IBM Support

IT36118: RDQM queue manager failed to start due to all nodes in secondarystate

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APAR status

  • Closed as program error.

Error description

  • The drbdadm status output from each of the RDQM Nodes shows the
    following Secondary states .
    
    qmgr_name role:Secondary
      disk:Outdated
      HostNameA role:Secondary
        peer-disk:Outdated
      HostNameB role:Secondary
        peer-disk:Outdated
    

Local fix

  • Contact IBM support
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    All users of MQ RDQM feature
    
    
    Platforms affected:
    Linux on x86-64
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    A defect in DRBD caused the nodes to go into secondary state.
    The issue is a match for a known defect in the underlying DRBD
    libraries. The defect is described by the DRBD release notes as
    follows:
    
    fix resync decision to obey disk states when the generation
    UUIDs are equal; the effect of this bug was that you could end
    up with two Outdated nodes after resync.
    
    This issue has been fixed in DRBD 9.0.28
    

Problem conclusion

  • MQ code has been modified to update the DRBD version to 9.0.28.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v9.2 LTS   9.2.0.2
    v9.x CD    9.2.2
    
    The latest available maintenance can be obtained from
    'WebSphere MQ Recommended Fixes'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
    
    If the maintenance level is not yet available information on
    its planned availability can be found in 'WebSphere MQ
    Planned Maintenance Release Dates'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT36118

  • Reported component name

    MQ BASE V9.2

  • Reported component ID

    5724H7281

  • Reported release

    920

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-03-05

  • Closed date

    2021-03-30

  • Last modified date

    2021-07-07

  • 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

    MQ BASE V9.2

  • Fixed component ID

    5724H7281

Applicable component levels

[{"Type":"MASTER","Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

Document Information

Modified date:
08 July 2021