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Product: NetBackup System Administrator's Help  

Glossary of NetBackup Terms

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ACS

    Automated Cartridge System. ACS can refer to any of the following:


    • A type of Media Manager robotic control. This robot type is supported only by NetBackup Enterprise Server.
    • The StorageTek (STK) system for robotic control.
    • The highest-level component under STK's ACS library software, which refers to a specific standalone robotic library or to multiple libraries connected with a media passthru mechanism.

access control list (ACL)

    Security information associated with files on some file systems.


active job

    A job for which NetBackup is currently processing backup or restore data.


active node

    The designated node in a clustered environment where NetBackup is installed and from which NetBackup can push to other nodes in the cluster. The NetBackup daemons are running on an active node.


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activity logs

    See debug logs.


activity monitor

    A NetBackup administration utility that displays information about NetBackup jobs and provides limited control over them.


ADAMM database

    The Backup Exec database that maintains device and media information (Advanced Device and Media Management).


administration client

    See remote administration console.


administrator

    A user that is granted special privileges to install, configure, and manage the operation of a system, network, or application.


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AIT

    Sony Advanced Intelligent Tape, a type of tape drive or media type.


alternate client backup

    A backup performed by one client on behalf of another client. Requires a frozen image method (included in ServerFree Agent).


alternate-client restore

    See redirected restore (different client).


alternate-target restore

    See redirected restore (different target).


alternate path restore

    See redirected restore (different path).


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alternate read server

    In Vault, an alternate read server is a server used to read a backup image that was originally written by a different media server. The media server specified as alternate read server must have access to the media that contains the backup image or images.


API robots

    A set of Media Manager robot types where the robot-vendor software or the operating system (in the case of RSM robots) manage their own media.


archive

    A special kind of backup where NetBackup backs up the selected files, and if the backup is successful, deletes the files from the local disk. In this manual, references to backups also apply to the backup portion of archive operations except where otherwise noted.


archive bit

    A file-status bit that the Microsoft based operating system sets when it writes a file, thereby indicating that the file has changed.


attributes for a policy

    Configuration parameters that control the behavior of NetBackup during operations involving this policy.


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autochanger

    See robotic library.


autoloader

    See robotic library.


automatic backup

    A scheduled backup by the master server.


avrd

    The automatic volume recognition daemon on UNIX and process on Windows.


back up

    The act of copying and saving files and folders to storage media.


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backup

    Refers to the process of copying and saving files and directories to storage media. For example, the backup is complete. This term can also refer to the collection of data that NetBackup saves for a client during a backup or archive. For example, duplicate the backup.


    Backup is two words when used as a verb. For example, back up the file.


backup agent

    A general term for the host that manages the backup on behalf of the NetBackup client. This is either another client, the NetBackup media server, or a third-party copy device.


backup, archive, and restore interface

    The name of the NetBackup Microsoft Windows and Java based user interfaces for clients. On servers these interfaces can be started through the NetBackup Administration Console.


backup window

    The period of time during which backups can begin.


barcode

    A magnetic label written on media that associates the media to its slot location in a robot.


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barcode rule

    A rule that specifies criteria for assigning attributes to new robotic volumes.


BCV

    The mirror disk in an EMC primary-mirror array configuration (see mirror). BCV stands for "Business Continuance Volume."


block size

    The number of bytes in each block of data written on the media during a backup.


bp

    A backup, archive, and restore utility for users on NetBackup UNIX clients. It has a character-based, menu interface that can be run from terminals that do not have X Windows capabilities.


bpadm

    An administrator utility that runs on NetBackup UNIX servers. It has a character-based, menu interface that can be run from terminals that do not have X Windows capabilities.


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bp.conf file

    A NetBackup configuration file on UNIX servers and also on UNIX, Macintosh, and OS/2 clients.


bp.ini file

    NetBackup initialization file for Novell NetWare target clients.


bpcd

    NetBackup Client service on Windows and the NetBackup Client daemon on UNIX.


bprd

    NetBackup Request Manager service on Windows and NetBackup Request daemon on UNIX.


bridge

    In a SAN network, a bridge connects SCSI devices to Fibre Channel. A third-party copy device can be implemented as part of a bridge or as part of other devices. Note that not all bridges function as third-party copy devices.


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BusinessCopy

    One of several frozen image methods included in the Extended Frozen Image Services (Array Integration) option. BusinessCopy is for making frozen images of client data on HP disk arrays.


CDF

    Context-dependent file, which is a type of directory structure on a Hewlett-Packard system.


cancel a job

    Terminating a job and removing it from the job queue.


carousel

    See robotic library.


catalogs

    Internal NetBackup and Media Manager databases. These catalogs contain information about configuration, media, devices, status, errors, and the files and directories in the stored backup images.


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changer

    See robotic library.


class

    See policy.


client

    The system with the files to back up, archive, or restore.


client-user interface

    See user interface.


cluster

    See master and media server cluster.


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command lines

    Commands that users can execute either from the system prompt or in scripts.


compression

    The process of compacting data to enable more efficient transmission and storage.


configuration

    The parameters that govern the behavior of an application. This term can also refer to the manner in which a network or system is laid out or connected (for example, a network configuration).


consolidated eject

    In Vault, consolidated eject is the process of ejecting media for more than one Vault session at a time. A consolidated eject can be performed for one or more logical vaults at one time.


consolidated report

    In Vault, consolidated reporting is the process of generating reports for more than one Vault session at a time. A consolidated report can be performed for one or more logical vaults at one time. Consolidated reports are organized by report title, not by vault.


