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As mentioned above, some problems only arise after an outage lasts longer than some minutes. So do the tests also with a duration of >1h for example.
 
As mentioned above, some problems only arise after an outage lasts longer than some minutes. So do the tests also with a duration of >1h for example.
  
Before you start to test, build a test plan. Some valueable information on that can be found in chapter 3 "Testing a highly available Tivoli Storage Manager cluster environment" of the Redbook ''IBM Tivoli Storage Manager in a Clustered Environment'', see http://www.redbooks.ibm.com/abstracts/sg246679.html. In this chapter it is mentioned that the experience of the authoring team is that the testing phase must be at least two times the total implementation time for the cluster.
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Before you start to test, build a test plan. Some valueable information on that can be found in chapter 3 "Testing a highly available Tivoli Storage Manager cluster environment" of the Redbook ''IBM Tivoli Storage Manager in a Clustered Environment''<ref>http://www.redbooks.ibm.com/abstracts/sg246679.html</ref>. In this chapter it is mentioned that the experience of the authoring team is that the testing phase must be at least two times the total implementation time for the cluster.
  
 
== Before installing kernel updates: testing again ==
 
== Before installing kernel updates: testing again ==

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