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Quantitative resources are commonly used to control device availability. For example, if a certain job in Control-M requires two tape drives, Control-M will not submit the job unless two drives are available.
Normally, Quantitative resources mechanism determines resource availability based only on values defined within the IOA environment. Devices manually brought online or offline or devices used by a manually submitted job (that is, a job not submitted by Control-M) are not reflected in IOA resources.
This solution’s rules monitor external changes to Quantitative resources by detecting device online or offline and device mount or demount messages and then adjust (increase or decrease) the resource quantity accordingly.
Global variables are used to define device-related information: device name, type, status, counters, name of the related Quantitative resource and (in a multi-system configuration) the CPU configuration used. These Global variables are defined during the SolveWare initialization by rule JES2GLBL in table INITSLV. For details, see the section SolveWare Initialization.
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