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copy-on-write

    In NetBackup ServerFree Agent, one of two types of supported frozen images (see also mirror). Unlike a mirror, a copy-on-write does not create a separate copy of the client's data. It creates a block-by-block "account" that describes which blocks in the client data have changed and which have not, from the instant the copy-on-write was activated. This account is used by the backup application to create the backup copy.


cpio

    A UNIX command that can be used for copying files to or from a cpio archive on disk or tape.


ctime

    The time that a UNIX inode was changed.


cumulative-incremental backup

    A backup that is scheduled by the administrator on the master server and backs up files that have changed since the last successful full backup. All files are backed up if no prior backup has been done. Also see differential-incremental backup.


    See also cumulative-incremental backup (NetBackup for Lotus Notes Agents) and cumulative-incremental backup (NetBackup for Microsoft Exchange Agent).


cumulative-incremental backup (NetBackup for Lotus Notes Agents)

    A cumulative incremental backup will perform differently depending on the type of Lotus database.


    unlogged databases or local databases


    A cumulative-incremental backup will automatically backup all unlogged or local databases identified in the file list that have been modified since the last full backup. The last modification date is determined by the time the database itself was modified, not the time/date stamp of the database file.


    logged databases


    A cumulative-incremental backup will automatically backup only those logged databases identified in the file list that have been assigned a new DBIID since the last full backup.


    transaction logs


    When the BACKUP_TRANSACTION_LOGS file list directive is encountered in the file list, a cumulative-incremental backup will automatically backup all transaction logs identified as available for backup by the Domino server. The transaction logs will not be marked as ready to be recycled upon successful completion of the backup.


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cumulative-incremental backup (NetBackup for Microsoft Exchange Agent)

    A cumulative incremental backup backs up all changes to the database since the last full backup or differential incremental backup (However, it is not standard practice to mix cumulative- and differential-incremental backups between full backups). With this backup method, only transaction logs are backed up and they are not truncated upon completion of the backup. To perform a full restore of a Microsoft Exchange database, the data needed is contained in at most two NetBackup images. When using this backup method, the transaction logs remain intact since the last full backup.


    In a Microsoft Exchange data recovery scenario where it has been determined that the transaction logs are all intact, you may need only to restore the database from the last full backup. During recovery, Microsoft Exchange will replay all the load in the log folder. This will bring the Microsoft Exchange database back to the current date instead of to the time of the last full or incremental backup.



    Caution  Caution    Differential-incremental and cumulative-incremental backup types will fail if Database Circular Logging is configured for the Microsoft Exchange. By disabling Circular Logging, incremental backups may then be performed. See your Exchange Server Administration Guide for more information on configuring Circular Logging.

DAR (Direct Access Recovery)

    An NDMP host positions the tape to the exact location of the requested file(s), reading only the data needed for those files. Restore times can be reduced from hours to minutes.


DHCP

    Dynamic host configuration protocol. This TCP/IP protocol automatically assigns temporary IP addresses to hosts when they connect to the network.


DLT

    Digital-linear tape or tape drive type.


daemon

    A program on a UNIX system that runs in the background and performs some task (for example, starting other programs when they are needed). Daemons are generally referred to as services or processes on Windows server systems.


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database-agent clients

    Clients with additional NetBackup software that is designed to back up relational databases.


database-extension clients

    See database-agent clients.


data mover

    A Fastrax component that moves data between an EMC Symmetrix system and Fastrax-attached tape drives. Each mover has connectors for one or two Symmetrix systems, and also has SCSI channels to which multiple tapes drives can be attached.


debug logs

    Logs that can be optionally enabled for specific NetBackup and Media Manager programs and processes and then used to investigate problems.


destination storage unit

    In Vault, a storage unit that contains the resources to which the copies of the backup images will be written. There may be up to four storage units. If the duplicated backup images are to be vaulted, the destination storage unit must correspond to the robotic volume group.


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device delays

    Delays caused by the device that are beyond the control of the storage application. An example is the time required to position tape under the read and write heads.


device discovery

    An exploratory method used by Media Manager to determine which peripheral devices are visible from a given host.Visibility depends on physical attachment, device state, and the host-based system device-layer configuration.


device host

    A host where a drive or robotic control is attached or is defined that also has Media Manager installed.


device monitor

    A Media Manager administration utility that provides monitoring and manual control of Media Manager storage devices. For example, an administrator or computer room operator can use this utility to manually reset devices or set them to the UP or DOWN state.


device serialization

    A device firmware feature used by Media Manager, that allows for easier device identification and configuration.


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differential-incremental backup

    Scheduled by the administrator on the master server and backs up files that have changed since the last successful incremental or full backup. All files are backed up if no prior backup has been done. Also see cumulative-incremental backup.


    See also differential-incremental backup (NetBackup for Lotus Notes Agents) and differential-incremental backup (NetBackup for Microsoft Exchange Agent).


differential-incremental backup (NetBackup for Lotus Notes Agents)

    A differential-incremental backup will perform differently depending on the type of Lotus database.


    unlogged databases or local databases


    A differential-incremental backup will back up all unlogged or local databases identified in the file list that have been modified since the last full or incremental backup. The last modification date is determined by the time the database was last modified, not the time/date stamp of the database file.


    logged databases


    A differential-incremental backup will back up only those logged databases identified in the file list that have been assigned a new DBIID since the last full or incremental backup. transaction logs


    When the BACKUP_TRANSACTION_LOGS file list directive is encountered in the file list, a differential-incremental backup will back up all transaction logs identified as available for backup by the Domino server. The transaction logs will be marked as ready to be recycled upon successful completion of the backup.


differential-incremental backup (NetBackup for Microsoft Exchange Agent)

    A differential-incremental backup will only back up changes to the database since the last full or differential-incremental backup. With this backup method, only transaction logs are backed up. After the successful backup of the transaction logs, all committed logs will be truncated (deleted). The truncation of the transaction logs sets the context for the next backup. To perform a full restore of a Microsoft Exchange database, the data needed is contained in multiple NetBackup images. One image for the full backup and another image for each differential-incremental that was performed.


directory depth

    The number of levels below the current directory level that the NetBackup interfaces show in their directory and file list displays.


directory tree

    The hierarchical structure in which files are organized on a disk. Each directory lists the files and directories that are directly below it in the tree. On UNIX, the topmost directory is called the root directory.


