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Intermittently memoryUsageThreshold errors

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Applies to

  • NetApp SolidFire Storage Nodes
  • NetApp H Series Storage Nodes

Issue

During a planned network maintenance outage, the following error may appear in the NetApp SolidFire Cluster GUI Event and Active IQ Error logs on one or multiple nodes

  • Type: node
  • Error Code: memoryUsageThreshold
  • Details: System memory is very low. Adding additional nodes or manually purging deleted volumes may help reduce memory usage.

The Active IQ Event log may show the following:

  • Type: clusterMasterEvent
  • Message: Cluster Master was unable to restart the API Server.
  • Details: { "currentStack": "", "exceptionCode": "xDBSessionExpired", "streamDetails": 1, "throwFile": "ms/ClusterMaster.cpp", "throwFunction": "void solidfire::ClusterMaster::OnAPIVersionChanged(solidfire::DBWatchType)", "throwLine": 2051, "whatString": "Assertion Failed: [!(wtype == DBWatchType::SessionExpired)] at: ms/ClusterMaster.cpp:2051 void solidfire::ClusterMaster::OnAPIVersionChanged(solidfire::DBWatchType)" }

 

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