Category: High Availability

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Architecting High-Availability and Disaster Recovery Solutions with DB2

NOTE: Please do not attempt to architect a high-availability solution without a DB2 expert involved. There are many questions and answers needed beyond those here to make the best decision and ask all the tough questions. High Availability vs. Disaster Recovery High Availability and Disaster Recovery often have different goals and priorities. High Availability can be considered the ability to...

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HADR Tools: HADR Calculator

The HADR Calculator is one of three HADR tools provided by IBM on developerWorks. For more details on the other(s), see: HADR Tools: the HADR Simulator For the full technical specifications and details on using the HADR tools, see: https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/DB2HADR/ What are the HADR Tools? IBM provides three major HADR tools on a devloperWorks wiki site. The HADR Simulator is...

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HADR Tools: the DB2 Log Scanner

The DB2 Log Scanner is one of three HADR tools provided by IBM on developerWorks. For more details on the other(s), see: HADR Tools: the HADR Simulator For the full technical specifications and details on using the HADR tools, see: https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/DB2HADR/ What are the HADR Tools? IBM provides three major HADR tools on a devloperWorks wiki site. The HADR Simulator...

1

HADR Tools: the HADR Simulator

I have not made extensive use of the HADR Tools that IBM offers in the past. Most of my HADR setups to date have either been same-data-center using NEARSYNC or have used ASYNC to copy data between data centers. I haven’t had much cause to tweak my network settings or change my SYNCMODE settings based on hardware/networking. However, I have...

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Another TSA State Issue

One of the features I would most like IBM to add into DB2 is the managing of TSA States through DB2 commands. I’m not a TSA expert, but I would like to find a class or opportunity to study it further. There are plenty of scenarios where I have to go in as root and run various commands to get...