6.5

Global Catalog Server
A global catalog is a domain controller that stores a copy of all Active Directory objects in a forest. The
global catalog stores a full copy of all objects in the directory for its host domain and a partial copy of all
objects for all other domains in the forest.
Graceful (Clean) Shutdown
A shutdown of vCenter Server Heartbeat based upon completion of replication by use of the vCenter
Server Heartbeat Console, resulting in no data loss.
Group
An arbitrary collection of vCenter Server Heartbeat Clusters used for organization.
Hardware Agnostic
A key vCenter Server Heartbeat feature allowing for the use of servers with dierent manufacturers,
models, and processing power in a single vCenter Server Heartbeat Cluster.
Heartbeat
The packet of information issued by the passive server across the Channel, which the active server responds
to indicating its presence.
Heartbeat Diagnostics
The umbrella name for the vCenter Server Heartbeat process and tools used to verify the production
servers health and suitability for the implementation of a vCenter Server Heartbeat solution.
Heartbeat Diagnostics Report
A report provided upon the completion of the Heartbeat Diagnostics process that provides information
about the server, system environment, and bandwidth.
High Availability (HA)
Keeping users seamlessly connected to their applications regardless of the nature of a failure. LAN
environments are ideally suited for HA.
Hotx
A single, cumulative package that includes one or more les that are used to address a problem in a
product.
Identity
The position of a given server in the vCenter Server Heartbeat Cluster: Primary or Secondary.
Install Clone
The installation technique used by vCenter Server Heartbeat to create a replica of the Primary server using
NTBackup or Wbadmin and to restore the replica to the Secondary server.
Low Bandwidth Module (LBM)
A module that compresses and optimizes data replicated between servers over a WAN connection. This
delivers maximum data throughput and improves application response time on congested WAN links.
Machine Name
The Windows or NETBIOS name of a computer.
Management IP Address
An additionally assigned unltered IP address used for server management purposes only.
Many-to-One
The ability of one physical server (hosting more than one virtual server) to protect multiple physical
servers.
Network Monitoring
Monitoring the ability of the active server to communicate with the rest of the network by polling dened
nodes across the network at regular intervals.
Pair
See vCenter Server Heartbeat Pair above.
VMware, Inc. 103
Glossary