Description of the illustration admin067.eps
The image admin067.gif illustrates a typical RAC architecture and how the Scheduler works with it. It shows the following elements:End of image description.
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                  A database, which contains a Job Table 
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                  Instance 1, Instance 2, and Instance 3 
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                  Job Coordinator 1, which controls three job slaves 
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                  Job Coordinator 2, which controls three job slaves 
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                  Job Coordinator 3, which controls three job slaves 
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                  Nine job slaves 
Also, the following relationships apply:
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                  Job Coordinators 1, 2, and 3 each control three slaves 
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                  Instance 1 works with Job Coordinator 1 
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                  Instance 2 which works with Job Coordinator 2 
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                  Instance 3, which works with Job Coordinator 3 
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                  The three Job Coordinators exchange information among themselves 
End of image description.