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IV71058: LOSS OF REPOS DISK ACCESS CAUSES MANY DISK ERRORS APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • When using clustered AIX with the disk ping driver on the
repository disk, there can be a flood of errors in the error
report if all access to the repository disk is lost.  This
flood of errors can cause other more important error logs
to be lost, and can cause excessive CPU use for error log
analysis.

Local fix

  • 



Problem summary


    

  • When using clustered AIX with the disk ping driver on the
repository disk, there can be a flood of errors in the error
report if all access to the repository disk is lost.  This
flood of errors can cause other more important error logs
to be lost, and can cause excessive CPU use for error log
analysis.

    



Problem conclusion


    

  • Modified the disk ping driver to throttle the I/O rate after
it detects several errors in a row.

    



Temporary fix


    

  • 



Comments


    

  • 6100-08 - use AIX APAR IV71075
6100-09 - use AIX APAR IV71036
7100-02 - use AIX APAR IV71088
7100-03 - use AIX APAR IV71058

    



APAR Information




    

  • APAR number
    IV71058
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2015-03-16
    • 

  • Closed date
    2015-03-16
    • 

  • Last modified date
    2015-09-30
    • 





    

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

    
IV71036
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U865668
       UP15/05/19  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            30 September 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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