Data Transformation Engine Intelligent Business Integration Reference Guide

Chapter 6 - High-Availability and Load-Balancing Architecture Server Clustering
Intelligent Business Integration Reference Guide
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The following diagram illustrates a Windows cluster environment for the Event
Server.
Only one node can access
the shared drive at at time.
Microsoft Cluster Service (MSCS)
core and Resource Monitor
Event Server
MSCS Resource DLL
for the Event Server
Microsoft Cluster Service (MSCS)
core and Resource Monitor
Event Server
Shared Drive
Contains maps,
data, and system
(.msl) files.
MSCS Resource DLL
for the Event Server
Clustering Support for the Event Server
MSCS Node
Computer 2
MSCS Node
Computer 1
Active
Node
Yes
Failure?
Inactive
Node
No
" Each computer
must have MSCS
running on
Windows 2000
Advanced Server.
" The MSCS
Resource DLL then
relays a shutdown
message to the
Event Server.
" Only one node is
active at a time.
When a faiure
occurs, the
Resource Monitor
notifies the MSCS
Resource DLL.
" The Integration
Broker is installed
on each node that
is part of the
cluster network.
Becomes active
upon failure of
Node 1.