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High NVRAM transfer latency on MetroCluster IP

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • MetroCluster IP
  • AFF A220, AFF A250
  • Remote direct memory access (RDMA)
  • Internet Wide Area RDMA Protocol (iWARP)

Issue

  • High NVRAM transfer latency on AFF A220 and AFF A250 nodes configured as MetroCluster IP
  • Data analysis shows high iWARP latency
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