IBM Support

IC64588: ONSTAT AND MESSAGE LOG SHOW ON-LINE MODE WHEN USER CONNECTIONS ARE NOT ACCEPTED PRIOR TO ER SYNC COMPLETION

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APAR status

  • Closed as program error.

Error description

  • If the return value from onstat is used to determine when
applications can be started in a hardware failover, the
applications can be started prior to the engine allowing
connections if ER needs to sync at start up.  In this case ,the
application may hang requiring manual intervention in what
should be an automated process which will cause a greater amount
of downtime.  If the mode is not set until after ER has finished
syncing and connections are accepted or a new return value is
used to indicate that the instance is on-line and accepting
connections this would resolve the problem.

Local fix

  • Use onstat -g ntd , grep for sqlexec client type and when the
next column is "yes" the instance will be ready to accept
connections.

Problem summary

  • ****************************************************************
* USERS AFFECTED:                                              *
* Users with an HDR pair that is an ER participant             *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* After failover, the primary shows online mode but the        *
* clients are not able to connect to the server.               *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to 11.50.xC7 and above.                              *
****************************************************************

Problem conclusion

  • Problem is first fixed in 11.50.xC7

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IC64588
    • 

  • Reported component name
    IBM IDS ENTRP E
    • 

  • Reported component ID
    5724L2304
    • 

  • Reported release
    B15
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2009-11-16
    • 

  • Closed date
    2010-10-01
    • 

  • Last modified date
    2010-10-01
    • 





    

  • 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
    IBM IDS ENTRP E
    • 

  • Fixed component ID
    5724L2304
    • 



Applicable component levels


    

  • RB15  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            01 October 2010
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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