Hello
what is the SLD definintion in XI ?
The SAP System Landscape Directory (SLD) is a J2EE application. It uses the Common Information Model (CIM) from Distributed Management Task Force, Inc. (http://www.dmtf.org) and implements this vendor’s Web-Based EnterpriseManagement (WBEM) for client-server communications.
The SLD Server is a central data storage point for system landscape information for system management applications. The SLD Server guarantees the consistency of the stored data. Data in the SLD can be split into two categories:
· Component Information
This category includes information about all available SAP software modules (such as products, software components, and Support Packages), as well as information about how you can combine them, and any dependencies on other modules. SAP provides you with the component information; customers can update this information as required at SAP Service Marketplace (http://service.sap.com) (for more information, see SAP Note 669669). Customers can also add components from third-party vendors to their SLD.
· Landscape Description
This category describes the individual system landscape installed at the customer site. The description of the components that are actually installed, combined with the component information, provides reliable and up-to-date data for system management applications. Data Suppliers are provided for R/3 Systems and SAP Web Application Servers. These Data Suppliers are configured specifically for each system and send the current system data to the SLD at regular intervals (for more information, see SAP Notes 584654 and 673144).
The SLD Server is also used as a Name Server for the SAP Java development infrastructure. The Name Server is used to guarantee that the names given to development objects are unique globally and locally. Customers can choose to operate the Name Server together with their SLD Server in a single software instance, or they can operate the servers on two separate hardware servers.
Effects on System Administration
In most cases, you only need one SLD for each system landscape. After you have installed a SAP Web Application Server that you want to use as an SLD Server, you must configure the operation of the SLD Server. The configuration consists mainly of the following activities:
· Activating the SLD Server
· Importing the SAP component information
· Setting up the Data Bridge for receiving data from the Data Supplier
In the individual R/3 Systems and SAP Web Application Servers installed in your system landscape, you need to set Data Suppliers so that these systems register themselves automatically with the SLD and update their system information at regular intervals.
SLD Steps for starting a XI project
Configuration Steps
The configuration steps that you need to perform depend on the type of system. The following system types are relevant for the SAP System Landscape Directory (SLD):
· SAP technical systems
The following SAP systems do not need to be configured manually since they automatically register themselves in the SLD:
¡ SAP Basis systems as of Release 4.0B
¡ All SAP Web AS ABAP systems
¡ SAP Web AS Java systems as of Release 6.40
You do not need to maintain data about SAP software components and products that a system contains since their data already exists in the component repository, which is delivered with the SLD. SAP technical systems automatically register themselves and report data about their installed products to the SLD by means of data supplier programs. However, if you cannot use the data supplier programs (if your Support Package level is too low, for example), you have to define SAP technical systems manually. For more information, see Manually Registering SAP Web AS ABAP Systems.
Other SAP systems (business systems, for example), which have to be registered manually.
· Third-party systems
If you have installed third-party (technical or business) systems in your system landscape, you have to register them manually in the SLD. This includes maintaining data about the software components and software products that they contain.
SLD HELP -
http://help.sap.com/saphelp_nw04/helpdata/en/43/783c00eabd1ad0e10000000a114cbd/frameset.htm
Configuring and Activating the Administrative SLD
Use
In this template, you perform the basic configuration of the administrative SLD. This includes the configuring and starting of both the Object Server and the Data Supplier Bridge.
You can only use this template if the administrative SLD is running in CEN (as we recommend).
Procedure
In the NWA of CEN, do the following:
...
1. From the top-level navigation, choose Perform and Change Deployment ® Template Installer.
2. In the Scenario Template Identification input area, choose the NWA entry from the Scenario dropdown box.
3. Select 1. SLD system: Configure and activate SLD from the Template dropdown box.
4. Choose Execute Template.
5. SLD data is highlighted in the Guidance Area. Enter the connection data for the administrative SLD in the Data Entry area:
Input Field
Description
SLD Host
SLD Port
Access data for the SLD (host and port).
SLD Administration User
Password
Name/password of an administrator in the SLD.
Java System ID
System ID of CEN.
SLD Gateway Service
Service of a gateway (sapgw).
Use the CEN gateway.
6. Choose Install.
For Exchange Infrastructure --
http://help.sap.com/saphelp_nw04/helpdata/en/0f/80243b4a66ae0ce10000000a11402f/frameset.htm
Regards
Rahul
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