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PI74251: "BAD FILE DESCRIPTOR" ERROR WHILE OBTAINING A FILESYSTEM LOCK ONA FILE WITHIN A VOB ON RHEL 6.4 AND ABOVE

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APAR status

  • Closed as program error.

Error description

  • Performing a filesystem lock on a file inside of a IBM Rational
    ClearCase VOB from adynamic view  may return "Bad file
    descriptor" error may be returned.
    This issue is only seen on some RedHat 6  (kernel 2.6.32)
    versions using NFS version 4 mounts.
    
    WORKAROUND:
    1. Mount ClearCase storage with NFS version 3 mounts
    2. use RedHat version 7.x
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users of ClearCase dynamic views on Linux kernel 2.6.32      *
    * versions (RedHat 6.x) using NFS version 4 mounts for view or *
    * VOB storage.                                                 *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * Performing a system file lock on dynamic view private file   *
    * via NFSv4 fails with error "Bad file descriptor"             *
    * This issue is only seen on some RedHat 6  (kernel 2.6.32)    *
    * versions using NFS version 4 mounts.                         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    

Problem conclusion

  • Under certain circumstances, incorrect flags were specified when
    opening a file.
    This problem is fixed in ClearCase 8.0.1.14 and 9.0.0.4.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI74251

  • Reported component name

    CLEARCASE WIN

  • Reported component ID

    5724G2900

  • Reported release

    801

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-12-29

  • Closed date

    2017-03-16

  • Last modified date

    2017-03-16

  • 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

    CLEARCASE WIN

  • Fixed component ID

    5724G2900

Applicable component levels

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSSH27","label":"Rational ClearCase"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"801","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
30 June 2020