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iSCSI SAN環境でのネットワーク遅延が大きい

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環境

  • NetApp FAS / AFF システム
  • iSCSI プロトコル

問題

例:

qos statistics volume latency show Network に、3つのSANワークロードの列のレイテンシが高くなっています

cluster::> qos statistics volume latency show -node san_node1
Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud ----------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- volume_SAN1 17882 20.51ms 20.51ms 0ms 0ms 0ms 0ms 0ms 0ms volume_SAN2 5232 15.00ms 15.00ms 0ms 0ms 0ms 0ms 0ms 0ms volume_SAN3 17160 16.00ms 16.00ms 0ms 0ms 0ms 0ms 0ms 0ms

 

 

 

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