Overview of SAP Application Servers

Server Table

The application server display includes the following information:

• Server Name: The name of each application server.

  The name usually consists of the host name, the SAP system name, and the SAP system number.

• Host: Host name of each application server

• Message Types: Services provided by the application server. This contains the configured SAP work process types (Dialog, update (Update and Upd2), Enqueue, Batch and Spool) as well as the following services:

  • ICM. This means that on the application server in question an Internet Communication Manager (ICM) is configured that can accept or send requests from the Internet (HTTP and other protocols).

  • J2EE: The Application Server Java is configured on this server. This means it is a server that can execute both ABAP and Java/J2EE programs.

  • VMC: The SAP Virtual Machine Container (VMC) is configured on this server, which means that there is a Java VM as well as an ABAP VM in the work process.

    More information: SAP Virtual Machine Container

• Status of Server: An application server can have one of the following statuses:

  • Initial

  • Started

  • Active

  • passive

  • Shutdown

  • Stop

  More information: SAP Application Server States

  Note

  You can make changes to the state using  Goto  Server  Administration .

  More information: Server Functions

You can add the following columns by changing the layout:

• Service: Service port or service name under which the server can be reached.

• Host Address (IPv4): IP address of the host in IPv4 notation

• Host Address (IPv6): IP address of the host in IPv6 notation

• Port (port number): Port number

• Shutdown Status: State within soft shutdown (if the state field has the value shutdown)

• Shutdown Information: Further technical information about soft shutdown (for example error or timeouts) is the state field has the value shutdown

• Work Information: Information on the current server utilization is displayed here. There is a difference between normal load, high load, and resources exhausted.

• Update (Kernel Update Status Information): Kernel update status

• SCS Status: Information on the SCS status is displayed here.

For more information, see the F1 help in the system.

Menu and Pushbutton Functions

The following functions are available as buttons or from the menu:

There are additional functions that you can only use via the menu:

•  Goto  Processes 

  This takes you to the process overview (transaction SM50).

•  Goto  Users 

  This takes you to the logon list (transaction SM04).

•  Goto  Remote Logon 

  Here you can switch to the selected instance.

•  Goto  Monitors  Gateway Monitor 

  This takes you to the gateway monitor (transaction SMGW).

  More information: Using SAP Gateway Monitor in SAP System

•  Goto  Monitors  ICM Monitor 

  This takes you to the Internet Communication Manager Monitor (transaction SMICM).

  More information: Using the ICM Monitor

•  Goto  Monitors  VM Monitor 

  This takes you to the VM overview (transaction SM52).

  More information: VM Overview

•  Goto  Monitors  OS Monitor 

  The operating system monitor (OS monitor) delivers statistical information on the host platform of an SAP instance.

  More information: Operating System Monitor in the CCMS documentation.

•  Goto  Information  Environment 

  Displays the environment variables of the selected server.

•  Goto  Information  Communication  RFC Connections 

  Displays the RFC connection table for a selected instance.

  More information: Communication Table

•  Goto  Information  Communication  Communication Blocks 

  Displays the communication blocks for a selected instance. Communication blocks contain Internal information for troubleshooting.

•  Goto  Information  Communication  Socket Table 

  Here you can display the virtualized sockets of a local server.

•  Goto  Information  Queue Info 

  Here you can display request queue details of a selected instance.

  More information: Queue Info

•  Goto  Information  Release Information 

  Here you can display SAP release information for a selected instance.

•  Goto  Information  Logon Data 

  Here you can display logon data for a selected instance (logon type, host name, port, host address, and additional data).

•  Goto  Information  Trace Search 

  You can specify a character string in accordance with which all dev_* trace files are searched. This provides an initial overview of the error search.

•  Goto  Information  Periodic Tasks 

  Here you can display periodic tasks for a selected instance.

•  Goto  Information  SNC Status 

  Here you can display the SNC status of the application server.

•  Goto  Information  SAP Directories 

  Here you can display the SAP directories. In the SAP directory display, if you double-click on a directory (or choose icon ) you can display the content of the directory and then view the individual files from there.

•  Goto  Information  System Log 

•  Goto  Administration  State  Activate 

  Here you can activate the status of the application server.

•  Goto  Administration  State  Deactivate 

  Here you can deactivate the status of the application server (status = passive).

•  Goto  Administration  State  Shut Down Server (Soft) 

  Here the application is terminated with a soft shutdown. All server processes currently in process will be completed first. New requests can no longer be accepted by the server. After current requests have been processed, the server is shut down.

•  Goto  Administration  State  Shut Down Server (Hard) 

  Here you can terminate the application server with a hard shutdown. All processes currently being processed in the server will be terminated. The server is shut down immediately.

•  Goto  Administration  State  Test Connection 

  Here you can test the connection of the application server.

•  Goto  Administration  State  Close Connection 

  Here you can close the connection from an instance to the system.

•  Goto  Administration  State  Activate Trace 

  Here you can activate the trace for a selected instance.

•  Goto  Administration  State  Deactivate Trace 

  Here you can deactivate the trace for a selected instance.

•  Goto  Administration  Create Snapshot  

•  Goto  ACL File  SAP GUI Port  Display 

  With this function you can refresh the display of the ACL File (access control list) for individual ports of the application server.

  More information: Setting Up Access Control Lists (ACL)

  Displays the ACL file that control access to the SAP GUI port on the selected application server. You can see which hosts are allowed to open SAP GUI connections to this server.

•  Goto  ACL File  SAP GUI Port  Re-Read 

  Re-reads the ACL file for the SAP GUI port on the selected application server.

  With this function you can re-read the ACL File (access control list) for individual ports of the application server. If you have changed the ACL file, you can activate the changes this way without having to restart the application server.

  More information: Setting Up Access Control Lists (ACL)

•  Goto  ACL File  All Ports  Re-Read 

  Re-reads the ACL files of all ports on the selected application server (SAP GUI Port, Gateway, ICM) .

  With this function you can re-read the ACL File (access control list) for individual ports of the application server. If you have changed the ACL file, you can activate the changes this way without having to restart the application server.

  More information: Setting Up Access Control Lists (ACL)

•  Goto  ACL File  Sytem-Wide  Re-Read 

  Re-reads the ACL files of all ports on all application servers of the system.

  With this function you can re-read the ACL File (access control list) for individual ports of the application server. If you have changed the ACL file, you can activate the changes this way without having to restart the application server.

  More information: Setting Up Access Control Lists (ACL)

•  Goto  Host Name Buffer  Reset  Application Server 

  Resets the host name buffer of the selected application server. With this function you can activate changes made at operating system level in OS tables hosts and service, without restarting the SAP system.

  More information: SAP Note 25917

•  Goto  Host Name Buffer  Reset  Message Server 

  Resets the host name buffer of the message server. With this function you can activate changes made at operating system level in OS tables hosts and service, without restarting the SAP system.

  More information: SAP Note 25917

•  Goto  Host Name Buffer  Reset  ICM 

  Resets the host name buffer of the Internet Communication Manager. With this function you can activate changes made at operating system level in OS tables hosts and service, without restarting the SAP system.

  More information: SAP Note 25917

•  Goto  Host Name Buffer  Reset  Entire System 

  Resets the host name buffer of the entire SAP system. With this function you can activate changes made at operating system level in OS tables hosts and service, without restarting the SAP system.

  More information: SAP Note 25917