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7MTT Chain of Custody verification error: 31010 Communication problem occurred

Last Updated:

Applies to

  • 7-Mode
  • ONTAP 9
  • 7-Mode Transition Tool (7MTT) 3.4.0 or older
  • SnapLock Chain of Custody


  • 7-Mode Transition Tool (7MTT) SnapLock Chain of Custody verification phase fails with error 31010
  • The GUI will show the following error :
Failed to communicate with 7-Mode storage system '<7m_controllerr_address>'.
  • 7MTT log logs/transition.log will report the following sequence:

2021-01-23 15:11:45.436 MEZ [c.n.t.o.c.s.TransitionSnaplockCoCFileListHandler: INFO] [job-mngr-0] [operation-name: SnapLock Chain of Custody]: In populateAllFilesList:path:'/vol/.snapshot/<7mtt_snapshot>/path/to/large_directory' :skipIters:'0

2021-01-23 15:21:45.813 MEZ [c.n.t.o.c.s.TransitionSnaplockCoCFileListHandler: INFO] [job-mngr-0] [operation-name: SnapLock Chain of Custody]: Cleaning resources after file listing on coc Volume = '<7m_snaplock_volume>'

2021-01-23 15:21:45.864 MEZ [c.n.t.jobmanager.AbstractJob: ERROR] [job-mngr-0] [operation-name: SnapLock Chain of Custody]: Handling exception:
com.netapp.transition.common.credbank.exception.HostTimeoutException: Timeout occurred while communicating with 7-Mode storage system '<7m_controller_address>'.

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