Managing LiveCache Databases (UNIX only) 
To allow the Host Agent control on LiveCache Databases.
Logon with <SID>adm user in the LiveCache database host.
Create an XUSER file with an entry for the control user with the user key c_LVC, execute:
xuser -u control,<password> -U c_LVC -d <DB name> -n <hostname> -S INTERNAL set
This command is relevant to MaxDB version 7.4.3.
Verify the created XUSER file entry, execute:
dbmcli -U c_LVC db_state
Configure the standard LiveCache user, execute:
dbmcli -U c_LVC user_sap sap<DB name>,<password>
For more information about creating and authenticating XUSER entries, see SAP Note 39439.
For more information about setting the default LiveCache user, see SAP Note 616555.