IBM Support

IJ53815: POTENTIAL DEADLOCK DURING AND AFTER SCALE LEVEL UPDATE.

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APAR status

  • Closed as program error.

Error description

  • During or after upgrade of manager nodes to 5.2.0.0+, deadlock
can occur.

Local fix

  • 



Problem summary


    

  • During or after upgrade of manager nodes to 5.2.0.0+, deadlock
can occur.

    



Problem conclusion


    

  • Benefits of the solution:
Manager nodes do not deadlock causing lose of file system
access.

Work Around:
None

Problem trigger:
Manager node(s) areon version 5.2.0.0+. Client nodes are running
a release prior to 5.1.9.0, or morethan one file system is under
token migration at the same time.

Symptom:
Cluster/File System Outage

Platforms affected:
All Operating System environments

Functional Area affected:
All Scale Users

Customer Impact:
High Importance

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ53815
    • 

  • Reported component name
    SPEC SCALE STD
    • 

  • Reported component ID
    5737F33AP
    • 

  • Reported release
    523
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2025-03-05
    • 

  • Closed date
    2025-03-05
    • 

  • Last modified date
    2025-03-05
    • 





    

  • 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":"BU048","label":"IBM Software"},"Product":{"code":"STXKQY"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"523","Line of Business":{"code":"LOB69","label":"Storage TPS"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            05 March 2025
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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