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IV46202: RESERVATION CONFLICT AFTER LPM WHEN RESERVE_POLICY=SINGLE_PATH APPLIES TO AIX 6100-08

A fix is available

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APAR status

  • Closed as program error.

Error description

  • On an NPIV client when the reserve_policy on a disk is
    set
    to single_path,there are times after an LPM operation is
    completed, one of the disks would experience reservation
    conflict. The sequence of events as per error log entries
    CLIENT_PMIG_STARTED
    CLIENT_PMIG_DONE
    SC_DISK_ERR10 which decodes to reservation conflict
    
    Note this does NOT impact VSCSI clients.
    

Local fix

Problem summary

  • On an NPIV client when the reserve_policy on a disk is
    set
    to single_path,there are times after an LPM operation is
    completed, one of the disks would experience reservation
    conflict. The sequence of events as per error log entries
    CLIENT_PMIG_STARTED
    CLIENT_PMIG_DONE
    SC_DISK_ERR10 which decodes to reservation conflict
    
    Note this does NOT impact VSCSI clients.
    

Problem conclusion

  • Code corrected to avoid the issue.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV46202

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-07-29

  • Closed date

    2013-08-27

  • Last modified date

    2014-02-17

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U860023

       UP14/02/17 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
17 February 2014