Database Error Messages

OCI-11212

Datafile string may have missed last block

Cause

Incremental backup may have missed last tail bitmap block of datafile to backup if all the below conditions are satisfied:

  1. It should be an incremental backup
  2. It should be a Locally Managed Tablespace
  3. Only one space tail bitmap block at last block of the datafile
  4. BLOCK CHANGE TRACKING and UNUSED BLOCK OPTIMIZAION should be used
  5. Last 2MB of datafile blocks should be modified and tracked by BLOCK CHANGE TRACKING

Action

Verify the tablespace of the datafile using EXECUTE DBMS_SPACE_ADMIN.TABLESPACE_VERIFY('<tablespace_name>'); If TABLESPACE_VERIFY reports any inconsistency, then rebuild bitmaps using EXECUTE DBMS_SPACE_ADMIN.TABLESPACE_REBUILD_BITMAPS('<tablespace_name>');