IBM Support

IT48915: SYSTEM CPU UTILIZATION PERFORMANCE METRICS IS MISSING FOR ONE NODE IN FLASHSYSTEM AFTER DATA COLLECTOR UPGRADE IN DEC 2025

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APAR status

  • Closed as program error.

Error description

  • The System CPU Utilization performance metrics are missing for
one of the nodes in the FlashSystem. This issue started after
the Data Collector (DC) upgrade in December 2025.
Ideally, CPU utilisation metrics should be displayed for both
nodes.
____________________________________
Problem as described by customer: CPU performance value of a
node cannot be obtained for flash System
Initial customer impact (low/med/high): med

Local fix

  • NA

Problem summary

  • ****************************************************************
* USERS AFFECTED:                                              *
* IBM Storage Insights users monitoring Flash Systems          *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* The System CPU Utilization performance metrics are missing   *
* for one of the nodes in the FlashSystem. This issue started  *
* after the Data Collector (DC) upgrade in December 2025.      *
* Ideally, CPU utilization metrics should be displayed for     *
* both nodes.                                                  *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************

Problem conclusion

  • The fix for this APAR is targeted for the following release:

IBM Storage Insights 1Q26   [ 54X-IBM-SI ]
( release target 1Q 2026 / January )

The target dates for future releases do not represent a formal
commitment by IBM. The dates are subject to change without
notice.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT48915
    • 

  • Reported component name
    STORAGE INSIGHT
    • 

  • Reported component ID
    5608TPCSI
    • 

  • Reported release
    54X
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2026-01-02
    • 

  • Closed date
    2026-01-08
    • 

  • Last modified date
    2026-01-08
    • 





    

  • 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
    STORAGE INSIGHT
    • 

  • Fixed component ID
    5608TPCSI
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSQRB8","label":"IBM Storage Insights"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"54X","Line of Business":{"code":"LOB69","label":"Storage TPS"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            13 January 2026
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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