Tech Talks

SAP Disaster Recovery Disaster Recovery S. No          Primary Site Disaster Recovery Site 1 Backup(Cold/Offline) + Redo logs Prerequisite: H/W & S/W should be same along with versions, patch levels and environment variables. Same SID should be maintained in both systems. 2 Create Standby Control File: alter database create standby controlfile as ‘/path../<filename>.ctl’ 3 Copy Backup+Controlfile+initSID.ora to   respective locations in DR Site Note: Remove all existing datafiles of the DR site before copying backup files. 4 Modify initSID.ora, if there are any changes in H/W.(RAM) 5 Mount State : Shutdown immediate Startup nomount Alter database mount standby database; 6 Recovery: Recover standby database; Set auto recovery ON; Alter data...

SAP System Refresh Procedure REFRESH PROCEDURE FOR  R/3 + Win2K Prerequisites Source SAP system (usually production) Destination SAP system (to be refreshed, usually test or development) Source system outage start (for database copy) Source system outage duration Refreshed system role (test/dev) BDLS processing required NO Refresh project leader Skills required SAP BASIS Win2k operating system Oracle database concepts Useful OSS notes 147243 R3 system copy 50088 Creating OPS$ users under   WindowsNT/Oracle Preparation stage (by refresh project leader) Refresh project leader should perform the following. 1) Order outage and get approval from system owner 2) Ensure that b...