由于Brocade交换机重新启动、多个FC目标适配器上的链路中断

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适用场景

ONTAP 9
Brocade FC 交换机

问题描述

在多个节点的FC适配器上的EMS日志中发现链路中断：

Tue Feb 13 01:11:22 +0000 [node1: fct_tpd_work_thread_0: scsitarget.slifct.linkBreak:error]: Link break detected on Fibre Channel target HBA 1c with event status 1 , topology type 1, status1 0x0, status2 0x0.

Tue Feb 13 01:11:23 +0000 [node2: fct_tpd_work_thread_0: scsitarget.slifct.linkBreak:error]: Link break detected on Fibre Channel target HBA 1c with event status 1 , topology type 1, status1 0x0, status2 0x0.

SYSCONFIG-A 的节点显示受影响的适配器已连接到同一交换机。例如，两个都连接到 switch2：

slot 1: Fibre Channel Target Host Adapter 1c

Switch Port: switch2:68

slot 1: Fibre Channel Target Host Adapter 1c

Switch Port: switch2:69

Brocade交换机 errdump -aKernel Panic 在链路中断时报告重新启动：

2024/02/13-01:32:26, [HAM-1004], 6610602, CHASSIS, INFO, BrocadeG630, Processor rebooted - Software Fault:Kernel Panic.

交换机核心文件包含 Oops：

Oops taken on: 2024-02-13 at 01:31:29:458270

Oops: Machine check, sig: 7 [#1]

errdumpall 显示：

2024/02/13-01:32:26:106787, [PLAT-8054], 6628542/0, CHASSIS, INFO, BrocadeG630, Enable PCIe event IRQs 1, syspcie.c, line: 879, comp:rc, ltime:2024/02/13-01:32:22:249888

2024/02/13-01:32:26:106816, [HAM-1004], 6628543/6610602, CHASSIS, INFO, BrocadeG630, Processor rebooted - Software Fault:Kernel Panic., reboot.c, line: 117, comp:hamd, ltime:2024/02/13-01:32:23:265990

2024/02/13-01:32:26:106835, [IPC-5023], 6628544/0, CHASSIS, WARNING, BrocadeG630, HAM_PEER:1745 attempts to send message type(24) to invalid dest(EMIPC:0/0), comm.c, line: 474, comp:hamd, ltime:2024/02/13-01:32:24:280505