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IV16025: MMBACKUP W/DIR NAME STILL HAS APPLYPOLICY SCAN WHOLE FS

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APAR status

  • Closed as program error.

Error description

  • In a file system with a million files spread across 10
filesets.
With gpfs 3.3.0.3, there is no difference in the amount
of work required
by the server between using mmbackup to backup a file
system or a
(fileset) subdirectory within the file system.
The .execScript for mmapplypolicy does not contain any
reference to the
subdirectory.
The list of changed or expired files created by
mmapplypolicy does
contain a subset of files within the subdirectory.
The diff of the changed files against the old shadow does
not contain a
reference to the subdirectory.
After that in tsbackup33, when the actual files are
backed up or
expired, the workload is reduced.

Local fix

  • 



Problem summary


    

  • mmbackup w/dir name still has applypolicy scan whole fs.

    



Problem conclusion


    

  • The solution for this is to add rule for policy module to scan
only the directory and its dependents.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV16025
    • 

  • Reported component name
    GPFS/AIX5L V3
    • 

  • Reported component ID
    5765G66AP
    • 

  • Reported release
    340
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2012-02-22
    • 

  • Closed date
    2012-02-22
    • 

  • Last modified date
    2015-05-14
    • 





    

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

    
IZ84082
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    GPFS/AIX5L V3
    • 

  • Fixed component ID
    5765G66AP
    • 



Applicable component levels


    

  • R340  PSY  U869511
       15/05/14  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            22 August 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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