Brocade LUN访问问题和ISL错误

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适用场景

Brocade

问题描述

遇到LUN访问磁盘链路错误断开问题并显示ISL交换机端口错误

示例：

sfpshow <port>

RX Power:    -3.3    dBm (350 uW)
 TX Power:    -0.5    dBm (750 uW)

porterrshow

shows "link fail" and "loss sig" errors on port

errdump

ISL link and messages: BrocadeG720, Multi RDY/Frame Loss detected on Slot 0, Port m_rdy(0x1)/m_frame(0x0). Link Reset

CHASSIS | PORT, WARNING, BrocadeG720, Link Reset on Port vc_no=5 crd(s)lost=16 auto trigger

主机I/O消息：

DISK OPERATION ERROR
 LINK ERROR
 PATH HAS RECOVERED
 PATH HAS FAILED
 DISK OPERATION ERROR
 PATH HAS RECOVERED
 DISK OPERATION ERROR
 LINK ERROR
 PATH HAS FAILED