oracle@bakura[MYDB]:/home/oracle$ cat /home/oracle/MYDB.ora

*.compatible='23.6.0'
*.db_block_size=8192
*.db_create_file_dest='/data'
*.db_name='MYDB'
*.db_recovery_file_dest='/reco'
*.db_recovery_file_dest_size=10240m
*.db_unique_name='MYDB'
*.diagnostic_dest='/app/oracle/base'
*.enable_pluggable_database=false
*.nls_language='AMERICAN'
*.nls_territory='AMERICA'
*.open_cursors=300
*.pga_aggregate_target=768m
*.processes=320
*.remote_login_passwordfile='EXCLUSIVE'
*.sga_target=2304m
*.undo_tablespace='UNDOTBS1'


oracle@bakura[MYDB]:/home/oracle$ s

SQL*Plus: Release 23.26.1.0.0 - Production on Sun Jun 7 10:08:29 2026
Version 23.26.1.0.0

Copyright (c) 1982, 2025, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup nomount pfile='/home/oracle/MYDB.ora'
ORA-65101: container database set up incorrectly
ORA-01078: failure in processing system parameters
SQL> Disconnected