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Long-running or slow NDMP backup due to unusually long dump Phase 3

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ndmp
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dp
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Applies to

  • ONTAP 9
  • NDMP

Issue

  • NDMP backups are taking longer than expected
  • When DMA logs or backup logs are reviewed, Phase 3 is seen to take several days to complete, while Phase 4 completes within a few hours
  • Increasing NDMP TCPwinsize on cluster and backup application had no effect

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