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OA45514: IMPROVE OVERALL TIME DEVICES ARE HELD AT HIGH UCB LEVELS

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APAR status

  • Closed as new function.

Error description

  • New Function APAR to improve the overall time devices are held
at high UCB levels when affected devices are unresponsive to
dynamic pathing I/O during Channel Path Recovery processing.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED: Users at HBB7780 and above                   *
****************************************************************
* PROBLEM DESCRIPTION: New Function APAR to reduce the overall *
*                      time devices are held at high UCB       *
*                      levels during Channel Path Recovery     *
*                      processing because those devices are    *
*                      unresponsive to dynamic pathing I/O.    *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
New Function APAR to reduce the overall time devices are held at
high UCB levels during Channel Path Recovery processing because
those devices are unresponsive to dynamic pathing I/O.

    



Problem conclusion


    

  • 



Temporary fix


    

  • 



Comments


    

  • New Function APAR to reduce the overall time devices are held at
high UCB levels during Channel Path Recovery processing because
those devices are unresponsive to dynamic pathing I/O.

    



APAR Information




    

  • APAR number
    OA45514
    • 

  • Reported component name
    IOS
    • 

  • Reported component ID
    5752SC1C3
    • 

  • Reported release
    780
    • 

  • Status
    CLOSED  UR1
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    YesSpecatt / New Function / Xsystem
    • 

  • Submitted date
    2014-06-25
    • 

  • Closed date
    2015-11-11
    • 

  • Last modified date
    2016-06-03
    • 





    

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

    • 

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

    
UA79733 UA79734 UA79735
    

    • 



Modules/Macros


    

  • IOSDPTUD IOSRCHDR IOSVDPDR

    



Fix information


    

  • Fixed component name
    IOS
    • 

  • Fixed component ID
    5752SC1C3
    • 



Applicable component levels


    

  • R7A0  PSY  UA79733
       UP15/11/25  P  F511
    • 

  • R780  PSY  UA79734
       UP15/11/25  P  F511
    • 

  • R790  PSY  UA79735
       UP15/11/25  P  F511
    • 



Fix is available


    

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Document Information


            

            


                        

            Modified date:
            

            03 June 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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