Dell PowerEdge R410 User Manual
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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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