IBM DB2 10.5HADR-300x168c

Licensing distributed servers
in a highavailability environment

IBM developerWorks article

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Amyris Rada
IBM Senior Information Developer, DB2 for Linux, UNIX and Windows

Roman Melnyk, B.
IBM Canada, DB2 Information Development


Are you trying to license your IBM® DB2® Version 10.5 for Linux®, UNIX®, and Windows® servers correctly in a high availability environment? Do you need help interpreting the announcement letters and licenses?

Customers choose DB2 because of its incredible time to value, its ability to scale and integrate across disparate environments, its robustness, and minimized down time (both planned and unplanned). In this article, we focus on the high availability (HA) aspects of DB2, especially from the licensing point of view.
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Table of Contents:
  • Introduction
  • Clustering for scalability / clustering for availability
  • IBM SWG temperature taxonomy for standby - cold, warm, hot
  • How you license a DB2 server in an HA environment - key questions
  • DB2 10.5 five different licensing metrics to know

  • Hot standby
  • Two-node hot standby HA cluster scenario
  • Hot/hot HADR cluster
  • Hot/hot HADR cluster with "read on standby"
  • DB2 pureScale environment with three members

  • Warm standby
  • Hot/warm HADR cluster

  • Cold standby
  • Hot/cold HADR cluster

  • Mixed standby environments
  • HA cluster with hot and warm standby

  • Reach higher - availability, that is
  • Conclusion / Resources / About the authors

This article explains it all in plain English for the DB2 10.5 release!

Visit IBM developerWorks and view article online ...

icon IBM developerWorks - Licensing DB2 10.5 High Availability (2013-11)

 

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