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ONTAP Select自動NDUがノードMUMで一時停止

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環境

  • ONTAP Select
  •  9.16.1から9.17.1P5への自動無停止アップグレード(ANDU)

問題

  • 自動化されたONTAPアップグレード中に、以下の警告メッセージとエラーメッセージが表示され、処理が一時停止しました(EMS.log):
upgrademgr.update.pausedErr:error]: The automated update of the cluster has been paused due to the following reason:
callhome.andu.pausederr:alert]: params: {'subject': 'AUTOMATED NDU PAUSED ON NODE: MUM'}
  • 同時に、データボリュームがクリティカルな容量レベルに達しました:
monitor.volume.full:alert:Volume "volname" is full (using or reserving 99% of space).
  • 高遅延/スロットリングが観測されます:
dev.driver.throttling:notice]: mpt driver unit 3 throttling I/O requests due to long latency
intr: ems.engine.suppressed:debug]: Event 'dev.driver.throttling'.
device.latency.threshold:notice]: The device latency in microseconds exceeded the threshold value for device "xx" The threshold is "25000", execution latency is "64009"

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