About installing SAP WebAS for high availability

You can install SAP WebAS in the following ways, in a VCS environment:

SAP instance on a shared disk

Install the SAP instance binaries and sapmnt on shared disks.

SAP instance on a local disk

Install the SAP instance binaries on each node and sapmnt on shared disks.

Note:

sapmnt includes the global directory, profile directory and the exe directory for the SAP system.

When installing SAP WebAS, ensure that the login_id, id_name, group_id, and group_name for the sidadm is the same on all the nodes.

The user sidadm and the group 'sapsys' must be local and not Network Information Service (NIS and NIS+) users.

For more details, refer to the product documentation.