Before you install the HA for SAP MaxDB packages, verify that the SAP MaxDB software is correctly installed and configured to run in a cluster. This verification does not verify that the SAP MaxDB application is highly available because the HA for SAP MaxDB data service is not yet installed.
Perform this procedure on each node that can master the SAP MaxDB resource group.
# clresourcegroup switch -n node sapdb-rg
Specifies the node to which the SAP MaxDB resource group is to be switched
Specifies that the SAP MaxDB resource group sapdb-rg is to be switched to another node
# su - os-sapdb-adm-user
Specifies the UNIX user identity of the OS user that administers the SAP MaxDB database. This user's home directory contains the .XUSER.62 file that was created during the installation and configuration of SAP MaxDB. For more information, see Installing and Configuring SAP MaxDB. You specify this user when you set the DB_User extension property as explained in How to Register and Configure a SAP MaxDB Resource.
$ x_server start
$ dbmcli -U sapdb-adm-key db_online
Specifies that the dbmcli command is run with the user key of the database user who administers the SAP MaxDB instance. This user key is created during the installation and configuration of SAP MaxDB. For more information, see Installing and Configuring SAP MaxDB. You specify this user key when you set the User_Key extension property as explained in How to Register and Configure a SAP MaxDB Resource.
$ dbmcli -U sapdb-adm-key db_offline
Specifies that the dbmcli command is run with the user key that you used for starting the database in Step c