/u01/app/oracle/admin/diag/db/trace/db.trc: Bad header found during control file header read Data in bad block: type: 6 format: 2 rdba: 0x00811624 last change scn: 0x0000.11124c54 seq: 0x1 flg: 0x06 s.../u01/app/oracle/admin/diag/db/trace/db.trc: Bad header found during control file header read Data in bad block: type: 6 format: 2 rdba: 0x00811624 last change scn: 0x0000.11124c54 seq: 0x1 flg: 0x06 spare1: 0x0 spare2: 0x0 spare3: 0x0 consistency value in tail: 0x10800601 check value in block header: 0x5cef computed block checksum: 0x0 Detected a media corrupt controlfile block (block# 1) in '/u05/oradata/db/control02.ctl'