Actions pane

The right pane in DPM Administrator Console. The Actions pane lists the operations that an administrator can perform within a selected task area.

See Also: Details pane, display pane

agent coordinator

See definition for: DPM Agent Coordinator

auto discovery

The daily process by which DPM automatically detects new or removed computers on the network.

autoloader

Tape drive and a robotic arm that automatically handles tape; also called autochanger

bar code

A machine-readable label that identifies objects, such as physical media.

bar code reader

A hardware component in a library that can scan bar codes.

bare metal recovery

A feature that helps you recover a system that will not start.

change journal

A feature that tracks changes to NTFS volumes, including additions, deletions, and modifications. The change journal exists on the volume as a sparse file.

cleaning tape

Tape used to clean heads on a tape drive.

cmdlet

A single-feature command-line tool that is used to manipulate objects in Windows PowerShell.

consistency check

The process by which DPM checks for and corrects inconsistencies between a protected data source and its replica. A consistency check is performed only when normal mechanisms for recording changes to protected data, and for applying those changes to replicas, have been interrupted.

custom volume

A volume that is not in the DPM storage pool and is specified to store the replica and recovery points for a protection group member.

data loss tolerance

The maximum amount of data loss, measured in time, that is acceptable to business requirements.

data source

A share, volume, share, database, storage group, or system state that is a member of a protection group.

detailed inventory

The reading of the header area of a tape in the library to identify the on-media identifier (OMID) on each tape.

Details pane

The lower left pane in DPM Administrator Console. The Details pane provides detailed information about an item selected in the Display pane.

See Also: Actions pane, display pane

dismount

To remove a removable tape or disc from a drive.

display pane

The upper left pane in DPM Administrator Console. The display pane provides information and access to functionality for the selected task area.

See Also: Actions pane, Details pane

DPM

Acronym for Microsoft System Center Data Protection Manager.

DPM Administrator Console

A Microsoft Management Console (MMC) snap-in that provides access to the administrative functions of DPM. DPM Administrator Console allows administrators to configure data protection, perform data recovery operations, and monitor and report on these activities.

DPM Agent Coordinator

The service that manages installation and uninstallation of the DPM protection agent.

DPM Alerts log

A log that stores DPM alerts as Windows events so that the alerts can be displayed in Microsoft Operations Manager (MOM).

DPM database (DPMDB.mdf)

The SQL Server database that stores DPM settings and configuration information.

DPM Management Pack

A licensed set of processing rules, filters, and alerts, which can be imported onto a MOM Management Server to enable an administrator to centrally monitor data protection, state, health, and performance of multiple DPM servers in Microsoft System Center Operations Manager 2007.

DPM Management Shell

The command shell, based on Windows PowerShell (Powershell.exe), that makes available the cmdlets that perform functions in Data Protection Manager.

DPM protection agent

Software, installed on a computer, that tracks changes to protected data and transfers the changes to the DPM server. The protection agent also identifies data on a computer that can be protected and is involved in the recovery process.

DPM protection agent service

MsDpmProtectionAgent.exe, the component of DPM that synchronizes replicas of protected data with the data sources. The DPM protection agent service receives changes to data from the protected computers and applies the changes to the replicas on the DPM server.

DPM service

The core component of DPM. The DPM service manages all core DPM operations, including replica creation, synchronization, and recovery point creation.

DPM Writer service

A service that manages backup shadow copies of DPM replicas, and backups of the DPM and Report databases, for purposes of data archival. The DPM Writer service is invoked by the DpmBackup command-line tool.

DPMADSchemaExtension

A command-line tool that enables a schema administrator to configure Active Directory for the purpose of enabling end-user recovery.

DpmBackup

A command-line tool that enables an administrator to archive the contents of an DPM server by using tape backup software that is not specifically designed for use with DPM.

DPMDB.mdf

The file name of the DPM database, the SQL Server database that stores DPM settings and configuration information.

DPMDBReaders group

A group, created during DPM installation, that contains all accounts that have read-only access to the DPM database. The DPMReport account is a member of this group.

DpmPathMerge

A command-line tool that removes extraneous path information from data that has been restored to a DPM server from tape.

DPMReport account

The account that the Web and NT services of SQL Server Reporting Services use to access the DPM database. This account is created when an administrator configures DPM reporting.

DpmSync

A command-line tool that provides disaster recovery functionality for DPM. DpmSync restores the DPM database and the Report database, and synchronizes the DPM database with the state of the storage pool and the installed protection agents.

end-user recovery

A feature that enables an end user to independently recover data by retrieving a shadow copy. This feature requires the shadow copy client software.

enterprise license

A license that authorizes protection of both file and application resources on a single computer.

express full backup

A synchronization operation in which the protection agent transfers a snapshot of all blocks that have changed since the previous express full backup (or initial replica creation, for the first express full backup).

fast inventory

The reading of the barcode of each tape in the library.

free tape

Tape that is available to be written to by operations such as backup or copy.

FsPathMerge

A command-line tool that removes extraneous path information from data that has been restored to a protected file server from tape.

imported tape

Tape that contains content that was created by another DPM server.

insert/eject port (I/E port)

A port in a library that transports tapes to and from library slots. Also known as mailslot.

logical unit number (LUN)

A logical reference to a portion of a storage subsystem. For example, in a disk storage subsystem, a LUN can comprise a disk, a section of a disk, a whole disk array, or a section of a disk array in the subsystem.

MICROSOFT$DPM$

The name that DPM Setup assigns to the SQL Server instance used by DPM.

