HP B6960-90078 manual Microsoft Volume Shadow Copy service VSS, MoM, Mount point

Glossary

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 (ZDB specific term) See replica unit.

mirror rotation (HP StorageWorks Disk Array XP specific term)

See replica storage 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 environment, this part of the database can be common to all cells.

See also CMMDB, CDB.

MoM

Several cells can be grouped together and managed from a central cell. The management system of the central cell is the Manager-of-Managers (MoM). The MoM allows you to configure and manage multiple cells from a central point.

mount request

A screen prompt that tells you to insert a specific medium into a device. Once you respond to the mount request by providing the required medium and confirm the mount request, the session continues.

mount point

The access point in a directory structure for a disk or logical volume, for example /opt or d:. On UNIX the mountpoints are displayed using the bdf or df command.

MSM

The Data Protector Media Session Manager, which runs on the Cell Manager and controls media sessions, such as copying media.

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