KERNAL UPGRADATION IN WINDOWS

KERNAL UPGRADATION IN WINDOWS

1.        Schedule the downtime .

2.        Download the executables from Market place in the .SAR  Format  from service.sap.com/swdc.

3.         There are two types of kernel files DB Independent and DBdependent Files

        SAPEXE xxxxxxxxxxxxxxxxxxxxxx .SAR (DB Independent)

         

         SAPEXE_DB xxxxxxxxxxxxxxxxxxxxxx .SAR (DB dependent)

4.        Decompress the files using

            SAPCAR  -XVF  SAPEXE xxxxxxxxxxxxxx.SAR

            SAPCAR  -XVF  SAPEXE_DB xxxxxxxxxxxxxx.SAR

5.        Extract the files to Newly created to “new run” directory run directory

6.        Take backup of old kernel executable (Existing  kernel executable).

\usr\sap\SID\sys\exe\run

7.        Stop all the services( Stop the instances)

                   

          Services :   SAPOSCOL, SAP<SID>-<NR>, SAPROUTER.

8. copy the executables from NEWRUN executables and replace the executables in the       old run executables(old run directory).

9.start the services, instances

10. check all the startup logs to resolve the startup problems

11. if the still could not be started then COPY  “OLDRUN” AS BEFORE.

NOTE: there is a no sequence required for kernel upgrade.