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IV14781: VARYONVG MAY CORE WITH SUPER STRICT MIRROR POOLS ENABLED. APPLIES TO AIX 7100-00

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APAR status

  • Closed as program error.

Error description

  • varyonvg may core with the following stack when mirror
pool super strictness is enabled.

(dbx) where
lvm_build_mps(??, ??, ??, ??, ??) at 0xd173a1f4
lvm_check_async_mirror(??, ??, ??, ??, ??, ??, ??) at
0xd17444e0
lvm_varyonvg(??) at 0xd1751940
main(??, ??) at 0x10000814

Error report will show the following message.

#errpt -a
---------------------------------------------------------
------------------
LABEL:          CORE_DUMP
.......
CORE FILE NAME
/var/hacmp/core
PROGRAM NAME
varyonvg
ADDITIONAL INFORMATION
lvm_build 774
lvm_build 704
lvm_check E4
lvm_varyo 5A4
main 498
__start 6C

Local fix

  • Disabling the mirror pool super strictness on VG may
varyon the VG.

Problem summary

  • If superstrict mirror pools are enabled, varyonvg may core
dump with a stack similar to:
(dbx) where
lvm_build_mps(??, ??, ??, ??, ??) at 0xd173a1f4
lvm_check_async_mirror(??, ??, ??, ??, ??, ??, ??) at
0xd17444e0
lvm_varyonvg(??) at 0xd1751940
main(??, ??) at 0x10000814

Problem conclusion

  • Remove the offending lvmt entry, since the next lvmt entry
provides the same information.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV14781
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2012-02-02
    • 

  • Closed date
    2012-02-21
    • 

  • Last modified date
    2013-02-27
    • 






Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U857129
       UP12/12/11  I  1000
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            27 February 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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