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Trident responds slowly in ONTAP operations seeing TLS Handshake issues on ONTAP

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trident-kubernetes
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snapx
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Applies to

  • Any Trident version
  • ONTAP Cluster with ONTAP S3 Storage enabled

Issue

  • Trident logs, when using the backend with debug logging, will show connection errors trying to access the SVM to manage PVs, and without debugging can show on PV (ONTAP Volume/LUN) creation:

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"

  • ONTAP side is seen:

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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