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Intermittent Node Network Connectivity Error and Storage appliance link down on network alert on one or more storage nodes

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Applies to

NetApp StorageGRID Appliances

Issue

  • Intermittent 'Node Network Connectivity Error' & 'Storage appliance link down on network' on one or more storage nodes that self-resolves and resurfaces.

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  • Receive errors reported on one HIC from switch to compute node 
    • Example from GRID logs net/devices/hicX
      •  rx_crc_errors_phy: 270609106
    • ethtool -S hicX | grep _err reports error statistics, for example rx_crc_errors:
      •  rx_crc_errors: 102638016

 

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