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IV55381: CLMIGCHECK COMMAND FAILS DUE TO MPING RC=255. APPLIES TO AIX 6100-09

A fix is available

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APAR status

  • Closed as program error.

Error description

  • When running the CAA clmigcheck command on the final
    node during a PowerHA migration, it failed with the
    following error showing a small percentage of multicast
    packet loss:
    
    32 bytes from <IP address> seqno=1 ttl=1 time=0.569 ms
    32 bytes from <IP address> seqno=2 ttl=1 time=0.679 ms
    32 bytes from <IP address> seqno=3 ttl=1 time=0.562 ms
    32 bytes from <IP address> seqno=4 ttl=1 time=0.568 ms
    Sleeping for 1 second to wait for any additional
       packets to arrive
    --- <IP address> mping statistics ---
    5 packets transmitted, 4 packets received, 20% packet
    loss
    round-trip min/avg/max = 0.562/0.595/0.679 ms
    ERROR: Multicast communication with node <nodename>
    failed
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-03 Technology Level with the
    * bos.cluster.rte below the 7.1.3.15 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * When running the CAA clmigcheck command on the final
    * node during a PowerHA migration, it failed with the
    * following error showing a small percentage of multicast
    * packet loss:
    * 32 bytes from <IP address> seqno=1 ttl=1 time=0.569 ms
    * 32 bytes from <IP address> seqno=2 ttl=1 time=0.679 ms
    * 32 bytes from <IP address> seqno=3 ttl=1 time=0.562 ms
    * 32 bytes from <IP address> seqno=4 ttl=1 time=0.568 ms
    * Sleeping for 1 second to wait for any additional
    *    packets to arrive
    * --- <IP address> mping statistics ---
    * 5 packets transmitted, 4 packets received, 20% packet
    * loss
    * round-trip min/avg/max = 0.562/0.595/0.679 ms
    * ERROR: Multicast communication with node <nodename>
    * failed
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV55381.
    ****************************************************************
    

Problem conclusion

  • Back to previous judgement, the only case that is 0 packets
    received would consider clmigcheck fail.
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV58348
    6100-08 - use AIX APAR IV55907
    6100-09 - use AIX APAR IV55381
    6100-09 - use AIX APAR IV55381
    6100-09 - use AIX APAR IV55381
    7100-01 - use AIX APAR IV57629
    7100-02 - use AIX APAR IV51198
    7100-03 - use AIX APAR IV55379
    7100-04 - use AIX APAR IV55452
    

APAR Information

  • APAR number

    IV55381

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-02-12

  • Closed date

    2014-02-12

  • Last modified date

    2016-05-10

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

    IV51198

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U856008

       UP14/05/21 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Standard Edition

Software version: 610

Operating system(s): AIX

Reference #: IV55381

Modified date: 10 May 2016