ONTAP FC 端口显示低接收功率（ Rx ）值

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Category:: fabric-interconnect-and-management-switches<a>200908494</a><a>低接收机</a>

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适用场景

ONTAP
FCP

问题描述

FC端口在ONTAP 上显示的Rx值较低

::> fcp adapter show -instance -node nodename -adapter 0a [...] Received Optical Power: 241.3 (uWatts) Is Received Power In Range: false SFP Transmitted Optical Power: 600.4 (uWatts) Is Xmit Power In Range: true DDM Status: 30 Is Xmit Disabled: false  Is Xmit In Fault: false Is Receiver In LOS: false

从 FCP-Adapter.xml ONTAP 上的日志：

在EMS日志中、我们观察 link break detected 到 link up 以下错误

Wed Apr 12 03:42:08 +0200 [nxx-0x: fct_tpd_work_thread_0: scsitarget.slifct.linkBreak:error]: Link break detected on Fibre Channel target HBA 2c with event status 1 , topology type 1, status1 0x0, status2 0x0. Wed Apr 12 03:42:09 +0200 [nxx-0x: fct_tpd_work_thread_0: scsitarget.hwpfct.linkUp:notice]: Link up on Fibre Channel target adapter 2c.

从 sfpshow Brocade 交换机的日志中：

RX Power:   -1.9   dBm (647.5uW) 
 TX Power:   -4.6   dBm (349.3 uW)