Intermediate backup levels.  Each number represents a backup level.  Lower levels back up more files.

4mm, 8mm

Choice in the Devices window; represent four- and eight-millimeter magnetic tapes.


The process by which NetWorker backs up directories or files to an archive volume and then optionally deletes them to release disk space.


Application specific module.  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.


A piece of information describing a NetWorker resource, with a name and a list of values.


A device that can move media among various components located in the device, including slots and media drives.  Autochangers automate the loading, labeling, and mounting of media, during both backups and recovers.

browse policy

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


A machine that accesses the NetWorker server to back up or recover files.  Clients may be workstations, PCs, or fileservers with gigabytes of data.


The process by which NetWorker makes an exact copy of saved data (save sets). NetWorker can clone individual save sets or entire backup volumes.

command line

The shell prompt, where you enter commands.


The NetWorker directive used for compressing and decompressing files.


A long-lived program that implements a service.  For example, nsrd is a daemon that implements the NetWorker backup and recover service.


The backup device connected to the NetWorker server; used for backing up and recovering client files.


Instruction to maximize the efficiency of a backup and to handle special files.

file index

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


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


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

full (f)

A backup level in which all files are backed up, regardless of when they last changed.


A client or group of clients that starts backing up files at a designated time.

head (h)

Represents the beginning of a save set that spans two backup volumes.


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


Choice of in the Devices window; represents half-inch magnetic tape.


A directive used to back up files that do not have all of their data blocks allocated.


Hierarchical storage management.  Provides a way to automatically move data between a local disk and other storage locations to conserve network storage resources.

incremental (i)

A backup level in which only files that have changed since the last backup are backed up.


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

job pack

A tray or carousel that holds several backup volumes.


See autochanger.

level [1-9]

A backup level that backs up files that have changed since the last lower-level backup.


Any computer, including file or compute servers, disk-based workstations, or diskless workstations.


A directive that adheres to spool mail file-locking conventions and resets a file's access time back to its pre-saved values, so users can tell if new mail arrived after NetWorker backed up their mail.


Magnetic tape or optical disks used to back up files.

media index

A database of information maintained by NetWorker to track every backup volume.

media manager

The NetWorker component that tracks save sets to backup volumes.

media pool

The collection of backup volumes recognized and managed by NetWorker.


The process of moving files meeting administrator-defined criteria from local disk to slower, less-expensive storage devices.


The network-based software product used to back up and recover filesystems.

NetWorker client

A machine that can access the backup and recover services from a NetWorker server.

NetWorker daemons

Daemons specific to the NetWorker environment.

NetWorker server

The machine on a network running the NetWorker software, containing the online indexes, and providing the backup and recover services to the clients on a network.

NetWorker resources

Components of NetWorker software configuration information, described by a list of attributes and values.


An application associated with an entry in the online file index.


A response to a NetWorker event.


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

online indexes

The databases located on the server that contain all the information pertaining to the client 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 NetWorker.


A backup level that takes place instead of the scheduled one.


See volume pools.


Existing selections or configurations for different NetWorker features.


Command used for making a copy of a file in preparation for migration.


A look at what a NetWorker command will do without actually executing the command.


Send data to a printer.


A choice in the Devices window; represents quarter-inch cartridge tape.


The process of moving a migrated file from a storage location back to the original location on local disk.


The NetWorker command used to browse the server index and recover files from a backup volume to a client's disk.

retention policy

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


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


See NetWorker resources.


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

save set

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

save set ID

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

save set recover

A process by which NetWorker recovers an entire save set instead of individual files in the save set.


The NetWorker command used to read a backup volume.


The machine on a network running the NetWorker software, containing the online index, and providing backup and recover services to the clients on a network.

shell prompt

The command line to which you enter UNIX commands.


The directive to skip files during a backup.  Useful for avoiding the copying of files that do not require backup.

skip (s)

A backup level in which files are skipped and not backed up.


Simple network management protocol.


A UNIX symbolic link that serves as a place holder for a migrated file and as a pointer to the new location of a migrated file.


A clone of the most recent full backup of a save set and of all migration save sets for the designated client filesystem.


A UNIX user with root privileges.

system administrator

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

tail (t)

Represents the end of a save set that spans two backup volumes.


Any person who employs NetWorker 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 NetWorker.

volume name

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

volume pools

A feature that allows you to sort your backup data to selected backup volumes.  A volume pool contains a collection of backup volumes that have specific data sorted during the backup process.