November 11, 2012

Start and Stop Sap System

Start and Stop Sap System :-

Start the SAP instances  by entering the command startsap. Start the central  instance first and then the dialog instances.

a) Start the SAP instances by entering the command startsap.


syntax: startsap name=<sid> nr=<Instanz-Nr.>SAPDIAHOST=<Servername>
Start the central instance first and then the dialog instances.

Stopping the SAP System

It may be necessary to stop an SAP system for a variety of reasons, for example,
restarting after permanently changing profile parameters, before installing kernel
patches, or allowing hardware upgrades to be carried out.

Before you stop the system, you should check the status of the system.

 This involves, among other things:

. Active Users:
  Check which users are logged on using the User List (SM04).

. Background Processing :
  Check which jobs are active using the Job Overview (SM37). If jobs are
  terminated by the system stop, these jobs must be rescheduled. Jobs that are
  scheduled for the time when the system is stopped run automatically once
  the system restarts.

. Batch Input:
The transaction Batch Input: Session Overview (SM35) displays running
batch input jobs.

. Update:
Use the Update Overview (SM13) to check whether update processes are
terminated by the system stop. These update records are rolled back during
the stop, and these are set to the status .init.. These records are then updated
again during the restart.

Before you stop your system, you should inform users using a system message

Enter the command stopsap to stop an instance.


syntax:  stopsap name=<sid> nr=<Instanz-Nr.>SAPDIAHOST=<Servername>

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