ORA-1578 ORA-27047 ORA-27048 Corrupt blocks when using RMAN / NetBackup
(Doc ID 373595.1)
Last updated on JULY 29, 2019
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterOracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Corrupt blocks by Netbackup overwriting Oracle database files after RMAN backup.It may affect any blocks including Oracle OS block (block zero), Datafile Header block (Block 1), Block 2, etc.
- When it affects data blocks, Oracle may report the corruption with ORA-1578.
- For block 2 DBVERIFY produces the next errors:
The ascii representation of these hexadecimal values is:
05:00:06.380 [4948182] <4> :
- When the datafile header block 1 is corrupted , ORA-27048 can be produced by "Create Controlfile"
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |