Tuesday, July 16, 2013

ORA-01157: cannot identify/lock data file



file /oracle/admin/test1/diag/rdbms/test/test1/trace/test1_dbw0_5435.trc:
ORA-01157: cannot identify/lock data file 190 - see DBWR trace file
ORA-01110: data file 190: '/dev/mapper/oratest_data_001_8600Mp7'
ORA-27048: skgfifi: file header information is invalid
Additional information: 19
Errors in

Above oracle error found due to below possible reasons.
  • Multipath issue or storage issues , to fix involve system admin to debug more.  also try to check if any errors exists in /var/log/messages  
  • dmesg /var/log/messages. 
  •  select  FILE# , status , error  from v$datafile_header where ERROR IS NOT NULL

         FILE# STATUS  ERROR
    ---------- ------- ----------------------------------------
             1 ONLINE  WRONG DATABASE
            57 ONLINE  WRONG DATABASE
           190 ONLINE  FILE NOT FOUND
           216 ONLINE  FILE NOT FOUND
           324 ONLINE  WRONG DATABASE
           464 ONLINE  FILE NOT FOUND
  • most of the times after fixings issues from SA , DBA team face above error. follow below steps to fix. startup mount 
  • alter system check datafiles;
  • alter database open.
  • still issue exists we can check SA might have formatted the LUNS mistakenly.
    •  

Friday, July 5, 2013

11.2.0.3 RAC AND DATABASE SETUP



















































<!--[if !mso]>

<![endif]