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IV41719: JFS FILE OPERATIONS CAN HANG IF STRICT_MAXPERM IS SET TO 1 APPLIES TO AIX 6100-09

Fix pending

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APAR status

  • Closed as program error.

Error description

  • File system operations like mount,write etc .. can hang
on
JFS file systems if the vmo tunable strict_maxperm is set
to
1. This problem can only be seen with JFS filesystems.
Filesystem like JFS2, Veritas not effected by this
problem.

If all rootvg filesystems on the system are of JFS type,
then system may not even boot if the strict_maxperm is
set to 1.

Local fix

  • vmo -p -o strict_maxperm=0

Problem summary

  • An application that uses JFS operations may become
non-resposive or a system with JFS filesystems may not boot or
may hang.

Problem conclusion

  • The initialization of the variable was moved to the general
code path.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV41719
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2013-05-06
    • 

  • Closed date
    2013-05-06
    • 

  • Last modified date
    2013-11-24
    • 





    

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

    
IV33938
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U854672
       UP13/11/21  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            24 November 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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