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IT25981: DEADLOCK CONDITION CAUSES VIRGO PROCESS TO STOP IN IBM SPECTRUM PROTECT PLUS

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APAR status

  • Closed as program error.

Error description

  • A deadlock condition can cause Virgo to stop. Due to this all
    scheduled SLA's do not
    start. Restores are unable to be done.
    The Virgo log will show:
    INFO deadlock-monitor-thread-1
    org.eclipse.virgo.medic.eventlog.default ME0003I Dump
    'serviceability/dump/XXX-XX-XX-XX-XX-XXX' generated
    ERROR deadlock-monitor-thread-1
    org.eclipse.virgo.medic.eventlog.default CC0000E Deadlock
    detected. Generating dump.
    WARN deadlock-monitor-thread-1
    org.eclipse.virgo.medic.eventlog.default ME0002W Dump
    contributor 'heap' failed during contribution to dump
    '1531771503516'
    org.eclipse.virgo.medic.dump.DumpContributionFailedException:
    Failed to generate heap dump contribution
    at
    org.eclipse.virgo.medic.dump.impl.heap.HeapDumpContributor.contr
    ibute(HeapDumpContributor.java:90)
    at
    org.eclipse.virgo.medic.dump.impl.StandardDumpGenerator.generate
    Dump(StandardDumpGenerator.java:67)
    at
    org.eclipse.virgo.medic.dump.impl.StandardDumpGenerator.generate
    Dump(StandardDumpGenerator.java:54)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
    Impl.java:57)
    at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod
    AccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at
    org.springframework.aop.support.AopUtils.invokeJoinpointUsingRef
    lection(AopUtils.java:318)
    at
    org.eclipse.gemini.blueprint.service.importer.support.internal.a
    op.ServiceInvoker.doInvoke(ServiceInvoker.java:56)
    at
    org.eclipse.gemini.blueprint.service.importer.support.internal.a
    op.ServiceInvoker.invoke(ServiceInvoker.java:60)
    at
    org.springframework.aop.framework.ReflectiveMethodInvocation.pro
    ceed(ReflectiveMethodInvocation.java:172)
    at
    org.springframework.aop.support.DelegatingIntroductionIntercepto
    r.doProceed(DelegatingIntroductionInterceptor.java:131)
    Initial impact: High
    Versions affected: 10.1.1
    Keywords: TS001151981 rabbitmq abend
    

Local fix

  • SSH to the Plus server. Restart Virgo using the following
    command:
    systemctl start virgo
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * IBM Spectrum Protect Plus levels 10.1.1.*                    *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * This is projected to be resolved in 10.1.2                   *
    * Note that this is subject to change at the discretion of IBM *
    ****************************************************************
    

Problem conclusion

  • IBM Spectrum Protect Plus has been improved in the  way it
    handles relationships between an SLA and the resources the SLA
    protects. Adding and removing resources such as VMs to and from
    SLAs contribute to conditions reflected in the
    Virgo log:
     2018-07-16 15:05:03.514  INFO deadlock-monitor-thread-1
    org.eclipse.virgo.medic.eventlog.default ME0003I Dump
    'serviceability/dump/2018-07-16-15-04-825' generated
    
     2018-07-16 15:05:03.516  ERROR deadlock-monitor-thread-1
    org.eclipse.virgo.medic.eventlog.default
    CC0000E Deadlock detected. Generating dump.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT25981

  • Reported component name

    SP PLUS

  • Reported component ID

    5737SPLUS

  • Reported release

    A11

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-08-15

  • Closed date

    2018-09-20

  • Last modified date

    2018-09-20

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

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

Modules/Macros

  •    HYPER
    

Fix information

  • Fixed component name

    SP PLUS

  • Fixed component ID

    5737SPLUS

Applicable component levels

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSNQFQ","label":"IBM Spectrum Protect Plus"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A11","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
30 January 2024