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IJ30682: DMAPI DM_GET_ALLOCINFO FUNCTION RETURNS IMPROPER RESULTS

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APAR status

  • Closed as program error.

Error description

  • In Spectrum Scale DMAPI environment an error message is
produced When application processes big files. The main
issue is dm_get_allocinfo() returns unexpected values.

Local fix

  • 



Problem summary


    

  • After dm_punch_hole call, a dm_get_allocinfo could
return improper results for the information of the
data blocks allocation.

    



Problem conclusion


    

  • Benefits of the solution:
Fix the unexpected report from
dm_get_allocinfo API.

Work around:
N/A

Problem trigger:
Calling dm_punch_hole to create hole in a file.

Symptom:
Unexpected Results

Platforms affected:
All Operating Systems

Functional Area affected:
DMAPI

Customer Impact:
High Importance

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ30682
    • 

  • Reported component name
    SPEC SCALE STD
    • 

  • Reported component ID
    5737F33AP
    • 

  • Reported release
    510
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2021-02-03
    • 

  • Closed date
    2021-02-03
    • 

  • Last modified date
    2021-02-03
    • 





    

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

    
IJ30143
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    SPEC SCALE STD
    • 

  • Fixed component ID
    5737F33AP
    • 



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":"510","Line of Business":{"code":"LOB26","label":"Storage"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            04 February 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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