A number of different commands are provided to generate specific forecast information. Even though some of the capabilities overlap, the following table provides a guide to the basic capabilities of these commands.
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Capability |
Commands |
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Forecast report for CPU workload with optional worksheets |
FJOB or FQJOB |
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Forecast report for input workstation workload |
FPRE or FQPRE |
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Forecast report for output workstation workload |
FPOST or FQPOST |
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Forecast report for input and output workstation workload |
FSTN or FQSTN |
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Forecast report for CPU and input/output workstation workload |
FALL or FQALL |
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Graphic display of workload |
FRES or FQRES |
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Tape pull list report |
FTAPE or FQTAPE |
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Job flow structure |
FSTRUC |
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Simulate Workload Planning |
FWLP |
A forecast can be done online or in batch mode for any time interval from one minute to one year. The forecast can be for all work of the data center, work for a specific CPU, or work for a specific job or workstation. Selection criteria are provided for flexibility in tailoring a forecast run to meet specific needs.
Note: Depending on the selection criteria used, Forecast can produce a large volume of output. For such large volume runs, use a batch terminal rather than an online terminal. Large volumes can also require that you increase the allocated space for the CA WA CA 7 Edition scratch queue or change the SWFTRK option.
An initialization file option FCMAXLEV governs the maximum levels that a forecast command shows. If this option is not used, the default maximum level is 99 (for all forecast commands).
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