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IV31359: GETWD CAN BE SLOW OR HANG IN NON JFS/JFS2 PATHS APPLIES TO AIX 7100-02

A fix is available

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Getwd can show performances problems or hangs in paths
    that involve non jfs or jfs2 filesystems.
    It has been seen in clearcase MVFS filesystems or
    automount
    /namefs but might not be limited to.
    Note this can still happen with IZ94911 installed, there
    is further complication with non jfs or jfs2 filesystems.
    

Local fix

Problem summary

  • getwd() performance within CC/CQ is very slow.
    

Problem conclusion

  • in get_mntdover_ino(), if we are dealing with a vfs who's gfs
    is a GFS_PSEUDOROOT gfs then let the vfs to get the mntdover
    vnode.
    

Temporary fix

Comments

  • 5300-12 - use AIX APAR IV22023
    6100-07 - use AIX APAR IV33823
    6100-08 - use AIX APAR IV31361
    7100-01 - use AIX APAR IV34987
    7100-02 - use AIX APAR IV31359
    

APAR Information

  • APAR number

    IV31359

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2012-11-05

  • Closed date

    2012-11-05

  • Last modified date

    2013-11-23

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

    IV22023

  • 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 U858290

       UP13/02/19 I 1000

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Document Information

Modified date:
23 November 2013