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InterconnectAdapterOfflineAlert in Fabric MetroCluster

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75
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Category:
ontap-9
Specialty:
metrocluster
Last Updated:

Applies to

  • ONTAP 9
  • FAS/AFF Systems
  • Fabric Attached MetroCluster

Issue

  • The following alert is observed in the event logs:

[Node-01: nchmd: hm.alert.raised:alert]: Alert Id = InterconnectAdapterOfflineAlert , Alerting Resource = 2100fXXXXXXXXX777 raised by monitor node-connect

  • The FCVI port status shows down:

slot 1: FCVI Host Adapter 1b (QLogic 8324(2672) rev. 2, unknown)
             Physical link:       DOWN
             FC Node Name:        21:00:f4:e9:d4:eb:b7:77
             Firmware rev:        8.01.141
             Serial No:           UFE12345678
             Host Port Id:        0xffffffff
             FC Packet size:      2048
             Reading SFP information failed

  • The port may report CRC errors from the switch logs;

porterrshow:
    frames       enc  crc  crc     too  too  bad    enc   disc  link   loss   loss   frjt   fbsy  c3timeout  pcs  uncor
    tx     rx    in   err  g_eof  shrt  long  eof   out   c3    fail    sync   sig                  tx    rx  err    err
3: 427.7k 333.2k  0  5.1k   5.1k   0      0   82     0    893      4      1      1      0      0    889  0      0     0 

  • The switch end SFP reports low receive power:

Switch> sfpshow 3

Port 3:
Identifier: 3 SFP
Connector: 7 LC
Transceiver: 7004404000000000 4,8,16_Gbps M5 sw Short_dist
Vendor Name: BROCADE
Temperature: 40 Centigrade
Current: 8.220 mAmps
Voltage: 3340.3 mVolts
RX Power: -15.7 dBm (26.8 uW) ---> low receive end power detected
TX Power: -2.6 dBm (546.0 uW)

 

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