Logical Block Corruption ( Index )
Hi,
in our env Oracle 12.2 RDBMS/GI we have following issue.
While checking alertlogs I saw following entry:
PDB_***(3):ADVISORY: Please collect redo for investigation of ORA-8103. Use command:
PDB_***(3): ALTER SYSTEM DUMP REDO scn min 1 scn max 20519748833 dba min 27 39723 dba max 27 39723;
PDB_***(3):Hex dump of (file 27, block 39723) in trace file /u01/app/oracle/diag/rdbms/db***/db***1/trace/db***1_ora_7299.trc
PDB_***(3):
PDB_***(3):Corrupt block relative dba: 0x06c09b2b (file 27, block 39723)
PDB_***(3):Bad header found during multiblock buffer read (logical check)
PDB_***(3):Data in bad block:
PDB_***(3): type: 6 format: 2 rdba: 0x06c09b2b
PDB_***(3): last change scn: 0x0000.0004.c71284ae seq: 0x1 flg: 0x04