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LACP 重新配置后的 NFS 写入延迟

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Category:
ontap-9
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nas
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适用于

  • ONTAP 9
  • NFS
  • LACP

问题

  • LACP(链路聚合控制协议)从单模式重新配置为多模式后,写入延迟增加
  • 延迟峰值高达 10ms,主要影响 NFS 工作负载
  • QoS 统计数据和性能指标显示 N-blade(协议处理)层存在延迟
  • NFS 客户端(ESXi 主机)超过每个 TCP 连接 128 个插槽的限制,触发 ONTAP NAS 流量控制,暂停客户端操作,直到资源释放
  • EMS 日志显示重复出现 'nblade_execsOverLimit_1' 事件:
Tue Sep 01 00:19:56+0300 [cluster_A-01:kernel:nblade_execsOverLimit_1:notice]: params:{'clientIpAddress':'x.x.x.x','clientPort':'xxx','lifIpAddress':'x.x.x.x','vserverId':'1','execsLimit':'128'}

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