Managing Serviceguard Extension for SAP on Linux (IA64 Integrity and x86_64), April 2009

• Check that batch jobs in SAP are not scheduled to run on the relocatable IP address. Transaction code:
SM37
• Relocate printers to the real hostname. Transaction code: SPAD
• Check operational modes within SAP. You must setup new operation modes for the new hostname.
Transaction code: RZ04
• Do all testing as described in the document SAP BC High Availability.
Unconfigure Serviceguard Extension for SAP on Linux: SO080
After successfully finishing all tests, make another copy of the files you saved in SO040.
Use the backup created in this step, the backup of the altered files, later on for comparison with current
active versions.
Switching On Serviceguard Extension for SAP on Linux
Perform the following steps to switch Serviceguard Extension for SAP on Linux on.
Switching On Serviceguard Extension for SAP on Linux: SO500
Stop the database and SAP instances manually on all hosts in and outside of the cluster with:
stopsap all
Switching On Serviceguard Extension for SAP on Linux: SO510
Restore all profiles with the versions that use relocatable addresses. They were backed up in step SO040.
If appropriate, incorporate any changes that occurred to these files during the switch off process. You can
use diff(1) and the second backup you took in SO080 to easily find out if anything changed.
Switching On Serviceguard Extension for SAP on Linux: SO530
Delete ${SGCONF}/debug and/or ${SGCONF}/<SID>/debug if they exist.
Switching On Serviceguard Extension for SAP on Linux: SO540
Verify the following:
• The SAP software needs to be reconfigured.
• Import the profiles within a SAP session. Transaction code: RZ10.
• Check SAP setup. Try to ping(1M) to all application servers from the Central Instance and the other
way round. Transaction code: SM59.
• Check that the batch jobs in SAP are scheduled to run on the relocatable IP address not on the local
hostname. Transaction code: SM36
• Relocate printers to the relocatable name. Transaction code: SPAD
• Check operational modes within SAP. You must setup operation modes for the relocatable name.
• Do all the testing as described in the document SAP High Availability.
124 Serviceguard Extension for SAP on Linux Cluster Administration