ORA-00600: [ktbdchk1: bad dscn]

Posted on by Anand

Last week I had performed switchover activity of database on version 11.2.0.3 The switchover was performed using dgmgrl "swicthover to standby" command. After sometime we started receiving "ORA-00600: [ktbdchk1: bad dscn]" on the primary database. Tue Dec 16 10:33:26 2014 Errors in file /ora_software/diag/rdbms/db02_dbv/dbv/trace/db02_ora_16271.trc (incident=434103): ORA-00600: internal error code, arguments: [ktbdchk1: bad dscn], [], [], … Continue reading ORA-00600: [ktbdchk1: bad dscn]

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ORA-00600:[kcbsor_2], [3], [2]

Posted on by Anand

Recently we had a node crash of one node in 3-node 11.2.0.3 RAC database configuration.The alert log showed - Thu Apr 26 00:15:16 2012 Hex dump of (file 488, block 345039) in trace file /u01/oradiag/diag/rdbms/matrix_adc/matrix3/trace/matrix3_dbw1_16218.trc Corrupt block relative dba: 0x7a0543cf (file 488, block 345039) Bad header found during preparing block for write Data in bad … Continue reading ORA-00600:[kcbsor_2], [3], [2]