on 10-26-2012 7:16 PM
Hi experts,
what is the use of Logical system. and in our Quality server around 15 logical system created. please help me why it required.?
and after system refresh why needed for conversion via bdls. and what did they do in conversion?
Regards,
Logical system name uniquely identify a particular system.
After refresh you have all the entries of PROD in QAS system ,so to change it BDLS Tx is used.
It works on LOGSYS field in table.
thanks
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Hi Nikhil ... sorry I addressed it wrongly, my response was to Vivek
Hi Vivek
Systems of the Central User Administration (CUA) are referred to using logical system IDs. In the SAP sense, a logical system is a client. Therefore you must first set up logical system names that you then assign to the clients in the SAP systems.
You only have one Logical System for each client in SAP system. If your logical systems are clients of the same SAP system, you only need to maintain it once. I am not sure why you have 15 in your system.... it could be created over the long time after every refresh.
To maintain logical system Goto Transaction SALE --> Basic Settings --> Logical Systems, and under "Assign Logical system to client" check which Logical system is assigned to your current client.
you can also check this in SCC4 and double click on the client you wanted, and find the details in Logical system section.
BDLS converts one logical system to another, which is mandatory to run after every system refresh.
For example When you refresh quality server from a production server, production logical system name SAPPRD111 will be copied to o quality server. After system refresh the client in the quality will also have the same logical system name which must be converted to old logical system name SAPQAS111. For this you have to perform BDLS. When running this tcode it will check the dependant tables,where there will be feild to logical system name.then it will ask for the confirmation to change it to quality logical system name. For more information please check the below links
http://help.sap.com/saphelp_dimp50/helpdata/En/33/c823dbaea911d6b29500508b6b8a93/content.htm
http://www.se80.co.uk/saptcodes/b/bdls/bdls.htm
Guru
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Hi Nikhil,
Systems of the Central User Administration (CUA) are referred to using logical system IDs. In the SAP sense, a logical system is a client. Therefore you must first set up logical system names that you then assign to the clients in the SAP systems.
You only have one Logical System for each client in SAP system. If your logical systems are clients of the same SAP system, you only need to maintain it once. I am not sure why you have 15 in your system.... it could be created over the long time after every refresh.
To maintain logical system Goto Transaction SALE --> Basic Settings --> Logical Systems, and under "Assign Logical system to client" check which Logical system is assigned to your current client.
you can also check this in SCC4 and double click on the client you wanted, and find the details in Logical system section.
BDLS converts one logical system to another, which is mandatory to run after every system refresh.
For example When you refresn quality server from a production server, production logical system name SAPPRD111 will be copied to o quality server. After system refresh the client in the quality will also have the same logical system name which must be coverted to old logical system name SAPQAS111. For this you have to perform BDLS. When running this tcode it will check the dependant tables,where there will be feild to logical system name.then it will ask for the confirmation to change it to quality logical system name. For more information please check the below links
http://help.sap.com/saphelp_dimp50/helpdata/En/33/c823dbaea911d6b29500508b6b8a93/content.htm
http://www.se80.co.uk/saptcodes/b/bdls/bdls.htm
Guru
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Gururaj,
Yes i agree, " logical system name" does identify every client uniquely for a particular SID in SAP,
There are distributed systems (ALE) which needs, be defined a logical name ( tx BD54)
hence i referred which stands correct >> Logical system name uniquely identify a particular system.
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