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IC91377: DB2DIAG.LOG REPORTS "NO FCM CHANNELS AVAILABLE" EVEN THOUGH FCM_NUM_CHANNELS IS SET TO AUTOMATIC

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APAR status

  • Closed as program error.

Error description

  • db2diag.log reports "NO FCM CHANNELS AVAILABLE" even though the
    dbm cfg parameter FCM_NUM_CHANNELS is set to AUTOMATIC and db2pd
    reports there are still free channels available
    
    db2diag.log looks like:
    
    2013-04-03-13.10.55.524717-240 I12820560A513      LEVEL: Error
    PID     : 27459692             TID  : 30042       PROC : db2sysc
    18
    INSTANCE: db2inst1               NODE : 018         DB   :
    SAMPLE
    APPHDL  : 0-1651               APPID:
    171.150.216.90.49228.130325115216
    AUTHID  : SAPBP1
    EDUID   : 30042                EDUNAME: db2agntp (SAMPLE) 18
    FUNCTION: DB2 UDB, fast comm manager,
    sqkfChannelManager::AllocChannel, probe:2
    RETCODE : ZRC=0x85590029=-2057764823=SQLKF_NO_CHANNEL
              "No FCM Channels available"
    
    >db2pd -fcm
    
    FCM Usage Statistics
    ====================
    
    Total Channels: 6265
    Free Channels:  4523
    Channels LWM:   268
    Max Channels:   1573410
    

Local fix

  • Manually increase the FCM_NUM_CHANNELS dbm cfg parameter
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 v9.7 Fix Pack 9 or higher                     *
    ****************************************************************
    

Problem conclusion

  • First fixed in DB2 V9.7 Fix Pack 9
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC91377

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-04-05

  • Closed date

    2013-12-16

  • Last modified date

    2013-12-16

  • 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

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R970 PSN

       UP

  • R970 PSY

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC91377

Modified date: 16 December 2013