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IJ21577: POSSIBLE UNDETECTED DATA CORRUPTION WITH CERTAIN FIBRE CHANNEL AAPPLIES TO AIX 7100-05

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APAR status

  • Closed as program error.

Error description

  • **************************************************************
* USERS AFFECTED:
* Systems running the AIX 7100-05 Technology Level
* with devices.pci.df1000f7.com below the 7.1.5.33 level.
  **************************************************************
* ERROR DESCRIPTION:
* Possible undetected data corruption can occur when using the
* following Fibre Channel adapters on AIX or VIOS:
*
* PCIe LP 8 Gb 2-Port Fibre Channel Adapter
* (FC 5273; CCIN 577D)
* 8 Gb PCI Express Dual-port Fibre Channel Adapter
* (FC 5735; CCIN 577D)
* PCIe2 FH 4-Port 8 Gb Fibre Channel Adapter
* (FC 5729; CCIN 5729)
*
* With these adapters it is possible that I/Os may be reissued
* with incorrect data being written to or read from the disk.
  **************************************************************
* RECOMMENDATION:
* Install APAR IJ21577.
* Prior to fix availability, an interim fix is available from
* either
* ftp://aix.software.ibm.com/aix/ifixes/ij21577/
* https://aix.software.ibm.com/aix/ifixes/ij21577/
* Installation of the ifix requires a reboot.
  **************************************************************

Local fix

  • 



Problem summary


    

  • Adapter may encounter EEH error and IO issues.

    



Problem conclusion


    

  • Re-ordered the heavy weight sync in Issue code path.

    



Temporary fix


    

  •   *********
  * HIPER *
  *********

    



Comments


    

  • 6100-09 - use AIX APAR IJ21576
7100-05 - use AIX APAR IJ21577
7200-01 - use AIX APAR IJ21527
7200-04 - use AIX APAR IJ21527

    



APAR Information




    

  • APAR number
    IJ21577
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    YesHIPER
    • 

  • Submitted date
    2019-12-12
    • 

  • Closed date
    2019-12-12
    • 

  • Last modified date
    2020-11-16
    • 





    

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

    
IJ21527
    

    • 

  • 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  U884893
       UP20/05/05  I  1000  Ž
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Platform":[{"code":"PF053","label":"Power Systems"}],"Version":"710","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            18 November 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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