Technical troubleshooting and more

I faced this error while trying to restore & recover of a PDB (pluggable database) part of the log file and the solution is described here below: log: initialization parameters used for automatic instance: db_name=CDB db_unique_name=gbux_pitr_PDB1_CDB compatible=12.1.0.2.0 db_block_size=8192 db_files=200 diagnostic_dest=/oracle/app/oracle _system_trig_enabled=FALSE sga_target=1888M processes=200 db_create_file_dest=/oracle/auxilary log_archive_dest_1='location=/oracle/auxilary' enable_pluggable_database=true _clone_one_pdb_recovery=true #No auxiliary parameter file used starting up automatic instance CDB RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of recover command at 07/31/2016 16:22:20 RMAN-04014: startup failed: ORA-27104: system-defined limits for shared...