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disaster recovery

    Recovering data from backups after a disk crash or other catastrophe.


disk

    Magnetic or optical disk storage media.


disk group

    A configuration of disks to create a primary-mirror association, using commands unique to the disks' vendor. See mirror and volume group.


disk-image backup

    A bit-by-bit rather than a file system backup of a disk drive on a Windows platform.


Domain Name Service (DNS)

    A program that handles name translation for network communications.


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Domino Server database (NetBackup for Lotus Notes Agents)

    Domino Server databases are managed by the Domino Server. Domino Server databases are located at or in another a directory in the Domino data directory, typically \Lotus\Domino\Data (Windows) or /db/notesdata/ (UNIX). Domino Server databases may also be linked to this Domino data directory using Lotus Linked Databases. Domino Server databases can be Logged or Unlogged.


drive cleaning

    The use of a special cleaning tape to clean the heads on a drive.


drive status

    A status indicating if a drive is available. Drive status can be UP or DOWN.


duplicate image

    A copy of a backup image.


duplicate backup

    A copy of a backup image created by a Vault duplication operation.


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EVSN

    See "external media ID."


eject

    Move media out of a robotic library.


encryption

    Provides additional security by encrypting backup data on the client. This capability is available only with the NetBackup Encryption option.


entry and exit ports

    See media access port.


exclude list

    A list that designates files or directories to exclude from automatic backups.


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expiration (image)

    The date and time when NetBackup stops tracking a backup image.


expiration (volume)

    The date and time when the physical media (tape) is considered to be no longer usable.


extent

    A contiguous set of disk blocks allocated for a file and represented by three values: device identifier, starting block address (offset in the device), and length (number of contiguous blocks). The mapping methods in ServerFree Agent determine the list of extents and send the list to the backup agent.


external media ID

    This is an identifier written on a media cartridge or canister to help the operator identify the volume before inserting it into a drive or robot. For labeled media, the external media ID should be the same as the media ID recorded on the media.


Fastrax

    An EMC data movement platform for high-speed backup and restore. Fastrax operates as a third-party copy device that moves data between an EMC Symmetrix system and Fastrax-attached tape drives. (NetBackup for Fastrax is a separately licensed product, and also requires NetBackup ServerFree Agent.)


FastResync

    Formerly known as Fast Mirror Resynchronization or FMR, FastResync performs quick and efficient resynchronization of disk mirrors. NetBackup Persistent Frozen Image utilizes this feature to create and maintain a point-in-time copy of a production disk volume.


Fibre Channel

    A type of high-speed network composed of either optical or copper cable and employing the Fibre Channel protocol. NetBackup supports both arbitrated loop and switched fabric (switched fibre channel) environments.


file system

FlashBackup

    A special type of raw-partition backup that requires the NetBackup FlashBackup separately-priced option. FlashBackup is available only for NetBackup Enterprise Server.


flush level

    Controls how often NetBackup clears its log files on a Novell NetWare or Microsoft Windows client platform.


fragment

    A part of a backup or archive image. NetBackup can be configured to divide images into fragments when they exceed a certain size or span tapes.


frequency (backup)

    How often NetBackup performs scheduled backups. For example, if the frequency is seven days then backups occur once a week.


frozen image

    A stable disk copy of the data prior to backup. A frozen image is created very rapidly, causing minimal impact on other applications. There are two basic types: copy-on-write and mirror.


frozen image method

    A set of routines for creating a frozen image.


Frozen image source

    This designates the entity (file system, raw partition, or logical volume) to which a frozen image method is applied. NetBackup automatically selects the frozen image source based on the entries in the policy's file list.


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FROZEN media state

    If a volume is FROZEN, NetBackup keeps it indefinitely and can restore from it but not use it for further backups or archives.


full backup

    A backup that copies, to a storage unit, all files and directories that are beneath a specified directory.


    See also full backup (NetBackup for Microsoft Exchange Agent) and full backup (NetBackup for Lotus Notes Agents).


full backup (NetBackup for Lotus Notes Agents)

    This backup type is used to automatically back up all the Lotus databases identified in the file list and/or the transaction logs if the BACKUP_TRANSACTION_LOGS directive is encountered in the file list. All transaction logs, identified as available for backup by the Domino server, will be marked as ready to be recycled after they are successfully backed up. The Domino server handles the actual recycling of transactions logs.


full backup (NetBackup for Microsoft Exchange Agent)

    This schedule type is used to back up the Microsoft Exchange database and associated transaction logs. All committed transaction logs will be truncated (deleted) after they are successfully backed up.


FULL media state

    If this appears in a report or listing, it indicates the volume is FULL and cannot hold more data or be used for further backups.


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GUI

    Graphical user interface.


global attributes

    NetBackup configuration attributes that affect all policies.


global device database

    A database that is the repository for global device configuration information. This information is used by Media Manager to automate device configuration and is the basis for the device configuration presented in the GUIs.


GDM Dashboard

    The name for the Global Data Manager interface. The Dashboard enables monitoring job and drive activity on multiple master servers, as well as providing alerts to problem conditions.


GDM Managed Server

    A NetBackup master server that appears as a managed master server in the left pane of the GDM Dashboard.


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GDM Server

    A NetBackup master server that has the Global Data Manager license activated. When logging into this host, the user can monitor the activity on multiple master servers using the GDM Dashboard interface. If the host has installed the Advanced Reporter option, the reports show information on multiple master servers.


Global Data Manager (GDM)

    A separately-priced option (for UNIX servers) that provides an interface with a tree view where the administrator can view and administer multiple master servers. The server where the option is installed is called a GDM Server.


Global Device Database

A single host that serves as the repository for global device configuration information. When you install NetBackup, by default the master server is configured as the global device database host.

