HP StorageWorks EVA Cluster Extension Software Administrator Guide (T3667-96045, April 2010)

managed set A selection of resources grouped together for convenient management. For

example, you can create a managed set to manage all DR groups whose sources

reside in the same rack.

management

server

A server on which HP Enterprise Virtual Array (EVA) management software is

installed, including HP Command View EVA and HP Replication Solutions

Manager, if used. A dedicated management server runs EVA management

software exclusively. Other management servers include general purpose servers,

HP ProLiant Storage Server (NAS) models, and the HP OpenView Storage

Management Appliance.

MB Megabyte.

merge The act of transferring the contents of the write history log contents to the

destination virtual disk to synchronize the source and destination.

MMC Microsoft Management Console.

MNS Majority node set quorum. A quorum-capable resource introduced by Microsoft

with Windows Server 2003. A single quorum resource that allows you to build

clusters with nodes that are geographically separated.

MSCS Microsoft Cluster Service.

NIC Network interface card. A device that handles communication between a device

and other devices on a network.

normalization The initial full copy that occurs between a source vdisk to the destination vdisk.

OCF Open Cluster Framework.

primary site Controller pair residing at the data center that contains the source data. A storage

system may be considered a primary site for some vdisks and an alternate site

for other vdisks.

quorum In MSCS, a cluster resource that has been configured to maintain essential cluster

data and recovery information. If a node fails, the quorum acts as a tie-breaker

and is transferred to a surviving node to ensure that data remains consistent

within the cluster.

relationship The arrangement created when two storage systems are partnered for the purpose

of replicating data between them.

RHCS Red Hat Cluster Suite

SCSI Small Computer Systems Interface. A standard, intelligent parallel interface for

attaching peripheral devices to computers, based on a device-independent

protocol.

site failover Command to change a destination role to a source role at the designated site.