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Service Management Function iii Contents Executive Summary ............................................................................................... 1 Introduction ........................................................................................................... 3 Job Scheduling Overview ...................................................................................... 5 Goal and Objectives .............................................................................................5 Scope...................................................................................................................6 Key Definitions .....................................................................................................6 Processes and Activities ........................................................................................ 7 Process Flow Summary.........................................................................................7 Batch Architecture ................................................................................................8 Management Server .......................................................................................9 Capacity Database........................................................................................10 Application Servers.......................................................................................12 Monitor and Printer.......................................................................................12 Batch Processing ................................................................................................12 Job Scheduling Activities ....................................................................................14 Monitoring....................................................................................................15 Analyze ........................................................................................................17 Tuning .........................................................................................................18 Implementation............................................................................................19 Event Management.......................................................................................20 AsNeeded Request Handling ........................................................................22 Schedule Changing.......................................................................................23 System Backup ............................................................................................25 Archiving......................................................................................................25 Auditing .......................................................................................................26 Capacity Manager Log Entry .........................................................................26 Reporting .....................................................................................................27 Documentation and Training ...............................................................................28 Roles and Responsibilities................................................................................... 29 Capacity Manager...............................................................................................29 Relationship to Other SMFs ................................................................................. 31 System Administration .......................................................................................31 Security Administration ......................................................................................31 Service Monitoring and Control ...........................................................................32 Network Administration ......................................................................................32 Storage Management .........................................................................................32 iv Job Scheduling Capacity Management ........................................................................................32 Change Management..........................................................................................33 Configuration Management .................................................................................33 Service Level Management .................................................................................33 Service Desk ......................................................................................................33 1 Executive Summary The Job Scheduling service management function (SMF) is concerned with ensuring the efficient processing of data at a predetermined time and in a prescribed sequence to maximize the use of system resources and minimize the impact to online users. A batch process is a system interaction with a database that runs in the background and in a sequential manner without interaction from an end user. The execution of batch processes may be automated or manually initiated. Batches are usually executed after business hours when user interaction with the system is low. Batch runs typically require their own architecture, as t