GNU tar

    A public domain version of the UNIX tar program.


goodies directory

    A directory containing programs, scripts, and other files that are not formally supported.


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HSM

    See storage migrator.


hard link

    On UNIX, a hard link is a pointer to the inode for the data. On a Windows server, a hard link is a directory entry for a file. Every file can be considered to have at least one hard link. On NTFS volumes each file can have multiple hard links, and a single file can appear in many directories (or even in the same directory with different names).


heap level

    A parameter for memory-heap debugging on a Novell NetWare or Windows NetBackup client.


hierarchical storage management

    The process of automatically migrating selected files from a managed file system to specified migration levels on secondary storage, while maintaining transparent access to those files.


host

    A computer that executes application programs.


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host name

    Name by which a host computer is identified by programs and other computers in the network.


image

    The collection of data that NetBackup saves for an individual client during each backup or archive. The image contains all the files, directories, and catalog information associated with the backup or archive.


import

    The process of recreating NetBackup records of images so the images can be restored.


inactive node

    An inactive node is a node in which the NetBackup cluster group does not reside. The NetBackup daemons are not running on an active node.


include list

    A list that designates files or directories to add back in from the exclude list.


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incremental backup

    See cumulative-incremental backup and differential-incremental backup.


inject

    Move media into a robotic library.


inport

    See media access port.


inode

    A UNIX data structure that defines the existence of a single file.


insert

    A volume is physically placed in a robot without using an add or move option to update the volume database.


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install_path

    Directory where NetBackup and Media Manager software is installed. The default on Windows servers is C:\Program Files\VERITAS and on UNIX it is /usr/openv.


jbpSA

    The Java-based NetBackup interface for performing user backups, archives, and restores.


jnbSA

    The Java-based NetBackup interface for administrators.


job

    A parcel of work submitted to a computer. NetBackup jobs are backups, archives, or restores.


kernel

    The nucleus of an operating system.


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keyword phrase

    A textual description of a backup.


kill a job

    See "cancel a job."


label

    Identifier of a tape or optical disk volume. A recorded label includes a media ID.


    A barcode label allows a barcode scanner to be used for media tracking.


labeled volume

    A volume with a recorded media ID (that is, the volume was labeled by NetBackup or Backup Exec).


library

    See robotic library.


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library sharing

    Allows different drives in a robot to be connected to different hosts. Library sharing is supported on NetBackup Enterprise Server only.


    Also known as robot sharing.


link

    See hard link or symbolic link.


LMF - Library Management Facility

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


    This robot type is supported only by NetBackup Enterprise Server.


load

    (noun) Amount of work that is being performed by a system or the level of traffic on a network. For example, network load affects performance.


    (verb) Copy data to internal memory. For example, load the installation program.


    (verb) Used to indicate tape drive initialization performed when new media is being added.


local database (NetBackup for Lotus Notes Agents)

    Local databases are Lotus databases that are not found in the Domino data directory, cannot be shared, and cannot be logged. For this type of database, it is necessary to back up the database itself for all backup types (full, differential-incremental, and cumulative-incremental). The database can be restored only to the point of the latest database backup.


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logged database (NetBackup for Lotus Notes Agents)

    A feature of Domino R5 Server is the ability to log transactions against one or more Lotus databases. If transaction logging is enabled on the server, all logged database transactions go into a single transaction log, consisting of one or more files or extents. Where archive style transaction logging is used, the archived log files serve as the incremental backup for the logged databases. Transaction logging must be enabled in order to initiate the recovery of logged databases using NetBackup for Lotus Notes.


logs

    Files where a computer or application records information about its activities.


ltid

    The Media Manager device daemon on UNIX and the NetBackup Device Manager service on Windows.


mailslot

    See media access port.


man pages

    Online documentation provided with UNIX computer systems and applications.


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mapping

    The process of converting a file or raw device (in the file system or Volume Manager) to absolute physical disk addresses or extents for use by backup agents on the network. NetBackup ServerFree Agent uses the VxMS library to perform file mapping.


mapping methods

    A set of routines for converting logical file addresses to absolute physical disk addresses or extents. NetBackup ServerFree Agent includes support for file-mapping and volume-mapping methods.


Master and media server cluster

    A NetBackup master server and the remote media servers that it is using for additional storage. It is possible to configure clusters with NetBackup Enterprise Server only. NetBackup Server supports only a single server, the master.


Master of Masters

    A NetBackup host where Global Data Manager software is installed. When logging into this host, the interface has a tree view where the administrator can view and administer multiple master servers.


master server

    The NetBackup server that provides administration and control for backups and restores for all clients and servers in a master and media server cluster. NetBackup Server supports only a single server, and it is the master.


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media

    Physical magnetic tapes, optical disks, or magnetic disks where data are stored.


media access port

    A slot or other opening in a robot where you can insert or remove a tape without having to access the interior of the robot. After inserting a tape, you move it to a slot by using an inject command. Prior to removing a tape, you move it to the port by using an eject command. The inject and eject commands are supported through the add and move screens in the Media Manager administration interface.


Media and Device Management (MDM) domain

    A domain that includes all of the servers listed in the global device database (this domain also includes the global device database host).


    The Media and Device Management domain server is the host where the Media Manager volume database, volume pool database, barcode rule database, and global device database for a domain are located.


media host

    NetBackup server to which the job (client) is sending the data.


media ID

    An identifier that is written on a volume as part of the recorded label.


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Media Manager

    Software that is part of NetBackup and manages the storage devices and removable media.


Media Manager Host

    Host where Media Manager is installed (may have devices attached).


media server

    A NetBackup server that provides storage within a master and media server cluster. The master can also be a media server. A media server that is not the master is called a remote media server. Remote media servers are supported on NetBackup Enterprise Server only.


media type

    Media Manager classification of tape or optical media with differing physical characteristics.


menu interface

    A character-based interface for use on terminals that do not have graphical capabilities.


