Legato Storage Manager Administrator's Guide
Release 8.1.5






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This glossary contains terms and definitions found in this manual. Most of the terms are specific to LSM products


Choice in the Devices window; represents eight-millimeter magnetic tape.

Administrators group

Members of this Windows NT user group have all the rights and abilities of users in other groups, plus the ability to create and manage all the users and groups in the domain. Only members of the Administrators group can modify Windows NT OS files, maintain the built-in groups, and grant additional rights to groups.


A comment that you associate with an archive save set, to help identify that data later on. Annotations are stored in the media index for ease of searching and are limited to 1024 characters.

Application Specific Module (ASM)

A program, that when used in a directive, specifies the way that a set of files or directories is to be backed up and recovered.


See Application Specific Module.


A mechanism which uses a robotic arm to move media among various components located in a device including slots, media drives, media access ports, and transports. Autochangers automate media loading and mounting functions during backups and recovers.

Backup Operators group

Members of this Windows NT group have the capability to log onto a domain from a workstation or a server, back it up, and restore the data. Backup Operators also can shut down servers or workstations.

backup set

See save set.

backup volume

Backup media, such as magnetic tape or optical disk.


Information that includes the server index, media index, and configuration files needed for recovering LSM after a disk crash.

browse policy

The policy that determines how long entries for your files remain in the online file index.


A machine that accesses the LSM server to back up or recover files. Clients may be workstations, PCs, or fileservers.

client index

A database of information maintained by LSM which tracks every file or filesystem backed up.

command line

The shell prompt, where you enter commands.


The backup device (tape drive) connected to the LSM server; used for backing up and recovering client files.


An instruction directing LSM to take special actions on a given set of files.


A machine with disks that provides services to other machines on the network.


1. A file tree which is on a specific disk partition or other mount point. 2. The entire set of all files. 3. A method of storing files.


Heterogeneous networks are networks with systems of different platforms that interact meaningfully across the network.


The ability of software and hardware on multiple machines from multiple vendors to communicate meaningfully.


Any computer, including file or compute servers, diskfull workstations, or diskless workstations.


Magnetic tape or optical disks used to back up files.

media index

A database of information maintained by LSM which tracks every backup volume.

media manager

The LSM component that tracks save sets to backup volumes.


A Legato network-based software product to back up and recover Oracle7, Oracle8, or Oracle8i databases.

LSM client

The Oracle Server machine that can access the backup and recover services from the LSM server.

LSM Server

The machine on a network running the LSM software, containing the online indexes, and providing backup and recover services to the Oracle Server.


A response to a LSM event.


The logical hostname of the machine that is the LSM server.

online indexes

The databases located on the LSM server that contain all the information pertaining to the Oracle backups and backup volumes.


The person who monitors the server status, loads backup volumes into the server devices, and otherwise executes day-to-day tasks using LSM.


Instructions for accessing a file. An absolute pathname tells you how to find a file beginning at the root directory and working down the directory tree. A relative pathname tells you how to find the file starting where you are now.


Existing selections or configurations for different LSM features.


Send data to a printer.


A volume whose data has passed both its browse and retention policies and is available for relabeling.


A database of configuration information central to Windows NT operations. The overall effect centralizes all Windows NT settings and provides security and control over system, security, and user account settings.

retention policy

This policy determines how long entries will be retained in the media index and thus be recoverable.


The LSM command that backs up client files to backup volumes and makes data entries in the online index.

save set

A set of files or a filesystem backed up onto backup media using LSM.

save set ID

An internal identification number assigned to a save set by LSM.


The LSM command used to read a backup volume when the online indexes are no longer available.


The machine on a network running the LSM software, which contains the online indexes, and provides backup and recover services to the clients on a network.

shell prompt

A cue for input in a shell window where you enter a command.

system administrator

The person normally responsible for installing, configuring, and maintaining LSM.


The person who can use LSM from his or her workstation to back up and recover files.


Backup media, such as magnetic tape or optical disk.

volume ID

The internal identification assigned to a backup volume by LSM.

volume name

The name you assign to a backup volume when it is labeled.

volume pool

A feature that allows you to sort backup data to selected volumes. A volume pool contains a collection of backup volumes to which specific data has been backed up.


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