| Tue Jul 11 09:06:43 2023
 Thread 1 cannot allocate new log, sequence 254989
 Private strand flush not complete
   Current log# 3 seq# 254988 mem# 0: E:\APP\ADMINISTRATOR\ORADATA\xff\REDO03.LOG
 Thread 1 advanced to log sequence 254989 (LGWR switch)
   Current log# 1 seq# 254989 mem# 0: E:\APP\ADMINISTRATOR\ORADATA\xff\REDO01.LOG
 Tue Jul 11 09:09:46 2023
 Read of datafile 'E:\APP\ADMINISTRATOR\ORADATA\xff\SYSTEM01.DBF'(fno 1) header failed with ORA-01208
 Rereading datafile 1 header found valid data
 Repaired corruption indatafile 1 header
 Read of datafile 'E:\APP\ADMINISTRATOR\ORADATA\xff\SYSAUX01.DBF'(fno 2) header failed with ORA-01208
 Rereading datafile 2 header found valid data
 Repaired corruption indatafile 2 header
 Read of datafile 'E:\APP\ADMINISTRATOR\ORADATA\xff\UNDOTBS01.DBF'(fno 3) header failed with ORA-01208
 Rereading datafile 3 header failed with ORA-01208
 Errors infileE:\APP\ADMINISTRATOR\diag\rdbms\xff\xff\trace\xff_ckpt_5820.trc:
 ORA-01242: data filesuffered media failure: database inNOARCHIVELOG mode
 ORA-01122: database file3 failed verification check
 ORA-01110: data file3: 'E:\APP\ADMINISTRATOR\ORADATA\xff\UNDOTBS01.DBF'
 ORA-01208: data fileis an old version - not accessing current version
 Errors infileE:\APP\ADMINISTRATOR\diag\rdbms\xff\xff\trace\xff_ckpt_5820.trc:
 ORA-01242: data filesuffered media failure: database inNOARCHIVELOG mode
 ORA-01122: database file3 failed verification check
 ORA-01110: data file3: 'E:\APP\ADMINISTRATOR\ORADATA\xff\UNDOTBS01.DBF'
 ORA-01208: data fileis an old version - not accessing current version
 CKPT (ospid: 5820): terminating the instance due to error 1242
 …………
 Tue Jul 11 09:10:10 2023
 Instance terminated by CKPT, pid = 5820
 Tue Jul 11 09:18:32 2023
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