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migrating

    Migrating, commonly referred to as failover, occurs when a node becomes unavailable, and the cluster resources are migrated to an available node.


mirror

mount

    Make a volume available for reading or writing.


mount point

    The point where a file system on a disk logically connects to a system's directory structure so the file system is available to users and applications.


MPX

    See multiplexing.


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mtime

    The point in time when a UNIX or NTFS file is modified.


multiplexing

    The process of sending concurrent-multiple backups from one or more clients to a single storage device and interleaving those images onto the media.


multiplexed group

    A set of backups that were multiplexed together in a single multiplexing session.


multi-stream (NetBackup for Teradata Agent)

    A NetBackup backup or restore operation that will be split into multiple component stream based upon Teradata cluster configuration.


NDMP

    Network data management protocol. NDMP is a widely used protocol through which an NDMP-compliant backup application can control the backups and restores for an NDMP host. NetBackup requires the NetBackup for NDMP separately-priced option to support NDMP.


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NDMP client

    An NDMP-compliant backup application that is a client of an NDMP server. An NDMP client sends commands to the NDMP server to control the backups and restores on an NDMP host. NetBackup for NDMP is an application that allows NetBackup to be an NDMP client.


NDMP host

    A NAS (Network Attached Storage) system that runs an NDMP server application to allow backup and restore. In a NetBackup configuration, the NDMP host is considered a client of NetBackup. However, NetBackup client software is not installed on an NDMP host.


NDMP storage unit

    Stores the backup data for an NDMP host. The tape drives in this storage unit attach directly to the NDMP host or to a NetBackup media server acting as an NDMP host (for remote NDMP). These drives cannot be used to store data for non-NDMP hosts.


NetBackup authentication

    A NetBackup security level. Authentication verifies NetBackup client to server or server to server access and also controls access to the services available on that host.


NetBackup authorization

    A NetBackup security level. Authorization verifies if a NetBackup administration user has permission to use the services available on that host. Authorization provides additional security over the security provided by authentication.


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NetBackup for NDMP server

    A NetBackup master or media server that has NetBackup for NDMP installed on it.


NetBackup media database

    A database that contains media attributes (like media state and image expiration date) for media assigned to a particular NetBackup server. There is a media database on each NetBackup server.


NetBackup Media Server

    An offhost backup method provided by NetBackup ServerFree Agent, in which data movement is performed by a NetBackup media server.


NFS

    Network file system.


NIS

    Network information service.


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NLM

    NetWare loadable module.


NetBackup Client service

    NetBackup Windows service that runs on clients and servers and listens for connections from NetBackup servers and clients in the network. When a connection is made, this service starts the necessary programs.


NetBackup configuration options

    On UNIX servers and on UNIX and Macintosh, clients, these settings are made in the bp.conf file. On NetWare target and OS/2 clients, they are in the bp.ini file. On Windows servers and Windows clients, these settings are called properties and are made through the Backup, Archive, and Restore interface or the Host Properties dialog in the NetBackup Administration Console.


NetBackup databases

    See catalogs.


NetBackup Database Manager service

    NetBackup Windows service that runs on the master server and manages the NetBackup internal databases (called catalogs). This service must be running on the master server during all NetBackup administrative operations.


NetBackup Device Manager service

    The NetBackup Windows service that runs on a NetBackup server and starts the robotic control processes and controls the reservation and assignment of volumes. This service runs only if the server has devices under Media Manager control. The process is ltid.


NetBackup properties

    Same as NetBackup configuration options but are called NetBackup properties on Microsoft Windows platforms.


NetBackup Request Manager service

    The NetBackup Windows service that runs on the master server and starts the scheduler and receives requests from clients.


NetBackup Volume Manager service

    A NetBackup Windows service that runs on a NetBackup server, allows remote administration of Media Manager, and manages volume information. The process is vmd.


no rewind on close

    A device name that applies to tape drives attached to (or controlled by) UNIX devices. This type of device remains at its current position on a close operation.


Nodes

    In a server cluster, two or more servers (called nodes) are linked in a network, and run cluster software that allows each node access to the shared SCSI bus to which any number of disks can connect.


nonrobotic

    See standalone.


ODL

    Optical disk library.


offhost backup

    The off-loading of backup processing to a separate backup agent executing on another host. NetBackup ServerFree Agent contains three offhost backup options: alternate client backup, NetBackup Media Server, and Third-Party Copy Device.


off-site volume group

    In Vault, an off-site volume group is a volume group that indicates media is in off-site storage. After Vault ejects media, they are moved logically from the robotic volume group to the off-site volume group.


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off-site volume pool

    In Vault, an off-site volume pool is a volume pool that Vault searches for backup images to eject and transfer off site. Backup images can be written to an off-site volume pool by a NetBackup backup policy or by Vault.


operator

    The person responsible for performing manual intervention, for example mounting tapes.


original backup

    An original backup is a backup image created by a NetBackup backup job. NetBackup can create up to four backup copies during a policy backup; all are considered original backups. (A backup image created by the Vault duplication process is a duplicate backup.)


outport

    See media access port.


partitions

    The logical partitions into which a magnetic disk is divided.


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patch

    A program that corrects a problem or adds a feature to an existing release of software.


path length

    Number of characters in a pathname.


pathname

    The list of directories in the path to a destination directory or file.


PC clients

    NetBackup clients that have Microsoft Windows, Macintosh, or IBM OS/2 operating systems.


peername

    The name by which a computer identifies itself when establishing connections to other systems.


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pending actions

    Special requests for operator assistance to complete a tape mount request, when the request causes an error.


persistent frozen image (PFI)

    A frozen image of a client file system or volume that is retained on the client disk. Client data can be restored directly from this disk image, even after a system reboot.


policy

    Defines the backup characteristics for a group of one or more clients that have similar backup requirements.


port

    A location used for transferring data in or out of a computer.


