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how to solve the database head check error

Publication Date:  2012-07-24 Views:  60 Downloads:  0
Issue Description
plug CXL board into OSN1500 subrack and find it continue to restart, the database is abnormal, try to use "dbms-delete-data" command to delete drdb, fdb0 and fdb1,  the result is as belows:
:dbms-delete-data:drdb;
#9-4:szhw [][][2007-07-16 13:40:06]>
  EVENT_DBMS_DELETE  :                                                            
#9-4:szhw [][][2007-07-16 13:40:06]>
:dbms-delete-data:fdb0;
failed! cmd:0x300c error:0x9205 NSERR_DBMS_HEAD_CHECK_ERROR             
#9-4:szhw [][][2007-07-16 13:40:23]>
:dbms-delete-data:fdb1;
failed! cmd:0x300c error:0x9205 NSERR_DBMS_HEAD_CHECK_ERROR             
#9-4:szhw [][][2007-07-16 13:40:27]>
 
            
Alarm Information
Null
      
Handling Process
After Using ftp way to restore the database, the result is still return database head check error iwhen we use command to delete fdb0 and fdb1.  Try to copy all database from drdb to fdb0 and fdb1, then we can delete them successfully, the details command is as belows:
:dbms-copy-all:drdb,fdb0;
#9-4:szhw [][][2007-07-16 13:40:41]>
:dbms-copy-all:drdb,fdb1;
#9-4:szhw [][][2007-07-16 13:40:48]>
:dbms-delete-data:fdb0;
#9-4:szhw [][][2007-07-16 13:40:55]>
  EVENT_DBMS_DELETE  :                                                            
#9-4:szhw [][][2007-07-16 13:40:55]>
:dbms-delete-data:fdb1;
#9-4:szhw [][][2007-07-16 13:41:02]>
  EVENT_DBMS_DELETE  :                                                            
#9-4:szhw [][][2007-07-16 13:41:02]>
      
Root Cause
Realtime save database software bug lead to the abnormal database, we need delete drdb, fdb0 and fdb1 to restore database,the drdb can be deleted normally, but the fdb0 and fdb1 can not.the following ways can be used to restore fdb0 and fdb1:
1.Use ftp to delete all db and dbms files, then plug out/in the CXL board, delete fdb0 and fdb1again;
2.Copy all drdb to fdb0 and fdb1, then delete them again.   
      
Suggestions
if the normal way doesn't work, you can try to think another ponit of view to solve the problem. 

END