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IJ05036: corrupt dtree may cause fsck to hang APPLIES TO AIX 7200-03

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APAR status

  • Closed as program error.

Error description

  • AIX server running database reported file system
corruption
(file system superblock is dirty) after server was
restarted. Attempts to correct corruption error by
running
fsck is not successful. fsck cmd has been running for
about
7-8 hours. This file system is only 300 GB in size.

Local fix

  • Stop fsck (Ctrl-C), and then run it again. Ctrl-C gets it
out of the loop.

Problem summary

  • fsck on a corrupt filesystem might hang if a specific
metadata entry has got corrupted.

Problem conclusion

  • Do not lopp forever looking for terminal slot. Stop when
the maximum possible number of slot entries is hit.

Temporary fix

  • 



Comments


    

  • 6100-09 - use AIX APAR IJ05031
7100-05 - use AIX APAR IJ05023
7200-03 - use AIX APAR IJ05036

    



APAR Information




    

  • APAR number
    IJ05036
    • 

  • Reported component name
    AIX V7.2
    • 

  • Reported component ID
    5765CD200
    • 

  • Reported release
    720
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2018-03-19
    • 

  • Closed date
    2018-03-19
    • 

  • Last modified date
    2018-09-21
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    
IJ02951
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    AIX V7.2
    • 

  • Fixed component ID
    5765CD200
    • 



Applicable component levels


    

  • R720  PSY  U875515
       UP18/09/13  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            21 September 2018
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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