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G-26
Glossary
and recovery information between Lotus
Domino Server and a backup solution,
like Data Protector.
LVM
A Logical Volume Manager is a
subsystem for structuring and mapping
physical disk space to logical volumes
on UNIX systems. An LVM system
consists of several volume groups,
where each volume group has several
volumes.
Magic Packet
See Wake ONLAN.
mailbox (Microsoft Exchange Server
specific term)
The location to which e-mail is
delivered, which is set up by the
administrator for each user. If a set of
personal folders is designated as the e-
mail delivery location, e-mail is routed
from the mailbox to this location.
Mailbox Store (Microsoft Exchange
Server specific term)
A part of the Information Store that
maintains information about user
mailboxes. A mailbox store consists of a
binary rich-text .edb file and a streaming
native internet content .stm file.
Main Control Unit (MCU) (HP
StorageWorks Disk Array XP specific
term)
An HP StorageWorks XP disk array that
contains the primary volumes for the
Continuous Access configuration and
acts as a master device.
See also BC (HP StorageWorks Disk
Array XP specific term), CA (HP
StorageWorks Disk Array XP specific
term), and HP StorageWorks Disk
Array XP LDEV.
Manager-of-Managers (MoM)
See Enterprise Cell Manager.
Media Agent
A process that controls reading from and
writing to a device, which reads from or
writes to a medium (typically a tape).
During a backup session, a Media Agent
receives data from the Disk Agent and
sends it to the device for writing it to the
medium. During a restore session, a
Media Agent locates data on the backup
medium and sends it to the Disk Agent.
The Disk Agent then writes the data to
the disk. A Media Agent also manages
the robotics control of a library.
MAPI (Microsoft Exchange specific
term)
The MAPI (Messaging Application
Programming Interface) is the
programming interface that lets
applications and messaging clients
interact with messaging and information
systems.