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StorageGRID Appliance one or more HIC ports down when using LACP

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Applies to

NetApp StorgaeGRID Appliances using LACP

Issue

  • One or multiple HIC ports stop working or are down on nodes with LACP bonding enabled.
  • Partner state also reports being churned: cat /proc/net/bonding/bond0
Slave Interface: hic4
MII Status: down
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 1
Permanent HW addr: 00:aa:aa:aa:aa:aa
Slave queue ID: 0
Aggregator ID: 1
Actor Churn State: none
Partner Churn State: churned
  • We can also check syslog/kern.log in the BaseOS if the port is churned to see why it went to that state.

  • The following output can be found in a StorageGRID, lumberjack, log from the node. 

    • cat /proc/net/bonding/bond0
    • ethtool -S <hicx>
    • ethtool -m <hicx>
    • ip -br link show
  • StorageGRID may report alert:
Appliance LACP port missing

A port on a StorageGRID appliance is not participating in the LACP bond.
Critical
Bond interface bond0

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