Hardware Migration

Prerequisites

· Download required software and patches from service market place

· Compare filesystem space with source system database

· Set page memory

Actions on Target server

· Install Oracle RDBMS software

· Apply RDBMS patch to the source patch level

· Install SAP NW2004 with ABAP content

· Install Java add in on ABAP

· Request and Install SAP license for new hardware

· Start J2EE on new server

· Upgrade Kernel to the source patch level

· Take full backup of database

· Take java filesystem backup

· Bring down target server along with DB

· Stop all the services related to oracle and SAP

· Delete data from sapdatas , origlogs and mirrlogs in target system

Actions on source server

· Request Downtime for source server

· Suspend jobs using report btctrns1 in source server

· Bring down application along with DB in source server

· Stop all services related to Oracle and SAP in source server

· Start zipping of sapdatas, origlogs and mirrorlogs

· Zip J2EE filesystem j2EE,SCS, SYS folders.

· Copy the zipped data manually via Wan to target server

Actions on target server

· Unzip the zipped files and place or overwrite them according to the structure

· Change hostname in ABAP according to SAP note 8307

· Change hostname in RZ70

· Change hostname in j2ee config tool according to SAP note 757692

· Start DB,

· Delete source ops$ users and recreate for target server and change the password

· Start SAP and J2EE

· Re Install SAP license

· Reconfigure SMLG,RZ10,RZ04,RZ12, DB13 etc.. accordingly

· Check RFC connections and reconfigure if required

· Reconfigure STMS

· Reconfigure SLD and JCO destinations using visual admin tool.

· Restart cluster for changes to be affected

· Check SLD and portal

· In SLD change hostname in profile and server settings if required

· Reschedule jobs using report btctrns2

· Configure backup strategy

· Take full database backup along with J2EE filesystem.