    Also see media access port.


primary copy

    The copy of an image that NetBackup uses to satisfy restores. When NetBackup duplicates an image, the original is designated as the primary copy.


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primary disk

    In a primary-mirror array configuration, the primary is the disk on which client data is stored, and which is directly accessed by client applications. An exact duplicate of the primary disk is the mirror.


primary node or preferred node

    The node in a clustered environment that is intended to be active the majority of the time.


privileges

    The tasks or functions that a user, system, or application is authorized to perform.


profile

    A Vault profile is a template for a vault job; it is a logical construct that contains the rules for selecting, duplicating, and ejecting media. A profile is associated with a specific vault, and at least one profile must exist for every vault.


progress report

    Log where NetBackup records events that occur during user operations.


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proxy copy

    An extension to the Oracle8i Media Management API which enables media management software such as NetBackup to perform data transfer directly.


proxy restore

    A proxy restore allows you to restore files to which you have write access on a machine other than your desktop. The files must be in a backup image of the machine to which they are being restored.


QIC

    Quarter-inch-cartridge tape.


queued job

    A job that has been added to the list of jobs to be performed.


RVSN

    See recorded media ID.


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raw partition

    A single section of a raw physical disk device occupying a range of disk sectors, without a file system or other hierarchical organization scheme (thus, a "raw" stream of disk sectors). This is different from a block device, over which the file system is mounted.


raw-partition backup

    Bit-by-bit backup of a partition of a disk drive on UNIX. On Windows, this is called a disk-image backup.


rbak

    The program that Apollo clients use to read data from tape during a restore.


recorded media ID

    This is an identifier written as part of the label on a volume and used by Media Manager to ensure that the correct volume is mounted. The recorded media ID should match the external media ID.


Recovery Manager (RMAN)

    Oracle's backup and recovery program. RMAN performs backup and restore by making requests to a NetBackup shared library.


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redirected restore (different client)

    Restoring files to your client when they were originally backed up from a different client. The administrator using the interface on the master server can direct a restore to any client (this variation is called a server directed restore).


redirected restore (different target)

    On a Novell NetWare server platform running the NetBackup target version of client software, this operation restores files to a different target than the one from which they were backed up.


redirected restore (different path)

    Restores files to a different directory than the one from which they were backed up.


registry

    A Microsoft Windows database that has configuration information about hardware and user accounts.


remote administration console

    A Windows NetBackup client that has the administration interface software installed and can be used to administer NetBackup servers.


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remote media server

    A media server that is not the master. Only NetBackup Enterprise Server supports remote media servers; NetBackup Server supports only a single server, the master.


remote NDMP backup/restore

    A form of three-way backup/restore, in which data travels from an NDMP host on the network to a storage device attached to a NetBackup media server. The storage device on the NetBackup media server is used for NDMP data only. Data movement is controlled by an NDMP "mover agent" (a daemon/service) running on a supported NetBackup media server.


remove

    A volume is taken out of a robot without using a move or eject command


residence

    Attributes in the Media Manager volume database including information to show the robotic location; and includes the robot host, robot type, robot number, and slot location.


resource

    A Novell NetWare term that refers to a data set on the target. For example, in DOS, resources are drives, directories, and files. Also see target service.


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restore

    (verb) The act of restoring selected files and directories from a previous backup or archive and returning them to their original directory locations (or to a different directory).


    (noun) The process of restoring selected files and directories from a previous backup and returning them to their original directory locations (or to a different directory).


retention level

    An index number that corresponds to a user-defined retention period. There are 10 levels from which to choose (0 though 9) and the retention period associated with each is configurable. Also see retention period.


retention period

    The length of time that NetBackup keeps backup and archive images. The retention period is specified on the schedule.


robot control host

    The host that is providing the robotic control for a robot. A robot control host that is separate from the host on which NetBackup is installed applies only to NetBackup Enterprise Server.


robot number

    The unique, logical identification number of a robot.


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robot type

    Media Manager classification of robots, according to one of the following: the physical characteristics of the robot, the media type commonly used by that class of robots, or the communication methods used by the underlying robotics.


robotic arm

    The component of a robotic library that physically selects the media (tape or optical disk).


robotic control path

    The control path to a robot through a SCSI connection.


robotic library

    A peripheral device that contains a mechanism for the automated mounting and dismounting of media in tape or optical disk drives. A robot may also be called a robotic library, media changer, automated library, jukebox, or tape stacker.


robotic volume group

    In Vault, a volume group that indicates volumes reside in a robot. After Vault ejects a volume, it is moved logically from the robotic volume group to the off-site volume group.


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root

    The highest level directory in a hierarchical directory structure. In MS-DOS, the root directory on a drive is designated by a backslash (for example, the root on drive C is C:\). On UNIX, the root directory is designated by a slash (/).


    Also, a UNIX user name having administration capability.


RS-232

    An industry-standard interface for serial communications and sometimes used for communicating with storage peripherals.


RSM Interface

    Application in Windows 2000 used to manage Removable Storage Manager (RSM) devices.


RSM - Removable Storage Manager

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


    Also, a component of the Windows 2000 operating system that manages storage devices.


SAN (Storage Area Network)

    A Fibre Channel-based network connecting servers and storage devices. The storage devices are not attached to servers but to the network itself, and are visible to all servers on the network.


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SAN media server

    A server that can only back up its own data to devices Backing up of data residing on other clients on a network is not allowed.


SCSI

    Small computer system interface. This is a type of parallel interface that is frequently used for communicating with storage peripherals.


SCSI reserve/release

    A device-level protection that is used by Media Manager to avoid unintended sharing of tape devices and possible data loss problems.


secondary disk

    See mirror.


schedules

    Controls when backups can occur in addition to other aspects of the backup, such as: the type of backup (full, incremental) and how long NetBackup retains the image.


