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IJ23563: HA CLEVMGRD COREDUMPS 30 MINUTES AFTER STARTING

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Direct link to fix

PowerHA-7.2.2 SP4

 

APAR status

  • Closed as program error.

Error description

  • The PowerHA cluster event manager daemon (clevmgrd)
may coredump 30 minutes after starting.  The stack
may look like this --

getenv(??) at 0xd0113fcc
buildname(??, ??, ??, ??) at 0xd0668b14
lvm_getvgdef(??, ??, ??, ??, ??, ??) at 0xd066759c
lvm_queryvg_full(??, ??, ??, ??) at 0xd06a5bd8
check_whether_VG_is_VarydOn(p_vg_name = "vg1")
setupLVMMonitoring()
rootVGRefresh(dummy = (nil))

Local fix

  • N/A

Problem summary

  • The PowerHA cluster event manager daemon (clevmgrd)
may coredump 30 minutes after starting. The stack
may look like this and stack may vary.

getenv(??) at 0xd0113fcc
buildname(??, ??, ??, ??) at 0xd0668b14
lvm_getvgdef(??, ??, ??, ??, ??, ??) at 0xd066759c
lvm_queryvg_full(??, ??, ??, ??) at 0xd06a5bd8
check_whether_VG_is_VarydOn(p_vg_name = "vg1")
setupLVMMonitoring()
rootVGRefresh(dummy = (nil))

Problem conclusion

  • Modified clevmgrd code to allocate sufficient segments for LVM
calls.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ23563
    • 

  • Reported component name
    POWERHA SYSMIR
    • 

  • Reported component ID
    5765H3900
    • 

  • Reported release
    722
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2020-03-12
    • 

  • Closed date
    2020-03-12
    • 

  • Last modified date
    2020-03-12
    • 





    

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

    
IJ21521
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    POWERHA SYSMIR
    • 

  • Fixed component ID
    5765H3900
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSLM9V","label":"PowerHA SystemMirror Standard Edition for AIX"},"Platform":[{"code":"PF053","label":"Power Systems"}],"Line of Business":{"code":"LOB57","label":"Power"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            28 May 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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