HP P6000 Cluster Extension Software Installation Guide (5697-0987, June 2011)

Glossary

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.

CA HP P6000 Continuous Access. CA lets you create and maintain duplicate copies

of local logical volumes on a remote storage system.

CLI Command-line interface. An interface comprised of various commands which

are used to control operating system responses.

command device A volume on the storage system that accepts HP Continuous Access or HP Business

Copy control operations that are then executed by the storage system.

CV EVA HP Command View Enterprise Virtual Array, a software product for managing

P6000/EVA arrays. Command View runs on a Windows-based management

workstation.

CVS Custom volume size. CVS devices (OPEN-x CVS) are custom volumes configured

using array management software to be smaller than normal fixed-size OPEN

system volumes.

See also VSC.

destination The targeted recipient (for example, array or virtual disk) of replicated data.

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.

DLL Dynamic-link library.

DR Data replication.

DR group Data replication group. A named group of virtual disks selected from one or

more disk groups so that they replicate to the same destination, fail over together

if a member virtual disk fails, and preserve write order within the group.

DSM Device Specific Module.

enhanced

asynchronous

mode

A write mode in which all host write I/Os are added to the write history log. The

controller then acknowledges that data has been written at the source before

being copied at the destination.

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.