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server-directed restore

    Using the user interface on the master server to restore files to any client. Only the administrator can perform this operation.


server independent restore

    Restoring files by using a NetBackup server other than the one that was used to write the backup. Because NetBackup Server installs on one system only, this feature is available only with NetBackup Enterprise Server.


server list

    The list of servers that a NetBackup client or server refers to when establishing or verifying connections to NetBackup servers. On a Windows server and Microsoft Windows clients, you update the list through a dialog box in the interface. On a UNIX server and UNIX and Macintosh clients, the list is in the bp.conf file. On NetWare target and OS/2 clients, the list is in the bp.ini file.


service

    A program on a Windows server system that runs in the background and performs some task (for example, starting other programs when they are needed). Services are generally referred to as daemons on UNIX systems.


session

    An instance of NetBackup checking its schedules for backups that are due, adding them to its worklist, and attempting to complete all jobs in the worklist. For user backups and archives, a session usually consists of a single backup or archive.


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Session (Vault)

    A vault session consists of executing a profile or profiles.


ShadowImage

    One of several frozen image methods included in the Extended Frozen Image Services (Array Integration) option. ShadowImage is for making frozen images of client data on Hitachi disk arrays.


shared drive

    A tape drive that is shared among hosts when the Shared Storage Option (SSO) is installed. SSO applies only to NetBackup Enterprise Server; therefore, a shared drive applies only to NetBackup Enterprise Server. See Shared Storage Option (SSO).


Shared Storage Option (SSO)

    A separately priced VERITAS software option that allows tape drives (standalone or in a robotic library) to be shared dynamically among multiple NetBackup and Storage Migrator servers.


    This option is supported only on NetBackup Enterprise Server.


single-stream (NetBackup for Teradata Agent)

    A NetBackup backup or restore that will be performed over one stream.


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SMDR

    Storage management data requestor, a Novell NetWare program that provides its services transparently to all SMS modules and lets remote and local modules communicate with one another.


SMS

    Novell NetWare storage management services.


snapshot mirror

    An exact copy of a primary volume at a particular moment, reproduced on a physically separate device. Snapshot mirrors are created by the VERITAS Volume Manager (VxVM).


source volume group

    In Vault, a volume group from which Vault selects backup images to duplicate. Selecting a source volume group restricts the search for images to those in that volume group rather than images in all volume groups. Usually, a source volume group is specified if your master server has access to multiple robots and you want to duplicate images that reside on media in one robot to media in another robot. The images that are read are in the source volume group in one robot; the images are written to media in the robotic volume group in another robot.


    If you do not do duplication in Vault, you do not hve to specify a source volume group.


SSO

    See Shared Storage Option (SSO).


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stacker

    Usually a small robotic library that contains one drive only. See robotic library.


standalone

    A qualifier used with drives and media to indicate they are not associated with a robot. For example, a standalone tape drive is one where you must manually find and insert tapes before using them. A standalone volume is one that is located in a standalone drive or is stored outside of a drive and designated as standalone in the volume configuration.


standard device

    Refers to the primary disk in an EMC primary-mirror disk array (see primary disk).


status code

    A numerical code, usually accompanied by a troubleshooting message, that indicates the outcome of an operation.


storage migrator

    Refers to the VERITAS Storage Migrator line of hierarchical storage management products for UNIX and Windows. These products make extra room on a disk by transparently moving data to other storage and then transparently retrieving the data when it is needed by a user or application.


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storage unit

    Refers to a storage device where NetBackup or Storage Migrator stores files. It can be a set of drives in a robot or consist of one or more single tape drives that connect to the same host.


SUSPENDED media state

    If a volume is SUSPENDED, NetBackup can restore from it but cannot use it for backups. NetBackup retains a record of the media ID until the last backup image on the volume expires.


SYMAPI

    The Symmetrix Application Programming Interface from EMC that allows NetBackup to communicate with Symmetrix disk arrays, Fastrax, and the Fastrax-attached tape drives.


symbolic link

    On a UNIX system, this is a pointer to the name of the file that has the source data.


SYMCLI

    The Symmetrix Command Line Interface from EMC that allows NetBackup to communicate with Symmetrix disk arrays, Fastrax, and the Fastrax-attached tape drives.


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Symmetrix

    A line of EMC disk storage systems (disk arrays). In a NetBackup for EMC Fastrax configuration, the data to be backed up resides on a Symmetrix storage system. For a backup, the data is moved from the Symmetrix storage through a Fastrax unit to a Fastrax-attached tape drive.


synthetic backup

    A full or cumulative backup image produced by processing component images.


system administrator

    A person with typical UNIX or Windows administrator privileges and responsibilities.


TIR

    See true image restore.


TapeAlert

    Allows reactive cleaning for most drive types and is a function of the tape drive.


tape format

    The format that an application uses to write data on a tape.


tape marks

    A mark that is recorded between backup images on a tape.


tape overhead

    The space required for data that is not part of the backup images. For example, tape marks and catalogs of what are on the tape are considered overhead.


tape spanning

    Using more than one tape to store a single backup image.


tar

    Tape Archive program that NetBackup uses to extract backup images during a restore.


target

    See target service.


target service

    A Novell NetWare service that needs storage management. The SMS views all services (for example, print services, communication services, workstations) as targets.


Target Service Agent

    A Target-service agent is a Novell NetWare agent that prepares the target's data for SMS during a backup and for the target during a restore.


template

    The NetBackup for Oracle and NetBackup for DB2 database agents provide wizards that are used to create backup and recovery templates. These wizards are initiated from the NetBackup Backup, Archive, and Restore interface. The templates created by the wizards do not support all of the database commands and options provided by the native database utilities. A shell script should be written for situations where a template does not provide all of the required functionality.


