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Cluster Interconnect delay due to data LIFs not local to node owning disks

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

ONTAP 9

Issue

  • High indirect indirect traffic being reported on cluster causes high latency on Cluster column of qos statistics volume latency show
  • High cluster CPU may be seen
 
cluster1::> qos statistics volume latency show -iterations 100
Workload        ID      Latency  Network  Cluster   Data     Disk     QoS       NVRAM      Cloud
--------------- ------ -------- -------- -------- -------- -------- -------- ---------- ----------
-total-                  110.35ms   0ms   110.02ms 327.00us   0ms    0ms     0ms         0ms
vs1vol0         111      167.82ms   0ms   167.22ms 603.00us   0ms    0ms     0ms         0ms
vol1            1234     117.76ms   0ms   117.56ms 191.00us   0ms    0ms     0ms         0ms

 

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