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NDMP performance slow after ONTAP upgrade

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ontap-9
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dp
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Applies to

  • ONTAP 9
  • NDMP
  • Interface group (ifgrp)
  • Networking

Issue

  • After an ONTAP upgrade, NDMP backup is slow from one node, moving the volume to another node shows normal backup speeds.
  • TCPDumps shows no issues with the network
  • Found some errors in the ifgrp ports
  • When performing an admin state down on one of the ports, backup speeds are back to normal

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