IT38494: PERFORMANCE MONITORING USES INCORRECT DURATION CALCULATIONS, RESULTS IN ERRONEOUS REPORTING

APAR status

• Closed as program error.

Error description

• In Storage Insights the performance monitoring uses
  incorrect duration calculations, which results in erroneous
  reporting.  A symptom of this problem is seen in reporting
  on storage device CPU core utilization percentages,
  where percentages are reported over 100%.
  
  This applies to IBM Spectrum Virtualize family storage
  systems.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * IBM Storage Insights users monitoring SVC storage devices    *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * In Storage Insights the performance monitoring uses          *
  * incorrect duration calculations, which results in            *
  * erroneous reporting.  A symptom of this problem is           *
  * seen in reporting on storage device CPU core                 *
  * utilization percentages, where percentages are               *
  * reported over 100%.                                          *
  *                                                              *
  * This applies to IBM Spectrum Virtualize family               *
  * storage systems.                                             *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• The fix for this APAR is targeted for the following release:
  
  IBM Storage Insights 4Q21   [ 54X-IBM-SI ]
  ( release target 4Q 2021 / October )
  
  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 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