7MTT の CoC 検証エラー： 31010 Communication problem occurred

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Category:: 7-mode-transition-tool<a>2008604897</a>

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環境

7-Mode
ONTAP 9
7-Mode Transition Tool （ 7MTT ） 3.4.0 以降
SnapLock の管理チェーン

問題

7-Mode Transition Tool （ 7MTT ）の SnapLock CoC 検証フェーズが失敗してエラー 31010 が表示されます
GUI に次のエラーが表示されます。

Failed to communicate with 7-Mode storage system '<7m_controllerr_address>'.

7MTT ログ logs/transition.log 次の順序が報告されます。

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>'.