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Figure A.1. LVS with a Red Hat Cluster

Serving dynamic Web content with LVS requires a three-tier configuration (as shown in

Figure A.1, “LVS with a Red Hat Cluster”). This combination of LVS and Red Hat Cluster allows

for the configuration of a high-integrity, no-single-point-of-failure e-commerce site. The Red Hat

Cluster can run a high-availability instance of a database or a set of databases that are

network-accessible to the Web servers.

A three-tier configuration is required to provide dynamic content. While a two-tier LVS

Appendix A. Using LVS with Red Hat Cluster

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Red Hat APPLICATION SERVER - JONAS Guida di Installazione Pagina 68