How to put a database in rollforward pending state

The db2rfpen tool is a utility to switch on the database rollforward pending state.

  In a non-HADR environment, this tool should be used under the  advisement of DB2 service.                                            
  In an HADR environment, this tool can be used to reset the database role to STANDARD.                                                     

  SYNTAX: db2rfpen  on < database_alias | -path log_file_header_path |   -file log_file_header >

Example:
Database: sample

db2rfpen on sample