HP P6000 manual Glossary, Eva

Glossary

	This glossary defines terms that are used in this guide or are related to the software.
A
array	A synonym of storage array, storage system, and virtual array. A group of disks in one or more
	disk enclosures combined with controller software that presents disk storage capacity as one or
	more virtual disks.
array-based	A management structure in which HP P6000 Command View is installed on the management
management	module within the array controller enclosure.
C
client	An intelligent device that requests services from other intelligent devices. In the context of EVA
	software, a client is a computer used to access the software remotely using a supported browser.
consistency group	A collection of related virtual disks against which operations should be performed together
	(consistently).
controller software	Software used by array controllers to manage all aspects of array operations.
D
default disk group	The disk group created when the array is initialized. The disk group must contain a minimum of
	eight disks. The maximum is the number of installed disks.
disk group	A named group of disks selected from all the available disks in a disk array. One or more virtual
	disks can be created from a disk group. Also refers to the physical disk locations associated with
	a parity group.
DR group	Data replication group. A logical group of virtual disks in a remote replication relationship with
	a corresponding group on another array.
DR relationship	When one array mirrors data to a second, remote array, they are said to have a DR relationship.
E
enabled host	A host that is equipped with a replication manager host agent.
EVA	Enterprise Virtual Array. An HP disk array product that allows pooled disk capacity to be presented
	to hosts as one or more variably sized physical devices. An EVA consists of disks, controllers,
	cables, power supplies, and controller software. Storage system, virtual array, and storage array
	are other names for an EVA.
F
failover	The process that occurs when one device assumes the workload of a failed companion device.
	Failovers can be planned or unplanned.
FCoE	Fiber Channel over Ethernet.
G
general-purpose	A server that runs customer applications such as file and print services.
server
H
host	A computer that runs user applications and uses the information stored on an array.

100 Glossary