Glossary

modification date is kept. Files not present on the disk are always restored. See also overwrite.

Microsoft Exchange Server

A“client-server” messaging and a workgroup system that offers a transparent connection to many different communication systems. It provides users with an electronic mail system, individual and group scheduling, online forms, and workflow automation tools. It provides a developer with a platform on which to build custom information- sharing and messaging-service applications.

Microsoft Management Console

(MMC) (Windows specific term)

An administration model for Windows- based environments. It provides a simple, consistent, and integrated administration user interface allowing management of many applications through the same GUI, provided that the applications adhere to the MMC model.

Microsoft SQL Server

A database management system designed to meet the requirements of distributed "client-server" computing.

Microsoft Volume Shadow Copy service (VSS)

A software service that provides a unified communication interface to coordinate backup and restore of a VSS-

aware application regardless of its specific features. This service collaborates with the backup application, writers, shadow copy providers, and the operating system kernel to implement the management of volume shadow copies and shadow copy sets.

See also shadow copy, shadow copy provider, writer.

mirror (EMC Symmetrix and HP StorageWorks Disk Array XP specific term)

See target volume.

mirror rotation (HP StorageWorks Disk Array XP specific term)

See replica set rotation.

MMD

The Media Management Daemon process (service) runs on the Data Protector Cell Manager and controls media management and device operations. The process is started when Data Protector is installed on the Cell Manager.

MMDB

The Media Management Database (MMDB) is a part of the IDB that contains information about media, media pools, devices, libraries, library drives, and slots configured in the cell, as well as the Data Protector media used for backup. In an enterprise backup

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