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TWS Job Scheduling Console

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Job Scheduling Console for the Tivoli Workload Automation portfolio is a  rather primitive Java application that tries (rather unsuccessfully) to provide interactive interface for creating, modifying, and deleting objects in the TWS  database. It also helps you monitor and control objects scheduled in the current plan. Generally command line tools are a better deal.

In recent version of  JSC architecture changed and insteas of the Tivoli Framework WebSphere Application Server is used.

To run the console, you only have to be able to log into a scheduling engine through a connector. This means that you can manage plan and database objects from any system, including a laptop, on which the Job Scheduling Console is installed and from which you can reach via TCP/IP a server running the connector for Tivoli Workload Scheduler or for Tivoli Workload Scheduler for z/OS. When a user logs on to the JSC, the logging process goes through the WebSphere Application Server on the master domain manager (or a relevant domain manager or a fault-tolerant agent (FTA)), and using the connector instance, information is retrieved from the Tivoli Workload Scheduler engine and displayed on the console.

Connectors manage the traffic between the Job Scheduling Console and the job schedulers. Connectors are installed separately on a Tivoli management server and on managed nodes that have access to the scheduler. Job Scheduling Console uses Hypertext Transfer Protocol (HTTP) to connect to Tivoli Workload Scheduler engine. This is achieved by using the following components of the WebSphere Application Server:

The Job Scheduling Console provides two main functions:

For each of these functions, you can use a list creation mechanism to list database or plan objects that you select according to filtering criteria. Filtering criteria narrow a list down to selected objects that you want to work with. You can list objects without using filtering criteria. In this case, the list displays all the existing objects of a kind. You can use both pre-defined lists that are packaged with the Job Scheduling Console and lists that you create.

Job definition

The job is the basic unit of work in a TWS environment. It is essentially just a named pointer to an executable command, program, or script.

Job definition panel in Job Scheduling Console has two pains: General and Task. When windows opens, "General" pane is active and task pane is hidden.

When you define a job, you must specify at least six pieces of information:  four on General pane and two on Task pane:

After that you can click OK and there is no errors job will be saved. There will be no confirmation screen and no ability to edit the job.

But such ability exists if go to "work with engine" tab highlight the job left click to get menu and click on properties.

You can also create a new job from the existing job.

Job streams definition

Defining job streams has been changed quite significantly. The "on request" option has been removed and the "valid from/to" date option has been added. It is also possible to define a job stream as a draft.

Another new feature of V8.3 is the validity interval of a job stream, which defines the time interval within which the job stream definition is used. Job streams are selected to be included in the production plan if they fall within their defined interval.

To create a new job stream, choose New Job Stream option from the Actions list of the JSC. In the General window, the following new options have been introduced:

  Valid From

This option is the date of the first day when the job stream must become valid (active).

  Valid To

This option is the date after which the job stream is no longer active. You can leave this field blank.

  Is Draft

This option shows that the job stream is still in the draft stage and must not be in production.

 

Notes:

  If you marking a job stream as a draft, then that job stream is not included in the production plan.
  It is not possible to define multiple draft versions for the same job stream.

Figure 6-6 Job stream definition: General properties

The summary of the available tabs include:

      General
      Comments
      Dependency Resolution
      Time Restrictions
      Resources
      Prompts
      Files
 

Note: The comments field in the versions previous to V8.3 is now a separate tab and can include a longer description of what a job stream is supposed to do.

New features in V8.3: Job stream versions and dependency resolution

Multiple versions of the same job stream can now exist at the same time: Each one of them now has a user defined "valid from" and "valid to" date. Different versions share name, workstation, and lock status fields. Versions of referenced instances are resolved according to their scheduled time.

The selection of the referenced instances follows the dependency resolution rule:

  Closest Preceding

The job or job stream instance to resolve dependency is the one which is the closest in time before the instance that includes the dependency.

  Same Day

The job or job stream instance to resolve the dependency is the closest one in the day within which the instance that includes the dependency is scheduled to run.

  Within a Relative Interval

The job or job stream instance to resolve the dependency is the closest one in a time interval, which is defined relatively to the time that the instance which includes the dependency is scheduled to run.

  Within an Absolute Interval

The job or job stream instance to resolve the dependency is the closest one in a time interval, defining the time of the day on which the interval starts and the time of the day on which it ends, whether within the same day of the instance that includes the dependency, or within a day defined relatively to this one.

Time restriction, resource, prompt, and file dependency tabs have not changed from previous versions of JSC.

New features in V8.3: Run cycle definition changes

Run cycle panels have been modified and changed, and new cycles have been added. The list of cycles available in this version of JSC include:

      Simple
      Calendar
      Daily
      Weekly
      Monthly by Date
      Monthly by Day
      Yearly
 

Notes:

  Time restrictions have also been added to run cycle definition. You can define them for each run cycle independently and use them for handling different time dependencies for multiple job stream instances within the same day.
  Do not confuse run cycle time restrictions with job stream time restrictions.

Note: Depending on the cycle that you select, different views are available for different run cycles.

In JSC V8.3, a new view has been added in the Job Stream Editor: An Explorer view (see Figure 6-9). Explorer view allows selection of jobs from the list or from the tree on the left to work with job properties.

You can now add multiple jobs to the job stream. You can also add new job definitions on the fly with the Edit

The Actions menu of the job stream editor has the following options:

      Add Job - Job Definition/Multiple Job Definition
      Add Dependency - Internetwork/External Job/External Job Stream
      Add Link
      Set All Jobs - Monitored/Not Monitored

 

Recommended Links

SG247528

5.1Tivoli Workload Scheduler quick-start demonstration

5.1.1Create a job

5.1.2Create a new job from an existing job

5.1.3Create a job stream containing multiple jobs

5.1.4Schedule a job stream for automatic submission

5.1.5Submit a job stream

5.1.6Submit an ad hoc job

5.1.7Browse a job log

Introduction to the Tivoli Dynamic Workload Console



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Last modified: March 12, 2019