Repair failure

1.Repair failure should follow steps
(a) list failure
(b) advise failure
(c) Repair failure

RMAN> list failure;

List of Database Failures
=========================

Failure ID Priority Status    Time Detected Summary
---------- -------- --------- ------------- -------
548        HIGH     OPEN      09-JUN-14     Tablespace 4: 'USERS' is offline
542        HIGH     OPEN      09-JUN-14     One or more non-system datafiles are offline

RMAN> repair failure;

Strategy: The repair includes complete media recovery with no data loss
Repair script: /u01/app/orcl/oracle/diag/rdbms/cvrman/cvrman/hm/reco_1312477392.hm

contents of repair script:
   # online a offline tablespace
   sql "begin sys.dbms_ir.execsqlscript(filename => ''/u01/app/orcl/oracle/diag/rdbms/cvrman/cvrman/hm/reco_3578264930.hm'' ); end;";

Do you really want to execute the above repair (enter YES or NO)? yes
executing repair script

sql statement: begin sys.dbms_ir.execsqlscript(filename => ''/u01/app/orcl/oracle/diag/rdbms/cvrman/cvrman/hm/reco_3578264930.hm'' ); end;
repair failure complete

RMAN> list failure;

no failures found that match specification