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Can we use a DNS round-robin FQDN to distribute load across multiple nodes and register the FQDN as a LIF to scan each node?

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ontap-9
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nas
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Applies to

  • NetApp ONTAP
  • NetApp AV Connector
  • DNS round-robin configuration
  • Fully Qualified Domain Name (FQDN)

Answer

  • No, using a FQDN with DNS round-robin to distribute load across multiple nodes may not evenly distribute scanning tasks when registered as a Logical Interface (LIF) in AV Connector.
  • Typically, the DNS resolution will return one of the IP addresses, usually the first one, which will be used for scanning.
  • This means that the load might not be evenly distributed across all nodes, leading to the possibility of one node being accessed more frequently than others.
  • To ensure that all nodes are scanned evenly, it is recommended to register each node as an individual LIF within the AV Connector.
  • This approach allows for more effective and balanced distribution of scanning tasks across all nodes.

Additional Information

DNS issue causing Vscan server disconnection on all nodes with no disconnect reason

 

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