A few days ago, my colleague called, said that the company's development library died 4 or 5 times every day, I went back to the company today, I saw it to check Alertlog, found that hundreds of reports, all: ErrorS in file d: / oracle / Admin / Croot / BDump / Crootsmon.TRC: ORA-01578: Oracle Data Block Corrupted (File # 22, Block # 14715) ORA-01110: Data file 22: 'D: /oracle/oradata/croot/trbs1.ra'File # = 22 The file is a data file in the split segment table space, which is clear that the segment data block is damaged. However, the database is still available, but it can be opened, but it is not possible to close, close, the newspaper is reported: shutting down instance (immediate) license high water mark = 90Mon Oct 25 12:03:23 2004Oracle Instance Croot (PID = 6) - Error 1578 Encountered While Recovering Transaction (2, 50) .mon Oct 25 12:03:23 2004errors in file d: /oracle/admin/croot/bdump/crootsmon.trc: ORA-01578: Oracle Data Block Corrupted (File # 22, Block # 14715) ORA-01110: Data file 22: 'D: /oracle/oradata/croot/trbs1.ora'