ORA-4031 During Startup Nomount using RMAN without parameter file (PFILE) [ID 1176443.1] -------------------------------------------------------------------------------- Modified 06-DEC-2010 Type PROBLEM Status PUBLISHED In this Document Symptoms Cause Solution -------------------------------------------------------------------------------- Applies to: Oracle Server - Enterprise Edition - Version: 11.2.0.1 and later [Release: 11.2 and later ] Information in this document applies to any platform. Symptoms RMAN startup nomount failed with ORA-4031 Customer was testing RMAN backup/restore in Exadata. Customer firstly backup the database to tape and then remove all the datafiles, spfile, controlfiles for testing. Then during the recover, customer connected RMAN with nocatalog and try to "startup nomount", then ORA-4031 occured. ==================== Log ======================== oracle@hkfop011db01:/home/oracle $ export ORACLE_SID=TEST oracle@test011db01:/home/