Thursday, 12 September 2013

System Copy

Target System and Source System have
 
OS : Windows
DB : Oracle
SAP : AS ABAP
 
Hardware Migration of SAP Server
 
 
  • 1. Install the same OS with Service Packs and Hot Fixes as the Source System.
  • 2. Install Java and Set environment variable .JAVA_HOME
  • 3. Set SAPTRANSHOST in c:\Windows\system32\drivers\etc\hosts
  • 4. Install Oracle
  • 5. Patch Oracle
  • 6. Copy Extracted Export
  • 7. Run SAP Installation with (System Copy -->Target System Installation).
  • 8. Copy the Database Backup
  • 9. Restore the BACKUP (EITHER Manually or from BRTools)
  • 10. Copy the Source System Control File & Mirror Log on Target System
  • 11. Start Database.
  • 12. Recover Database.
  • 13. Copy New Kernel.
  • 14. Check Schema.
  • 15. Set OPS$ Users with Script .
  • 16. Set Environment Variables of oracle.
  • 17. Start the Application Server.
  • 18. Copy Trans from Source System.
  • 19. Delete TMS Configuration from All SAP Systems.
  • 20. Setup TMS.
  • 21. Check TMS with Test Transport.
  •  
     
    Prerequisites
     
  • SAP Installation Media.
  • JAVA Runtime Environment.
  • System Export.
  • Database Backup, Control File & Online / Offline Redo Logs.
  • OPS$ User creation Script.
  • Source System Kernel.
  • /Oracle & /trans Directory
  •  
     
     
  • 1. Install Java and Set environment variable .JAVA_HOME
  •  
    Install Java on C:\ Drive
    Right Click My Computer --> Properties --> Advanced --> Environment Variables --> System Variables
     
    1.png
     
    2. Set SAPTRANSHOST
    in c:\Windows\system32\drivers\etc\hosts
    2.gif
     
    3. Install Oracle on the Same Drive as in the source system.
    4. Patch Oracle.
    5. Copy Extracted Export
    6. Run SAP Installation master (SAP ERP -->Software life Cycle Options --> System Copy  -->Target System Installation).
     
    7. Copy the Database Backup
    8. Restore the BACKUP (EITHER Manually or from BRTools)
    Login with SIDADM
    BRtool Command from command prompt brrestore –b Filename –m full
     
    9. Copy the backup file in /oracle/SID/Sapbackup.
    Copy the source system control file,Orig Log & Mirror Log file.
     
    6.png

     
    NOTE: Control File is mirrored on several locations please copy the control file to all locations.
     
    10. Start Database
    Login with SIDADM --> cmd --> sqlplus --> / as sysdba --> startup
    After successfull startup
     
     
    11. Recover database
    SQL>recover database;
    For Recovery Offline Redo logs must be copied to oraarch folder
     
    12. Copy New Kernel
    Copy new kernel from Source System to Target System
      3.png
     
    13. Check Schema & OPS Users
    SQL>alter database open;
    SQL> Select username,account_status from dba_users;
      
    4.png
    14. Set OPS Users with Script
    Run --> sqlplus /nolog @oradbusr.sql SCHEMAOWNER NT COMPUTER|DOMAIN SAP_SID
    sqlplus /nolog @oradbusr.sql SAPPRD NT ASCEN1 SAP_PRD; 
     
    Unlock ifuser is Locked
    Run --> ALTER USER username ACCOUNT UNLOCK;
     
    15. Set environment variables
    Dbs_ora_schema = Schema Name
     
    16. Start  Application Server
    17. Add SAP License
    18. Maintain Profile Parameters.
     
     
    Copy Trans Folder for transport requests
     
    Switch online redo log to offline redo log.
    Alter system switch logfile;
    Copy the Recent control File;
    Recover databse;
     

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