Issue :
ORA-17506: I/O Error Simulation when backup of a controlfile
Observation :
When trying to backup a controlfile it throws the below error
ERROR
———————–
SQL> alter database backup controlfile to ‘/abcv/oradata/control01.ctl’;
alter database backup controlfile to ‘/abcv/oradata/control01.ctl’
*
ERROR at line 1:
ORA-01587: error during control file backup file copy
ORA-00202: control file: ‘/abcv/oradata/control01.ctl’
ORA-17506: I/O Error Simulation
Reason :
Diagnostic event “10298” was set which does ksfd i/o tracing and thats the reason for this error.
Fix :
Once the below event was removed it helped to fix the issue:
SQL> alter system set events ‘10298 trace name context off’;
After the above step, try the below and it will work.
SQL> alter database backup controlfile to ‘/abcv/oradata/control01.ctl’;
