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2945997 - Upgrade fails due to cio unable to open


Current filesystems in AIX mounted with CIO and attempting to upgrade from Oracle version 11g to 12.2, 18c, or 19c and running into the following error:

ORA-00210: cannot open the specified control file

ORA-00202: control file: '/oracle/<SID>/data01/cntrl/cntrl<SID>.dbf'

ORA-27041: unable to open file IBM AIX RISC System/6000

Error: 22: Invalid argument Additional information: 9

Upgrade Failed with errors ORA-01565 ORA-27041: unable to open file



Oracle (11g) upgrading to Oracle (12c) or higher



Oracle, 12c, 18c, 19c, CIO, AIX , KBA , BC-DB-ORA-INS , Installation SAP System , Problem

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