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IJ46422: UNEXPECTED DATA READ FROM FILE AFTER TRUNCATES AND WRITES

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APAR status

  • Closed as program error.

Error description

  • Error Description:

After a series of write and truncate operations to a
file, the file may be left with unexpected data.

Reported in:
Spectrum Scale 5.1.7 on RHEL8

Known Impact:
Data interity

Verification steps:

Recovery action:
N/A

Local fix

  • 



Problem summary


    

  • Undetected silent data corruption may be left on disk after
truncate operation

    



Problem conclusion


    

  • Fixed the code to avoid such silent data corruption.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ46422
    • 

  • Reported component name
    SPEC SCALE DME
    • 

  • Reported component ID
    5737F34AP
    • 

  • Reported release
    516
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2023-04-14
    • 

  • Closed date
    2024-08-07
    • 

  • Last modified date
    2024-08-07
    • 





    

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

    • 

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

    • 



Fix information


    

  • Fixed component name
    SPEC SCALE DME
    • 

  • Fixed component ID
    5737F34AP
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"STXKQY"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"516","Line of Business":{"code":"LOB69","label":"Storage TPS"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            07 August 2024
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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