share a storage device. See alsolibrary client.local Pertaining to a device, file, or system thatis accessed directly from a user's system,without the use of a communication line.local area network (LAN)A network that connects several devicesin a limited area (such as a singlebuilding or campus) and that can beconnected to a larger network.local shadow volumesData that is stored on shadow volumeslocalized to a disk storage subsystem.LOFS See loopback virtual file system.logical fileA file that is stored in one or more serverstorage pools, either by itself or as part ofan aggregate. See also aggregate andphysical file.logical occupancyThe space that is used by logical files in astorage pool. This space does not includethe unused space created when logical682 IBM Tivoli Storage Manager for Windows Backup-Archive Clients: Installation and User's Guide