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Upload the obtained installation package to the /hana/shared directory on the ECS where the SAP HANA software is to be installed and decompress it.
Log in to the SAP HANA ECS and check whether the IP address of the DNS server is configured in the /etc/resolv.conf file. If not, write the IP address of the DNS server into the /etc/resolv.conf file. Parent topic: Creating ECSs
If a source server and a target ECS are connected through Direct Connect or VPN, ensure that the source server to be migrated can access the SMS.
maintenance mode first. crm configure property maintenance-mode=true Exit the maintenance mode after the modification is complete. crm configure property maintenance-mode=false If you need to stop or restart the node, manually stop the cluster service. systemctl stop pacemaker After the ECS
Then, use SSH to switch to the ECS that will work as the active node.
For details about SAP HANA instance ID planning, see SAP HANA ECS Planning. For more information about the specific ports to be accessed by SAP software and security group rules, see SAP official documents.
The ASCS instance is installed on the active ECS, and the ERS instance is installed on the standby ECS. The time synchronization and disk formatting must be performed on the two ECSs. SAP HANA databases are deployed in the active/standby mode.
For details, see How Can I Configure the NTP and DNS Servers for an ECS?. (Optional) Install and configure Cloud-Init. For details, see Installing Cloud-Init and Configuring Cloud-Init. For more about Cloud-Init, see Cloud-init.
maintenance mode first. crm configure property maintenance-mode=true Exit the maintenance mode after the modification is complete. crm configure property maintenance-mode=false If you need to stop or restart the node, manually stop the cluster service. systemctl stop pacemaker After the ECS
The security groups must be configured according to the "minimum permission" principle so that a minimum number of ECS ports are opened. Figure 3 shows an example for configuring the security groups. You need to configure them based on your own ports.
The security groups must be configured according to the "minimum permission" principle so that a minimum number of ECS ports are opened. Figure 3 shows an example for configuring the security groups. You need to configure them based on your own ports.
SAP ECC To monitor SAP ECC metrics, you need to follow the operations descried in SAP S/4HANA (Single-Node Deployment Without High Availability Required) to deploy and configure the monitoring agent on the node where SAP ECC is located. Parent topic: Installing the Monitoring Agent
Creating ECSs Creating SAP HANA ECSs Creating SAP S/4HANA ECSs Parent topic: Resource Creation
