Chapter 1. IBM OmniFind Enterprise Edition V8.4 architecture 23
3. A four server topology, where the components are installed on four separate
servers, with the search components installed on two servers, as shown in
Figure 1-11.
Figure 1-11 Four server topology
Considerations in choosing a particular topology are discussed in 1.6, “Choosing
a particular topology” on page 51.
1.3.4 Directory structure
$ES_INSTALL_ROOT (%ES_INSTALL_ROOT% on Windows) and
$ES_NODE_ROOT (%ES_NODE_ROOT% on Windows) are two environmental
variables that are created by the OmniFind installer. They designate the two main
directories in OmniFind as follows:
1. ES_INSTALL_ROOT points to the root installation directory, which contains all
the libraries, binaries, dictionaries, documentation, and samples. The default
value for this environment variable is:
/opt/IBM/es on Linux/AIX
c:\Program Files\IBM\es on Windows
This directory can be modified during installation.
Store
Parser Indexer
Index
Crawler
Index ServerCrawler Server
Search
Search Server 2
Store Index
Search
Search Server 1
Store Index
Gigabit Ethernet
Crawler
Metadata
Cloudscape
Server
DataListener
RDS
CCL
CCL
CCL
CCL

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