MICROSOFT$DPM$Acct account

The low-privilege account under which DPM runs its SQL Server and SQL Agent services. This account is created during DPM installation.

Microsoft$DPMWriter$ account

The low-privilege account under which DPM runs the DPM Writer service. This account is created during DPM installation.

mount

To move a tape from a storage slot to a drive.

MsDpmProtectionAgent.exe

The protection agent service.

MsDpmSnAgent.exe

The storage node agent service.

MSDPMTrustedMachines group

A group that contains the domain accounts for computers that are authorized to communicate with the DPM server. DPM uses this group to ensure that only computers that have the DPM protection agent installed from a specific DPM server can respond to calls from that server.

MSSQL$MICROSOFT$DPM$ service

See definition for: SQL Server service (MSSQL$MICROSOFT$DPM$)

network bandwidth usage throttling

A performance optimization in DPM that limits the percentage of network bandwidth that protection and recovery jobs can consume.

on-media identifier (OMID)

Labels that are electronically recorded on each tape

on-the-wire compression

A performance optimization in DPM that reduces the size of data transferred during replica creation and synchronization, thereby increasing the rate of data throughput without negatively affecting network performance.

primary DPM server

A DPM server that protects file or application data sources.

See Also: secondary DPM server

protected member

A data source within a protection group.

See Also: data source, protection group member

protected computer

A computer that contains data sources that are protection group members.

protection

In DPM, the process of protecting data from loss or corruption by centrally creating and maintaining replicas and recovery points of the data.

See Also: recovery

protection agent

See definition for: DPM protection agent

protection configuration

The collection of settings that are common to a protection group; specifically, the protection group name, disk allocations, replica creation method, and on-the-wire compression.

protection group

A collection of data sources that share the same protection configuration.

See Also: data source

protection group member

A data source within a protection group.

See Also: data source, protected member

protection policy

The collection of recurring job definitions and schedules associated with a protection group.

prune

The task of removing entries from the tape catalog.

recovery

In DPM, the process by which an administrator or end user recovers previous versions of protected data from recovery points on the DPM server.

See Also: protection

recovery collection

The aggregate of all recovery jobs associated with a single recovery operation.

recovery goals

The retention range, data loss tolerance, and frequency of recovery points for protected data.

recovery point

The date and time of a previous version of a data source that is available for recovery from media that is managed by DPM.

recovery point volume

A volume on the DPM server that contains the shadow copies and recovery points for a protected data source.

replica

A complete copy of the protected data on a single volume, database, or storage group. Each member of a protection group is associated with a replica on the DPM server.

replica creation

The process by which a full copy of data sources, selected for inclusion in a protection group, is transferred to the DPM storage pool. The replica can be created over the network from data on the protected computer or from a tape backup system. Replica creation is an initialization process that is performed for each data source when the data source is added to a protection group.

replica volume

A volume on the DPM server that contains the replica for a protected data source.

Report database (ReportServer.mdf)

The SQL Server database that stores DPM reporting information.

ReportServer service

The local report service that manages, executes, renders, schedules, and delivers DPM reports.

ReportServer.mdf

In DPM, the file name for the Report database--a SQL Server database that stores reporting information.

rescan

The operation of searching for new tape libraries and stand-alone tape drives attached to the DPM server, and for storage nodes managed by the DPM server.

retention range

Duration of time for which the data should be available for recovery.

secondary DPM server

An DPM server that protects one or more primary DPM servers in addition to file and application data.

See Also: primary DPM server

shadow copy

A point-in-time copy of files and folders that are stored on the DPM server. Shadow copies are sometimes referred to as snapshots.

shadow copy client software

Client software that enables an end user to independently recover data by retrieving a shadow copy.

See Also: end-user recovery

slot

The storage location for a tape in a library.

snapshot

See definition for: shadow copy

SQL Agent service (SQLAgent$MICROSOFT$DPM$)

The SQL Server agent that manages the DPM jobs schedule.

SQL Server service (MSSQL$MICROSOFT$DPM$)

The SQL Server service that manages the DPM database.

SQLAgent$MICROSOFT$DPM$

See definition for: SQL Agent service (SQLAgent$MICROSOFT$DPM$)

stand-alone tape drive

A single-drive, non-automated tape drive that holds a single tape.

standard license

A license that authorizes protection of file resources on a single computer.

storage area network (SAN)

A set of interconnected devices (such as disks and tapes) and servers that are connected to a common communication and data transfer infrastructure such as Fibre Channel.

storage pool

In DPM, a set of disks that store replicas and recovery points for protected data.

suspect tape

A tape that has conflicting identification information, such as the barcode or the on-media identifier.

synchronization

The process by which DPM transfers changes from the protected computer to the DPM server, and applies the changes to the replica of the protected volume.

synchronization with consistency check

See definition for: consistency check

tape catalog

Maps data to the tape on which the data is stored.

tape drive

A device that can read or write data to tape. A library contains one or more tape drives.

tape label

Unique identifier for tape. For non-writable tapes, this may be a serial number.

tape library

A data-storage system that consists of removable tape and a hardware device that can read from or write to the tape.

tape set

An ordered collection of backup tapes written to by one or more backup operations using a constant number of backup devices.

task area

A grouping of related tasks in DPM Administrator Console. The console has five task areas: Monitoring, Protection, Recovery, Reporting, and Management.

See Also: Actions pane, Details pane, display pane

unknown tape

Tape that has not been identified by the DPM server.

unrecognized tape

Tape that contains content that was not created by DPM.