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Monitoring system is triggering alert for a CVO volume crossing the threshold limits

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Category:
cloud-volumes-ontap-cvo
Specialty:
perf
Last Updated:

Applies to

  • Cloud Volumes Ontap for AWS
  • Amazon S3 as a object store
  • FabricPool

Issue

  • Customer received the below alert from their internal monitoring system:

The NetApp CLUSTER1, volume vol01/svm01 CLUSTER-01/Aggregate01, has a latency of 62.5526 ms for read requests, putting it in a state of error.

Thresholds are > 30 40.

  • QOS statistics volume latency show output against the volume is showing latency coming from Cloud

Example:

    clus-1::> qos statistics volume latency show               
    Policy Group            Latency    Network    Cluster       Data       Disk        QoS      NVRAM      Cloud
    -------------------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
    -total-                 95.92ms   199.00us        0ms   679.00us   799.00us        0ms        0ms    94.24ms
    policy1                 95.92ms   199.00us        0ms   679.00us   799.00us        0ms        0ms    94.24ms
    -total-                 82.95ms   218.00us        0ms   676.00us    60.00us        0ms        0ms    82.00ms
    policy1                 82.95ms   218.00us        0ms   676.00us    60.00us        0ms        0ms    82.00ms
    -total-                 60.21ms   212.00us        0ms   498.00us   193.00us        0ms        0ms    59.31ms
    policy1                 60.21ms   212.00us        0ms   498.00us   193.00us        0ms        0ms    59.31ms

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