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Dell POWEREDGE R720 User Manual

Page 6

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automatic RAID
configuration

In the context of Dell EqualLogic PS Series groups, an internal process that configures the
user-selected RAID policy on the array.

Auto-Snapshot
Manager/Microsoft
Edition (ASM/ME)

A snap-in console application for the Microsoft Management Console that enables you to
administer Smart Copies.

Auto-Snapshot
Manager/VMware
Edition (ASM/VE)

A web-based application that works with VMware virtual environments to enable you to
administer Smart Copies.

available space

Amount of total storage available on all drives.

back end

In Dell Compellent Storage Center, an isolated and dedicated network that connects the
controller or storage cluster (e.g., redundant pair of controllers) to local disk enclosures.

back end network

Connection between controller and disks in the Dell Compellent Storage Center Controller.

base volume (Dell
EqualLogic PS Series)

A volume mounted on the computer and reachable through its Windows-assigned drive
letter (such as G:) or mount point.

base volume (Dell
EqualLogic Group
Manager)

A volume that has snapshots. Snapshots depend on the base volume. If the base volume is
destroyed, the snapshots have been removed.

Baseboard
Management Controller
(BMC)

A server management module that implements the IPMI (Intelligent Platform Management
Interface) protocol. In the context of Dell AIM, the Controller uses the BMC to control some
models of servers remotely.

blade

For the Dell AIM SDK, blade is an element of the host superclass. For Dell modular systems,
a blade refers to a modular server which is mounted into an enclosure.

BMC

See Baseboard Management Controller.

Bootable media

A CD, SD card, or USB memory key that is used to start your system if the system will not
boot from the hard drive.

cache

A fast storage area that keeps a copy of data or instructions for quick data retrieval.

CHA

See Compellent Host Adapter.

Challenge Handshake
Authentication Protocol
(CHAP)

Challenge Handshake Authentication Protocol, a network login protocol that uses an
encrypted challenge-response mechanism. Used to limit access to volumes and snapshots
to hosts that supply the correct account name and password. CHAP is also used for login/
administrator accounts.

channel

In the Dell/AIM environment, one of up to eight physical connections you can assign to
switch ports and that you can connect to a persona using up to eight physical NICs. You can
configure a network to prefer one or two channels for its traffic, so if the preferred channel
fails traffic is transparently rerouted to the other channel.

CHAP

See Challenge Handshake Authentication Protocol.

chassis switch

In the context of Dell AIM, an Ethernet switch in a bay in a chassis. Chassis switches are
managed by the Controller.

client device
communication
certificate

In the context of EKM, a specialized encrypted key that allows a client to communicate with
the server.

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