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ONTAP Select ノードクラッシュ、diskown.errorDuringIO: error 25

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環境

  • NetApp ONTAP Select （OTS）
  • HAクラスタ

問題

  • ONTAP Select ノードが次のエラーでリブートしています: diskown.errorDuringIO: error 25 および MULTIPLE DISK MISSING
  • EMS.logノードがクラッシュする前、レイテンシがどんどん増加し、最終的にノードがインターコネクトタイムアウトとなり、リブートしました。

[node: intr: dev.driver.throttling:notice]: mpt driver unit 3 throttling I/O requests due to long latency.
[node: kernel:device.latency.threshold:notice]: The device latency in microseconds exceeded the threshold value for device "da0" and the associated target device"n/a". The threshold is "25000", execution latency is"91298", total latency is "91313", and the number ofoperations for this period is "86".

[node: wafl_exempt03:vnvram.dma.long.wait:alert]: vNVRAM flush taking over 10 seconds.

[node: wafl_exempt01: cf.ic.xferTimedOutVSA:notice]: HA interconnect: wafl transfer timed out.

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