188 to 8191 Dba:0x01400014
-------------------------------------------------------
ff060000 l ....
<16 bytes per line>
而逻辑损坏的修复，通常是使用dbms_repair 包将损坏块忽略
SQL> exec dbms_repair.skip_corrupt_blocks('SYS','T1');
PL/SQL procedure successfully completed.
SQL> update t1 set object_name=rownum;
22849 rows updated.
SQL> commit;
Commit complete.