IBM Support

IJ11253: POSSIBLE UNDETECTED DATA LOSS WITH POWER9 NVME

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You can track all active APARs for this component.

 

APAR status

  • Closed as fixed if next.

Error description

  • **************************************************************
    * USERS AFFECTED:
    * Systems running the AIX 7200-00 Technology Level
    * with devices.chrp.vdevice.rte at the 7.2.0.0 level or
    * devices.chrp.pci.rte at the the 7.2.0.0 level.
      **************************************************************
    * ERROR DESCRIPTION:
    * Possible undetected data loss can occur with the optional
    * Power9 NVMe feature.  We have seen this issue occur under
    * heavy I/O stress. We have not seen this occur when the NVMe
    * devices are used for boot devices and non-intensive
    * workloads as recommended in the feature descriptions in the
    * Power9 NVMe RFA.  This only affects the VIOS/AIX LPAR(s)
    * using the NVMe devices.
      **************************************************************
    * RECOMMENDATION:
    * An interim fix is available from either
    * ftp://aix.software.ibm.com/aix/ifixes/ij11253/
    * https://aix.software.ibm.com/aix/ifixes/ij11253/
    * Installation of the ifix requires a reboot.
      **************************************************************
    

Local fix

Problem summary

  • Data miscompare/corruption.
    

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 number

    IJ11253

  • Reported component name

    AIX V7.2

  • Reported component ID

    5765CD200

  • Reported release

    720

  • Status

    CLOSED FIN

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Submitted date

    2018-11-13

  • Closed date

    2018-11-13

  • Last modified date

    2018-11-16

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

    IJ09710

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

Fix information

Applicable component levels

  • R720 PSY

       UP

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Document Information

Modified date:
16 November 2018