Solution : https://service.sap.com/sap/support/notes/354293 (SAP Service marketplace login required)
Key words :
block type = ktb-managed data blockfound block, marked corrupteddbverify - verification completetotal pages examined, create table dummy pctfree 99 pctused 1 storage, alter system set undo_tablespace=<new_undo_tsp>, check code 1total pages failing, previous step returns <extent number> + 1, <number>total pages marked corrupt, alter table dummy allocate extent, <number>total pages failing, <number>total pages influx
Related Notes :
| 1633801 | DBV check code 6401 when using transportable tablespaces |
| 1395074 | ORA-00201: Block, dba <address>, marked corrupt for invalid |
| 871455 | Poor performance when accessing DBA and V$ views |
| 786645 | Explanations for spontaneous corrections of corrupt blocks |
| 541538 | FAQ: Reorganization |
| 369670 | DBV report UNDO corruption after migration V7 to V8 |
| 365481 | Block corruptions |
| 23345 | Consistency check of ORACLE database |