VMware VCENTER SERVER 4.0 - GETTING STARTED UPDATE 1 Installation Guide download pdf (Page 12)

Installation Guide

12 VMware, Inc.

vCenter Server Heartbeat provides the same level of flexibility to define and perform multiple corrective

actions in the event of problems on a service by service or even attribute by attribute basis.

Data Protection

You can configure vCenter Server Heartbeat to protect the application environment. All data files that users or

the applications require in the application environment are made available should a failure occur. After

installation, vCenter Server Heartbeat configures itself to protect files, folders, and registry settings for

vCenter Server on the active server by mirroring them in near-real time to the passive server. If a failover

occurs, all files protected on the failed server are available to users after the failover, hosted on the Secondary

server.

Figure 1-3. Apply Process

Communications

The VMware Channel is a crucial component of the setup and can be configured in a number of ways.

Both the Primary and Secondary servers must have two or more network interface connections (NICs).

The Principal (Public) network requires one NIC. The VMware Channel uses a separate NIC for the private

connection between the servers used for control and data transfer between the pair of servers.

A second pair of NICs can be used to provide a degree of redundancy for the VMware Channel. In this

configuration, the VMware Channel has a dual channel if more than one dedicated NIC is provided for the

VMware Channel on each server. To provide added resilience, the communications for the second channel

must be completely independent from the first channel. They must not share any switches, virtual switches,

routers or the same WAN connection.

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VMware VCENTER SERVER 4.0 - GETTING STARTED UPDATE 1 Installation Guide Page 12