Hardware Migration of SAP Server

[Former Member]

Assumptions

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

2. Set SAPTRANSHOST

in c:\Windows\system32\drivers\etc\hosts

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.

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

 

13. Check Schema & OPS Users

SQL>alter database open;

SQL> Select username,account_status from dba_users;

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;