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IJ20150: QOS - HANG ON QOSPIPEMUTEX

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APAR status

  • Closed as program error.

Error description

  • QOS may deadlock on the file system manager node,
    particularly if there are many (hundreds) of nodes
    mounting the file system and the manager node is is
    heavily CPU or network loaded.
    

Local fix

Problem summary

  • QOS may deadlock on the file system manager node,
    particularly if there are many (hundreds) of nodes
    mounting the file system and the manager node is is
    heavily CPU or network loaded.
    

Problem conclusion

  • Maintain continuous operation under load, with QOS enabled.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ20150

  • Reported component name

    SPECTRUM SCALE

  • Reported component ID

    5725Q01AP

  • Reported release

    423

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-10-14

  • Closed date

    2019-10-14

  • Last modified date

    2019-10-14

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

    IJ17584

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

Fix information

  • Fixed component name

    SPECTRUM SCALE

  • Fixed component ID

    5725Q01AP

Applicable component levels

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY","label":"IBM Spectrum Scale"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"423","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSFKCN","label":"General Parallel File System"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"423","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
14 October 2019