Glossary – Dell PowerEdge R530 User Manual

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Glossary

ACPI

See advanced configuration and power interface.

active control module

For Dell EqualLogic PS Series arrays in a dual-control module array, the control module that
is actively servicing I/O on a network. If it ceases to function, it fails over to the secondary
control module. See secondary control module.

active Controller

The Dell AIM Controller that is actively managing the Dell AIM environment.

active space

In Dell Compellent Storage Center, the amount of space that is used by a volume, excluding
replays. This amount does not include RAID overhead. See Replay.

actual space

In Dell Compellent Storage Center, the amount of active space plus replay space for a
volume. See active space, Replay space.

advanced configuration
and power interface
(ACPI)

A standard interface for enabling the operating system to direct configuration and power
management.

agent

In the Dell AIM environment (VMRacks based on Red Hat Xen and Microsoft Hyper-V, plus
personas), the optional software installed on elements that the Controller uses to manage
the elements and configure their networking properties.

agentless persona

A Dell AIM persona that does not have the Dell AIM agent installed.

ambient temperature

The temperature of the area or room where the system is located.

array member

A Dell EqualLogic PS Series array configured into a PS Series group. Groups can have
several members.

array serial number

In the Dell EqualLogic PS Series array environment, a unique Dell EqualLogic PS Series array
identification string that is encoded in the array's hardware. See service tag.

ASM/ME

See Auto-Snapshot Manager/Microsoft Edition.

ASM/VE

See Auto-Snapshot Manager/VMware Edition.

Asset Management
Appliance

A Dell KACE appliance-based asset management solution for IT professionals that tracks
software and license compliance. It automates the management of inventory, software
assets, versions, upgrades, and computers through a web-based dashboard.

asset tag

An individual code assigned to a system, usually by an administrator, for security or tracking
purposes.

Assigned Disks

In Dell Compellent Storage Center, physical storage media assigned to a disk folder in order
to become managed and used for storing volumes and replays. See disk folder, Storage
Pool.

assignment mode

A mechanism to control how personas and VMRacks are assigned to hosts based on the
availability of HBAs in the host. See HBA.

async/asynchronous
replication

The process of writing data to local storage then queuing that data for storage on a remote
SAN. If the local SAN fails before a write is delivered, it is possible that the replication will
fail. See replication, synchronous replication, remote instant replay.

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