IBM Support

IJ30552: MIGRATION WITHIN THE SAME GROUP POOL DOES NOT FULLY REBALANCE

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APAR status

  • Closed as program error.

Error description

  • Migration within the same group pool does not fully rebalance
unless higher preferred pools have more available space than
less preferred pools.

Local fix

  • 



Problem summary


    

  • Migration within the same group pool does not fully rebalance
unless higher preferred pools have more available space than
less preferred pools.

    



Problem conclusion


    

  • Benefits of the solution:
Migration within the same group pool will rebalance as expected

Work around:
none

Problem trigger:
Run migration policy within the same group pool

Symptom:
Unexpected Results/Behavior

Platforms affected:
All platforms that mmapplypolicy supports

Functional Area affected:
Commands

Customer Impact:
High Importance

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ30552
    • 

  • 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
    2021-02-01
    • 

  • Closed date
    2021-02-01
    • 

  • Last modified date
    2021-02-01
    • 





    

  • 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 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:
            

            02 February 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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