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IV55502: CLCOMD MAY HANG IF UNDER HIGH LOAD DURING CAA TOPOLOGY CHANGE APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • Clcomd may appear to hang if many operations such as clcmd,
clrcp, or clrsh are performed at a high frequency at the same
time that a change in the cluster topology is made using
chcluster or when stopping/starting a node with clctrl

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:
* Systems running the 7100-03 Technology Level with the
* bos.cluster.rte fileset below the 7.1.3.15 level.
****************************************************************
* PROBLEM DESCRIPTION:
* Clcomd may appear to hang if many operations such as clcmd,
* clrcp, or clrsh are performed at a high frequency at the same
* time that a change in the cluster topology is made using
* chcluster or when stopping/starting a node with clctrl
****************************************************************
* RECOMMENDATION:
* Install APAR IV55502.
****************************************************************

    



Problem conclusion


    

  • Clcomd internal state logic was improved to handle this
condition.

    



Temporary fix


    

  • 



Comments


    

  • 6100-07 - use AIX APAR IV58411
6100-08 - use AIX APAR IV57933
6100-09 - use AIX APAR IV55487
6100-09 - use AIX APAR IV55487
6100-09 - use AIX APAR IV55487
7100-01 - use AIX APAR IV57717
7100-02 - use AIX APAR IV57100
7100-03 - use AIX APAR IV55502
7100-04 - use AIX APAR IV55689

    



APAR Information




    

  • APAR number
    IV55502
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    YesPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-02-14
    • 

  • Closed date
    2014-02-14
    • 

  • Last modified date
    2016-05-10
    • 





    

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

    
IV55487
    

    • 

  • 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  U859720
       UP14/05/22  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            10 May 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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