Stopping and starting all LPARS deployed on power servers for SAP App and DB

Home > Suse > SAP setup and maintenance > Stopping and starting all LPARS deployed on power servers for SAP App and DB

It is possible to required shutting down all LPARs, followed by power server for some UPS / Cooling / Network maintenance activity at DC. In such cases to shutdown and start entire SAP related infrastructure refer below steps:

SAP Infra shutdown process

1. Stop Application, DB and NFS servers as per Pacemaker start and stop for Hana DB and application servers
2. Shutdown all the LPAR's using:

   shutdown -h now

   Note: Backup LPAR should be powered of at last

3. Shutdown second VIOS server
4. Shutdown first VIOS server
5. Shutdown second physical host
6. Shutdown first physical host
7. Shutdown HMC VM
8. Shutdown Physical server hosting HMC VM
9. Shutdown storage
10. Shutdown Tape Library

SAP Infra start up procedure

1. Start Tape Library
2. Start storage
3. Start Dell host
4. Start HMC VM

   Note: After storage, wait for 15-20mins for start physical hosts

5. Start primary physical host
6. Start seconday physical host
7. Start primary VIOS server
8. Start secondary VIOS server
9. Start Database primary LPAR.
10. Start Database secondary LPAR.
11. Start NFS and Database servers as per Pacemaker start and stop for Hana DB and application servers
12. Start the Application Primary LPAR
13. Start the Application Secondary LPAR
14. Start APP services in Primary & Secondary nodes as per Pacemaker start and stop for Hana DB and application servers
15. Start all the LPARs

    Note: Backup LPAR should start last

Refer:

• https://documentation.suse.com/sle-ha/15-SP1/html/SLE-HA-all/cha-ha-maintenance.html

Home > Suse > SAP setup and maintenance > Stopping and starting all LPARS deployed on power servers for SAP App and DB