IBM Support

IJ43166: ADD A RDMA PREREQUISITE CHECK FOR GDS MONITORING

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APAR status

  • Closed as program error.

Error description

  • The systemhealth monitor for GDS (GPUDirect Storage)
    does not warn if RDMA is not enabled.
    An enabled RDMA (mmchconfig  verbsRdma=enable)
    is needed as prerequisite to use GDS.
    

Local fix

Problem summary

  • The systemhealth monitor for GDS (GPUDirect Storage)
    does not warn if RDMA is not enabled.
    An enabled RDMA (mmchconfig  verbsRdma=enable)
    is needed as prerequisite to use GDS.
    

Problem conclusion

  • This problem is fixed in 5.1.5 PTF 1
    To see all Spectrum Scale APARs and
    their respective fix solutions refer to page
    https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_
    apars.html
    
    
    Benefits of the solution:
    Provide a new event gds_prerequisite_bad to
    signal the not-enabled RDMA configuration.
    
    Work Around:
    None
    Problem trigger:
    GDS monitoring enabled, but verbsRdma not enabled
    Symptom: Unexpected Results/Behavior
    GDS does not run when RDMA is not enabled
    Platforms affected:
    ALL Linux OS environments
    Functional Area affected:
    RDMA
    Customer Impact:
    Low
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ43166

  • Reported component name

    SPEC SCALE STD

  • Reported component ID

    5737F33AP

  • Reported release

    515

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2022-09-27

  • Closed date

    2022-09-27

  • Last modified date

    2022-09-27

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

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

Fix information

  • Fixed component name

    SPEC SCALE STD

  • Fixed component ID

    5737F33AP

Applicable component levels

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"515","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
27 September 2022