3249717 - SUM: error GetDatabaseStatus failed: Database not found while starting SUM.

• While starting SUM you find this error in the log file sapstartsrv.log:
  [Thr 3153] *** ERROR => Operation::ExecuteNextCommand(): Command GetDatabaseStatus terminated with errorcode 9 [Operation.cp 348]
  [Thr 3153] *** ERROR => Operation [id=6324FDA84C2B5AC0E1008011AC1347A3]: Command execution failed [Operation.cp 450]
  [Thr 3153] *** ERROR => Webmethod GetDatabaseStatus failed: Database not found [saphostcontr 1674]

• In the log dev_sapdbctrl (located in the WORK folder), you see this error

  
  [PID 32833712] Fri Sep 16 06:55:28 2022
  [PID 32833712] '/oracle/XII/12102/bin/sqlplus' terminated normally with exit code '0'
  [PID 32833712] '/oracle/XII/12102/bin/sqlplus' output -->
  [PID 32833712]   ERROR:
  [PID 32833712]   ORA-01034: ORACLE not available
  [PID 32833712]   ORA-27101: shared memory realm does not exist
  [PID 32833712]   IBM AIX RISC System/6000 Error: 2: No such file or directory
  [PID 32833712]   Additional information: 2311
  [PID 32833712]   Additional information: -127055553
  [PID 32833712]   Process ID: 0
  [PID 32833712]   Session ID: 0 Serial number: 0
  [PID 32833712]   SAPSAPSAPSTART
  [PID 32833712]   SP2-0640: Not connected
  [PID 32833712]   SP2-0640: Not connected
  [PID 32833712]   SP2-0640: Not connected
  [PID 32833712]   SP2-0640: Not connected
  [PID 32833712] <-- '/oracle/XII/12102/bin/sqlplus' output
  [PID 32833712] Error message from sqlplus: 'ORA-01034: ORACLE not available'
  [PID 32833712]   Detection warning: Ambiguous ORACLE_HOME detected: mismatch between oratab and software owner environment
  [PID 32833712]   Reported status could be wrong!
  [PID 32833712] Status: Instance: XII, DB Name: XII
  [PID 32833712]   Instance: Instance is stopped
  [PID 32833712]   Database: Database is stopped
  [PID 32833712]   Archiver: Archiver is stopped
  [PID 32833712] Trying to find listener for database XII
  [PID 32833712] Trying to find listener in listener.ora
  [PID 32833712] local_listener is not defined
  [PID 32833712] Trying to find listener by SID in '/etc/listener.ora'
  [PID 32833712] *** ERROR => Failed to open file '/etc/listener.ora': No such file or directory [dboractrl.cpp 6793]
  [PID 32833712] No matching listener found in '/etc/listener.ora'

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