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ONTAPでTLSハンドシェイクの問題が発生しているため、ONTAPの処理でTridentの応答が遅くなる

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Category:
trident-kubernetes
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snapx
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環境

  • 任意のTridentバージョン
  • ONTAP S3ストレージが有効なONTAPクラスタ

問題

バックエンドをデバッグログとともに使用する場合、Tridentのログには、SVMにアクセスしてPVを管理しようとする接続エラーが表示され、デバッグを行わないと次のように表示されることがあります。

error saving volume publication record" error="client rate limiter Wait returned an error: context deadline exceeded" logLayer=core requestID=REQUEST_UID requestSource=CSI workflow="controller=publish"

PV(ONTAPボリューム/ LUN)の作成時。

ONTAP側が表示されます。

NOTICE ktls.cnxnHandshakeLimit: ONTAP reached the maximum limit of 130 concurrent TLS connection handshakes. If this limit is reached, subsequent TLS connections will fail.

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