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IV63976: LVM COMMANDS MAY FAIL ON SVG WITH UNACCOUNTABLE INTERNAL ERROR APPLIES TO AIX 7100-02

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When chvg -g <VG> command is run to examine disk size
    growth, numpps field in VG Header of scalable VG doesnot
    get updated. As a result, when hdisks are reduced from
    VGs,
    sometimes it results in negative numpps value. This
    causes
    few LVM commands to fail with below error:
    
    0516-070 lreducelv: LVM system call found an
    unaccountable
            internal error.
    

Local fix

Problem summary

  • chvg -g code does not update numpps field in SVG metadata on
    disk.  This can cause future problems as described above.
    

Problem conclusion

  • Modify chvg -g code to update numpps field properly
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV67503
    6100-09 - use AIX APAR IV64087
    7100-02 - use AIX APAR IV63976
    7100-03 - use AIX APAR IV64157
    

APAR Information

  • APAR number

    IV63976

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-08-25

  • Closed date

    2014-08-26

  • Last modified date

    2015-09-30

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY

       UP



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV63976

Modified date: 30 September 2015