Third-Party Copy Device

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three-way backup/restore

    Data travels between an NDMP host and a storage device that is attached to another NDMP host (or to a NetBackup media server) on the network. This contrasts with local NDMP backup/restore, where the data travels between an NDMP host's disk and a storage device directly attached to the same NDMP host.


TimeFinder

    One of several frozen image methods included in the Extended Frozen Image Services (Array Integration) option. TimeFinder is for making frozen images of client data on EMC Symmetrix disk arrays.


TLD - Tape Library DLT

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


TLH - Tape Library Half-inch

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


    This robot type is supported only by NetBackup Enterprise Server.


TLM - Tape Library Multimedia

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


    This robot type is supported only by NetBackup NetBackup Server.


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TL4 - Tape Library 4MM

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


TL8 - Tape Library 8MM

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


timeout period

    The period of time that an application has allotted for an event to occur.


tpconfig

    A Media Manager administration utility for configuring devices which is started from the command line. On UNIX, it has a character-based menu interface that can be run from terminals that do not have X Windows capabilities. tpconfig also has a command line interface.


transfer rate

    The rate at which computer information is transferred between a source and a destination.


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transport

    See robotic arm.


true image restore

    Restores the contents of a directory to what it was at the time of any scheduled full or incremental backup. Previously deleted files are ignored.


TS8 - Tape Stacker 8MM

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


TSA

    See Target Service Agent.


TSD - Tape Stacker DLT

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


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TSH - Tape Stacker Half-inch

    A Media Manager designation for a category of robot. For the specific vendor types and models in this category, see the VERITAS support web site.


ufs file system

    This is the UNIX File System (ufs), which is the default file system type on Sun Solaris. The ufs file system was formerly the Berkeley Fast File System.


unassigned media

    Media that contain no valid images. A piece of unassigned media has an entry in the volumes database but no entries in the images database. Unassigned Media do not have a "time assigned" in the Media section of the GUI.


unlabeled volume

    A volume that does not have recorded media IDs.


unlogged database (NetBackup for Lotus Notes Agents)

    An unlogged database is one in which transaction logging is not enabled, or has been disabled for specific server database(s).


    Unlogged Domino Server databases will be backed up when a full backup, a differential-incremental backup or a cumulative-incremental backup is performed. The database can be restored only to the point of the latest database backup.


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user

    A person or application (for example, NetBackup) that initiates requests.


user interface

    The program used to perform user backups, archives, and restores.


user operation

    A backup, archive, or restore that is started by a person on a client system.


Vault

    Vault is a separately-priced NetBackup option that provides off-site backup management. Vault automates the process of off-site media rotation (a critical component of any backup or disaster recovery strategy). Vault manages off-site storage and retrieval of media for original backups, duplicate backups, and catalog backups. Additionally, NetBackup Vault generates reports to track the location and content of each piece of media.


vault

    In the context of the NetBackup Vault, a vault is logical entity associated with a particular robot that acts as a designated holding place for backups that will eventually be sent to a physical offsite vault. The term ‘vault' is used to refer both to the process, and to the physical storage location of a set of tapes offsite.


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vault process

    Vaulting is the process of choosing backup images to duplicate or eject, optionally duplicating backups, ejecting duplicate or original media, storing it at an offsite location, and later returning expired media to your robot. Vaulting is an integral part of the disaster recovery process.


verbose flag

    Configuration file entry that causes a higher level of detail to be written in the logs.


verify

    An operation that compares the list of files that are actually on a volume with what NetBackup has recorded as being on it. The data that is on the media is not verified.


virtual circuit (VC)

    The connection, between an EMC Symmetrix array and a tape drive, through which the backup image flows during a Fastrax backup.


virtual host name

    The name of the cluster as known by the NetBackup environment. This is the name that the clients will have in their server list. It is also the name that the server uses when communicating to the client nodes.


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virtual IP address

    This is the IP address of the cluster. The address that the virtual server name should resolve to.


vmadm

    A Media Manager administrator utility for managing volumes. It runs on UNIX and has a character-based, menu interface that can be run from terminals.


vm.conf

    A Media Manager configuration file with entries that include the servers that can manage local devices and default media ID prefixes for media that do not contain barcodes.


vmd

    The Media Manager volume daemon on UNIX and the NetBackup Volume Manager service on Windows.


volume

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volume configuration

    Refers to configuration information that is stored in the Media Manager volume database.


volume database

    The database that is the repository for Media Manager volume configuration information.


    The volume database host is a Media Manager host where this database is stored. Each robot and


volume database host

    The host (where Media Manager is installed) that contains information about the volumes that Media Manager uses in a device. Because NetBackup Server supports only a single server, the volume database host is always on the same server.


volume group

    A logical grouping that identifies a set of volumes that reside at the same physical location.


volume pool

    A logical grouping that identifies a set of volumes by usage.


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VxMS (VERITAS Federated Mapping Services)

    A library of routines (methods) used by NetBackup ServerFree Agent to obtain the physical addresses of logical disk objects such as files and volumes.


wakeup interval

    The time interval at which NetBackup checks for backups that are due.


wildcard characters

    A character that can be used to represent other characters in searches.


Microsoft Windows

    (noun) Describes a line of operating systems developed by Microsoft, Inc.


    For more information on the Windows operating systems that NetBackup supports, refer to the VERITAS support web site at http://www.support.veritas.com.


Windows

    (adjective) Used to describe a specific product or clarify a term, for example Windows 2000, Windows .NET, Windows servers, Windows clients, or Windows GUI.


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Windows Display Console

    A NetBackup-Java interface program that runs on Windows platforms that are supported by VERITAS. Users can start this interface on their local system, connect to a UNIX system that has the NetBackup-Java software installed, and then perform any user operations that their permissions allow.


WORM media

    Write-once, read-many media for optical disks.


xbp

    The X Windows-based backup, archive, and restore program for users on NetBackup UNIX clients.


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Product: NetBackup System Administrator's Help  
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