IJ21581: POSSIBLE UNDETECTED DATA CORRUPTION WITH CERTAIN FIBRE CHANNEL A

APAR status

• Closed as fixed if next.

Error description

• **************************************************************
  * USERS AFFECTED:
  * Systems running the AIX 7100-04 Technology Level
  * with devices.pci.df1000f7.com at or below the
  * 7.1.4.34 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:
  * An interim fix is available from either
  * ftp://aix.software.ibm.com/aix/ifixes/ij21581/
  * https://aix.software.ibm.com/aix/ifixes/ij21581/
  * Installation of the ifix requires a reboot.
    **************************************************************
  

Local fix

Problem summary

• Adapter may encounter EEH error and IO issues.
  

Problem conclusion

Temporary fix

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

Comments

• This APAR is being closed FIN. This means that a solution to
  this APAR is expected to be delivered from IBM in a release
  (if any) to be available within the next 24 months.
  

APAR Information

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

  IJ21527

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

Fix information

Applicable component levels