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Snapmirror causes high CPU utilization

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Applies to

  • ONTAP 9
  • SnapMirror

Issue

  • Monitoring systems trigger alerts for high CPU on one or more storage nodes

Example: 

    • Unified manager: Node Utilization Warning Threshold Breached,Node Utilization Warning Threshold Breached it is currently now 100%  message during SnapMirror replication.
    • Logic Monitor: NetApp Node ClusterA-01 is reporting high CPU utilization of 99.4376 %, placing the node into critical state.
  • High CPU utilization observed with no front-end workload
  • The following alert raises：

CPU Usage (USE over 95%) NG <DC=[DC name] HOST=[HOST name] IPADDRESS=[192.168.0.10] TAG_Resource=[Resource ID] xSLAkey=[MyPocket_ServerResourceCPUUsageU]>

[POLLING DATE: 2026/05/05 18:00:04 VALUE: 95]

 

 

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