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IJ28584: AFM MIGRATION IS GETTING STUCK

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APAR status

  • Closed as program error.

Error description

  • On newer kernels > 31 300000, a pointer allocated in the
cache_lookup is not released causing the file struct leak
in the kernel and also open files being not reclaimed in
the daemon as the gpfs_f_release is not called.

Local fix

  • 



Problem summary


    

  • File and memory leaks in the kernel.

    



Problem conclusion


    

  • Benefits of the solution:
No more files and memory leaks

Work around: None

Problem trigger:
AFM migration on newer kernel versions >= 3.13

Symptom:  Memory leak.

Platforms affected: All Linux OS environments

Functional Area affected: AFM

Customer Impact: HiPER

Changed Externals: NA

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ28584
    • 

  • Reported component name
    SPEC SCALE DME
    • 

  • Reported component ID
    5737F34AP
    • 

  • Reported release
    505
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2020-10-06
    • 

  • Closed date
    2020-10-12
    • 

  • Last modified date
    2020-10-12
    • 





    

  • 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":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY","label":"IBM Spectrum Scale"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"505","Line of Business":{"code":"LOB26","label":"Storage"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            13 October 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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