Unicenter CA-Scheduler Job Management for VSE User Guide

3.1 Defining Schedules
3.1.4.1 When Will this Schedule Be Selected?
When Unicenter CA-Scheduler runs autoscan, it automatically selects that day's
workload. The selection process is a loop consisting of two steps:
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First, Unicenter CA-Scheduler finds a schedule to select. Only schedules
with AUTO SELECT = YES are eligible for automatic selection. If AUTO
SELECT = YES, Unicenter CA-Scheduler checks the selection criteria
defined for that schedule to see whether that schedule should be selected
today.
Then it scans the selection criteria of every job in that schedule to select the
jobs belonging in that day's workload. When Unicenter CA-Scheduler
finishes with that schedule, it is ready to find another it can automatically
select today.
Jobs can only run on days when their schedules are selected. Jobs that run
daily must belong to schedules that are selected every day. That is why we
advise you to group an application's daily jobs into one schedule.
Initially, the default for AUTO SELECT prevents schedules from being
automatically selected. That gives you time to test schedule and job definitions
to be sure jobs run on the appropriate days. When you are satisfied with those
definitions, set AUTO SELECT = YES to have Unicenter CA-Scheduler include
that schedule among those it evaluates at autoscan time.
Three more fields control when schedules are selected: DATETABLE NAME,
SCR, and SKIP.
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To select a schedule every day, leave DATETABLE NAME blank and do
not define a schedule criteria record (leave SCR: N).
To select a schedule only on certain days, you will need to define a
schedule criteria record (SCR). That criteria record may contain keywords
that refer to days defined in a datetable. If that datetable is the default, you
can leave the DATETABLE field blank. Otherwise, specify the appropriate
datetable name. See the chapter "Criteria Language" for detailed
instructions on how that is done.
Once you have set AUTO SELECT = YES, you may want to deactivate a
schedule for a while. You can use this advanced technique to handle such
exceptional situations, but normally you will not use the SKIP field.
Rather than setting AUTO SELECT = NO again, use the SKIP field to stop
selecting this schedule in autoscan for a while. Specify how many times you
want to skip this schedule when it ordinarily would be selected. For example,
suppose a schedule that normally runs on Friday instead ran on Tuesday this
week. Specify SKIP = 1 to prevent that schedule from running this Friday.
Every time Unicenter CA-Scheduler skips over a schedule it normally would
have selected, it decrements the value in the SKIP field by one until SKIP once
again is zero.
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