Connectrix：Cisco MDS：模块重置系统错误代码0x42b8001e致命错误。
Summary: 出现该问题时，模块重置，少数端口进入“hw_Failure”状态。应将识别的特定端口范围置于硬件故障状态，但不要重新加载整个模块。错误“F16_PLDA_RETRY_MERR”是多位 ECC 错误，无法纠正的硬件故障。
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Symptoms
特定端口范围变为“hw_Failure”状态：
`show interface brief` ----------------------------------------------------------------------------------------- Interface Vsan Admin Admin Status SFP Oper Oper Port Logical Mode Trunk Mode Speed Channel Type Mode (Gbps) ----------------------------------------------------------------------------------------- fc9/41 1400 FX off hwFailure swl -- -- -- -- fc9/42 1400 FX off hwFailure swl -- -- -- -- fc9/43 1400 FX off hwFailure swl -- -- -- -- fc9/44 1400 FX off hwFailure swl -- -- -- -- fc9/45 1 FX off hwFailure swl -- -- -- -- fc9/46 1 FX off hwFailure swl -- -- -- -- fc9/47 1400 FX off hwFailure swl -- -- -- -- fc9/48 1 E on hwFailure swl -- -- 57 --
错误代码显示在模块内部异常日志中，如下所示：
`show module internal exceptionlog module 9`
********* Exception info for module 9 ********
exception information --- exception instance 1 ----
Module Slot Number: 9
Device Id : 204
Device Name : F16 Generic Driver
Device Errorcode : 0xccc05600
Device ID : 204 (0xcc)
Device Instance : 05 (0x05)
Dev Type (HW/SW) : 06 (0x06)
ErrNum (devInfo) : 00 (0x00)
System Errorcode : 0x42b8001e fatal error
Error Type : FATAL error
PhyPortLayer : Fibre Channel
Port(s) Affected : fc9/41-48
Error Description : F16_PLDA_RETRY_MERR
DSAP : 0 (0x0)
Time : Mon Jan 6 22:22:32 2025
(Ticks: 677CAC08 jiffies)
show logging nvram 中显示模块重置：
`show logging nvram` 2025 Jan 6 22:22:32 WTXA19710H15 %MODULE-2-MOD_SOMEPORTS_FAILED: Module 9 (Serial number: JAE18280N1K) reported failure on ports fc9/41-48 (Fibre Channel) due to fatal error in device DEV_F16_CMN (device error 0xccc05600) 2025 Jan 6 22:22:33 WTXA19710H15 %CALLHOME-2-EVENT: PORT_FAILURE
`show logging log` 2025 Jan 6 22:22:32 WTXA19710H15 %MODULE-2-MOD_SOMEPORTS_FAILED: Module 9 (Serial number: JAE18280N1K) reported failure on ports fc9/41-48 (Fibre Channel) due to fatal error in device DEV_F16_CMN (device error 0xccc05600) 2025 Jan 6 22:22:32 WTXA19710H15 %PORT-CHANNEL-5-PORT_DOWN: port-channel57: fc9/48 is down 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1%$ Interface fc9/48 is down (Hardware Failure) port-channel57 ISL to WTXA19710C02 fc7/22 2025 Jan 6 22:22:33 WTXA19710H15 %CALLHOME-2-EVENT: PORT_FAILURE 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1400%$ Interface fc9/47 is down (Hardware Failure) ltx15brwccas01_h0 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1%$ Interface fc9/46 is down (Hardware Failure) 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1%$ Interface fc9/45 is down (Hardware Failure) 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1400%$ Interface fc9/44 is down (Hardware Failure) 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1400%$ Interface fc9/43 is down (Hardware Failure) 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1400%$ Interface fc9/42 is down (Hardware Failure) ltx14brwccas02_h0 2025 Jan 6 22:22:33 WTXA19710H15 %PORT-5-IF_DOWN_HW_FAILURE: %$VSAN 1400%$ Interface fc9/41 is down (Hardware Failure) ltx14brwccas01_h0
Cause
Cisco MDS 9000 系列交换机上的 DEV_F16_CMN 错误通常表示与 F16 ASIC 相关的硬件问题。此错误通常会导致模块重新启动，因为出现不可恢复的多位纠错码 （ECC） 错误。
Resolution
从hw_Failure恢复接口的唯一方法是中断性地重新加载模块。
#reload module x
如果接口处于临时硬件故障状态，则可通过模块重新加载来恢复状态。如果接口出现永久性硬件故障，则继续进行模块更换。
警告：该活动具有破坏性，应在维护窗口期间执行。
Additional Information
SR #203555104
Affected Products
Connectrix MDS-Series HardwareArticle Properties
Article Number: 000271449
Article Type: Solution
Last Modified: 03 Feb 2025
Version: 1
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