由于端口以不同速度运行、Brocade F端口上报告了延迟事件

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Category:: fabric-interconnect-and-management-switches

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适用场景

Brocade交换机

问题描述

errdump 下 F 端口上报告的 IO_PERF_IMPACT 和 IO_LATENCY_CLEAR 事件如下所示：

2022/01/20-20:49:37, [MAPS-1002], 100580, SLOT 1 | FID 128, ERROR, BROCADE, BROCADE_21.E_PORT.192., F-Port 8/0, Condition=ALL_PORTS(DEV_LATENCY_IMPACT==IO_PERF_IMPACT), Current Value:[DEV_LATENCY_IMPACT, IO_PERF_IMPACT, (10 ms Frame Delay) ], RuleName=ALL_PORTS_IO_PERF_IMPACT_UNQUAR, Dashboard Category=Fabric Performance Impact. 2022/01/20-20:50:37, [MAPS-1002], 100581, SLOT 1 | FID 128, ERROR, BROCADE_21, BROCADE_21.E_PORT.192., F-Port 8/0, Condition=ALL_PORTS(DEV_LATENCY_IMPACT==IO_LATENCY_CLEAR), Current Value:[DEV_LATENCY_IMPACT, IO_LATENCY_CLEAR], RuleName=ALL_PORTS_IO_LATENCY_CLEAR, Dashboard Category=Fabric Performance Impact.

在应用程序端观察到速度缓慢的问题。
同一交换机上配置了混合NPIV（虚拟）设备，这些设备的速度分别为32G、16G和8G。
因此，当其中一个或所有这些设备通过该结构发送或接收帧时，交换机的速度和性能不可避免地会出现差异。

switchshow 输出：

switchName: Brocade switchType: 180.0

14 3 14 670e00 id N32 Online FC F-Port 1 N Port + 1 NPIV public (AoQ) 15 3 15 670f00 id N32 Online FC F-Port 1 N Port + 3 NPIV public (AoQ) 16 3 16 671000 id N32 Online FC F-Port 1 N Port + 3 NPIV public (AoQ) 17 3 17 671100 id N32 Online FC F-Port 1 N Port + 2 NPIV public 18 3 18 671200 id N32 Online FC F-Port 10:00:00:10:9b:e0:20:00 19 3 19 671300 id N32 Online FC F-Port 1 N Port + 2 NPIV public 20 3 20 671400 id N16 Online FC F-Port 1 N Port + 2 NPIV public 21 3 21 671500 id N16 Online FC F-Port 1 N Port + 3 NPIV public 22 3 22 671600 id N16 Online FC F-Port 1 N Port + 3 NPIV public 23 3 23 671700 id N16 Online FC F-Port 1 N Port + 3 NPIV public 24 3 24 671800 id N32 Online FC F-Port 1 N Port + 4 NPIV public (AoQ) 25 3 25 671900 id N32 Online FC F-Port 1 N Port + 1 NPIV public (AoQ) 26 3 26 671a00 id N8 Online FC F-Port 1 N Port + 2 NPIV public 27 3 27 671b00 id N8 Online FC F-Port 1 N Port + 3 NPIV public