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Unified Manager fails to discover a cluster with IOM12 disk shelf

Last Updated:

Applies to

  • OnCommand Unified Manager (UM) 9.x
  • Active IQ Unified Manager (AIQUM) 9.x
  • Cluster having a disk shelf with IOM12 module in inter-shelf connection (e.g. A diskshelf topology like Node -> IOM6 -> IOM12)
  • All shelf cables have unique serial numbers and the following issue cannot be applied

OnCommand Unified Manager is unable to complete discovery of a cluster due to duplicate serial numbers on shelf cables


  • Unified Manager fails to discover a cluster having an IOM12 disk shelf.
  • ocumserver.log shows errors like the following example.


2020-11-17 14:00:56,059 ERROR [oncommand] [reconcile-2] [XX.XXX.XX.XXX(baseline@14:00:50.716)] [c.n.dfm.collector.OcieJmsListener] Inventory change listener error
org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 3; nested exception is org.hibernate.NonUniqueResultException: query did not return a unique result: 3
    at deployment.dfm-app.war//org.springframework.orm.hibernate5.SessionFactoryUtils.convertHibernateAccessException(
    at deployment.dfm-app.war//org.springframework.orm.hibernate5.HibernateExceptionTranslator.convertHibernateAccessException(
    at deployment.dfm-app.war//org.springframework.orm.hibernate5.HibernateExceptionTranslator.translateExceptionIfPossible(
    at deployment.dfm-app.war//
    at deployment.dfm-app.war//
    at deployment.dfm-app.war//
    at deployment.dfm-app.war//org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(
    at deployment.dfm-app.war//org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(
    at deployment.dfm-app.war//org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(
    at deployment.dfm-app.war//org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(
    at deployment.dfm-app.war//com.netapp.dfm.entity.inventory.ontap.fas.StorageShelfCableEntityManager$$EnhancerBySpringCGLIB$$8f97c1bc.findPeerStorageShelfCable(<generated>)
    at deployment.dfm-app.war//com.netapp.dfm.entity.platform.storageshelftopology.StorageShelfCableTopologyAnalyzer.createStorageCablesDiskShelfPath(
    at deployment.dfm-app.war//com.netapp.dfm.entity.platform.storageshelftopology.StorageShelfCableTopologyAnalyzer.createStorageCableConnectionPath(


2020-11-17 14:00:56,061 ERROR [oncommand] [reconcile-2] [[XX.XXX.XX.XXX(baseline@14:00:50.716)] [c.n.dfm.collector.OcieJmsListener] Inventory change listener error
org.springframework.transaction.UnexpectedRollbackException: JTA transaction unexpectedly rolled back (maybe due to a timeout); nested exception is javax.transaction.RollbackException: ARJUNA016053: Could not commit transaction.
    at deployment.dfm-app.war//org.springframework.transaction.jta.JtaTransactionManager.doCommit(
    at deployment.dfm-app.war//
    at deployment.dfm-app.war//
    at deployment.dfm-app.war//
    at deployment.dfm-app.war//com.netapp.dfm.persist.util.TransactionCallbacks$RetryableTask.executeTransaction(
    at deployment.dfm-app.war//com.netapp.dfm.persist.util.TransactionCallbacks$


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